Results of Streamflow Gain-Loss Studies in Texas, with Emphasis on Gains from and Losses to Major and Minor Aquifers

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In cooperation with the Texas Water Development Board

Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers

Open-File Report 02–068

U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior U.S. Geological Survey

Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers

By Raymond M. Slade, Jr., J. Taylor Bentley, and Dana Michaud

U.S. GEOLOGICAL SURVEY Open-File Report 02–068

In cooperation with the Texas Water Development Board

Austin, Texas 2002 U.S. DEPARTMENT OF THE INTERIOR Gale A. Norton, Secretary

U.S. GEOLOGICAL SURVEY Charles G. Groat, Director

Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

For additional information write to

District Chief U.S. Geological Survey 8027 Exchange Dr. Austin, TX 78754–4733 E-mail: [email protected]

Copies of this report can be purchased from

U.S. Geological Survey Branch of Information Services Box 25286 Denver, CO 80225–0286 E-mail: [email protected] ii CONTENTS

Abstract ...... 1 Introduction ...... 1 Purpose and Scope ...... 1 Ancillary Benefits ...... 2 Method of Gain-Loss Studies ...... 2 Results ...... 2 Studies in All Reaches ...... 2 Studies in Reaches Intersecting Aquifer Outcrops ...... 3 Additional Information and Qualifications ...... 3 Selected References ...... 4

PLATES

1–2. Maps showing: 1. Locations of streamflow gain-loss sites and outcrops of major aquifers in Texas 2. Locations of streamflow gain-loss sites and outcrops of minor aquifers in Texas

TABLES

[at end of report]

1. Characteristics of flow gain-loss studies in Texas ...... 5 2. Inventory of daily mean streamflows for active and discontinued streamflow-gaging stations in Texas ...... 23 3. Median streamflow and associated hydraulic characteristics for streamflow-gaging stations in Texas ...... 45 4. Gains and losses from gain-loss studies in Texas ...... 55

CONTENTS iii Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers

By Raymond M. Slade, Jr., J. Taylor Bentley, and Dana Michaud

Abstract streamflow gains and losses from all available records of gain-loss studies done by the USGS in Texas. Data for all 366 known streamflow gain-loss Since 1918, the USGS has conducted streamflow studies conducted by the U.S. Geological Survey in gain-loss studies on streams throughout much of Texas. Texas were aggregated. A water-budget equation The usual objective of the gain-loss studies was to that includes discharges for main channels, tribu- obtain data that could be used to estimate discharge taries, return flows, and withdrawals was used to from or recharge to shallow aquifers. Most gain-loss document the channel gain or loss for each of 2,872 studies were done during low-flow conditions because subreaches for the studies. The channel gain or loss low flows are more likely to be steady (not changing with time) than other flows (except in reaches down- represents discharge from or recharge to aquifers stream from major springs or reaches downstream from crossed by the streams. Where applicable, the reservoirs where sustained releases account for most of major or minor aquifer outcrop traversed by each the flow). subreach was identified, as was the length and loca- In 1958, the data for all known streamflow gain- tion for each subreach. These data will be used to loss studies were compiled and published in a report by estimate recharge or discharge for major and minor the Texas Board of Water Engineers (currently the aquifers in Texas, as needed by the Ground-Water TWDB) and the USGS (Texas Board of Water Engi- Availability Modeling Program being conducted neers, 1960). The data for most of the studies done since by the Texas Water Development Board. The data 1958 have been published in annual data reports and also can be used, along with current flow rates for other reports by the USGS. This study carries the docu- streamflow-gaging stations, to estimate streamflow mentation of gain-loss studies a step farther: The gains at sites remote from gaging stations, including sites and losses in stream subreaches (channel segments where streamflow availability is needed for permit- between flow-measuring sites in a reach) were related to ted withdrawals. major and minor aquifer outcrops in digital and geo- graphic information system (GIS) databases.

INTRODUCTION Purpose and Scope

As part of the Ground-Water Availability Model- The purpose of this report is to summarize the ing (GAM) Program currently (2001) being conducted results of 366 gain-loss studies involving 249 unique by the Texas Water Development Board (TWDB), data reaches of streams throughout Texas since 1918. The are needed to quantify the interaction of surface water locations of subreaches for which gains and losses were and ground water for the nine major aquifers (Ashworth computed are indicated by streamflow-measurement and Hopkins, 1995) and most of the 20 minor aquifers sites on maps of major and minor aquifer outcrops. The in Texas. Where streams flow across aquifer outcrops, gain-loss studies are tabulated by sequential number, channel gains and losses constitute aquifer discharge major river basin, stream name, and reach identification, and recharge, respectively. To make this aquifer dis- and the total gain or loss for each reach is given. The charge and recharge information available for the GAM gains and losses for each subreach are tabulated by Program, the U.S. Geological Survey (USGS), in coop- sequential number for the gain-loss study and located eration with the TWDB, compiled data and computed by latitude and longitude of the upstream end of the

Abstract 1 subreach. Where applicable, the major or minor aquifer upstream from its mouth. The channel gain or channel outcrop traversed by a subreach is identified. loss can be computed for the subreach between each main-channel measurement site by equating inflows to Ancillary Benefits outflows plus flow gain or loss in the subreach:

The compilation of streamflow gain-loss data Qu + Qt + Qr = Qd + Qw + Qe + Qg,(1) could be beneficial to the Water Uses and Availability Section of the Water Resources Management Division where of the Texas Natural Resource Conservation Commis- Qu = streamflow in at upstream end of subreach; sion (TNRCC). That section is responsible for permit- Qt = streamflow from tributaries into subreach; ting surface-water withdrawals in Texas. Most of the Qr = return flows to subreach; recently issued permits represent contingency permits, Qd = streamflow out at downstream end of sub- which authorize surface-water withdrawals only when reach; the streamflow exceeds a threshold rate. The threshold Qw = withdrawals from subreach; streamflow rate for each contingency permit generally Qe = evapotranspiration from subreach; and represents the total discharge needed to sustain permit- Qg = gain (positive) or loss (negative) in subreach. ted withdrawals downstream from the withdrawal point Thus, for the contingency permit plus any streamflow required as inflow to receiving bays or estuaries. Contingency Qg = Qu + Qt + Qr – Qd – Qw – Qe.(2) permits are used to protect the existing water rights of For most streams, underflow (flow parallel to stream users downstream from newer users. through shallow channel-bed deposits) and bank stor- The TNRCC and others associated with surface- age are considered negligible or minimal. water usage often use USGS current streamflow data Many of the studies were done during winter to available on the World Wide Web to verify existing minimize evapotranspiration. Also, the short length of streamflow conditions pertinent to contingency permits. most subreaches and minimal width of the streams However, there are only about 350 existing streamflow- during low-flow conditions would allow only minimal gaging stations, and the location of withdrawal points evapotranspiration losses. Therefore, Qe is assumed to for contingency permits often are many miles from the be zero in the computations for this report. In each gain- nearest streamflow-gaging station. Stream-channel gain loss study, attempts were made to identify and measure and loss data can be used, along with the current stream- the discharge for all flowing tributaries, return flows, flow rates for gaging stations, to estimate the current and withdrawals. If these discharges could not be mea- streamflow for sites remote from the gaging stations, sured, attempts were made to obtain the discharges from including sites that represent surface-water withdrawals other sources such as the TNRCC. However, the USGS for contingency permits. cannot verify that all inflow or outflow sources for the Reservoir owners also could benefit from the reaches were accounted for. compilation of streamflow gain-loss data. Many reservoir owners are required to release sufficient water to RESULTS sustain the permitted withdrawal rate for downstream water rights. The permitted users are guaranteed a spe- Studies in All Reaches cific withdrawal rate. The gains and losses of channel Three-hundred sixty-six streamflow gain-loss flow can be used by reservoir owners to help determine studies in 249 unique reaches were identified and reservoir release rates needed to sustain permitted included in this investigation. More than one study has downstream withdrawal rates. been done at many of the reaches. The locations of Method of Gain-Loss Studies streamflow-measurement sites for the studies are shown on plate 1. The studies included about 4,941 measure- The usual method of gain-loss studies is to iden- ments of which 3,238 were made at sites on the main tify a stream reach and obtain streamflow measurements channels of the study reaches; the remaining measure- along the main channel of the reach. The location of ments were made on tributaries to the main channels or each main-channel measurement site is referenced and represent withdrawals. A tabular summary of the flow- documented as a distance on the stream channel, usually loss studies (table 1) includes for each study the major

2 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers river basin, stream name, study reach identification, Seymour aquifer (see table below); however, gain-loss date of study, reach length (in river miles), total number studies have been done for many of the major streams of measurement sites, number of sites on the main chan- that intersect the other six major aquifer outcrops. nel, major aquifer outcrop(s) intersected by the reach, total streamflow gain or loss in the reach, streamflow Numbers of gain-loss studies associated with the nine gain or loss per mile of reach length, and reference for major aquifer outcrops in Texas the data. The reaches for many studies are identified in Major aquifer outcrop Number of gain-loss studies table 1 by eight-digit numbers for streamflow-gaging stations. Station numbers and associated station names Carrizo-Wilcox 47 for Texas streamflow-gaging stations with daily stream- Cenozoic Pecos Alluvium 53 flow data are listed in table 2. Table 3 presents selected streamflow characteris- Edwards (Balcones fault zone) 126 tics for all streamflow-gaging stations with computer- Edwards-Trinity (Plateau) 82 stored discharge measurements and daily mean streamflows in Texas (346 sites). These data include the station Gulf Coast 28 number and name, latitude and longitude, contributing Hueco-Mesilla Bolson 6 drainage area, and the following data pertinent to median flow conditions: the streamflow, gage height, Ogallala 5 stream width, stream cross-sectional area, mean veloc- Seymour 0 ity, and mean stream depth. Also presented is the elevation of the datum of the gage, which can be added to the Trinity 92 gage height to obtain the water-surface elevation above sea level for the median streamflow. The streamflow at the gaging station during a gain-loss study can be com- Plate 2 shows the locations of gain-loss studies in pared to the median streamflow to assess the flow con- reaches that intersect outcrops of minor aquifers in ditions during the study. Texas. Not surprisingly, fewer studies involved reaches Equation 2 was used to compute the streamflow intersecting minor aquifer outcrops because the areal gain or loss for each subreach. The data and information extent of minor aquifer outcrops is appreciably less than for the gains or losses in each of 2,872 subreaches that of major aquifers. (table 4) include the latitude and longitude at the upstream end of the subreach, the underlying major or Additional Information and Qualifications minor aquifer outcrop, the streamflow gain or loss, the stream subreach length, the location (river mile) of the Streamflow studies were conducted more than upstream end of the subreach, and a descriptive location once for many of the reaches. For most reaches with for selected upstream ends. multiple studies, the gains or losses differ between the The data for most of the studies have been pub- studies. Much of the difference in gains or losses prob- lished. The references (table 1) can be consulted for ably is caused by varying water levels in aquifers adja- additional information about a study. Detailed descrip- cent to the reaches. For example, periods of high tions for most of the measuring-site locations are in the recharge preceding a study could result in large flow referenced reports. gains, and "dry" conditions preceding a study could result in smaller gains or result in losses. Also, varying Studies in Reaches Intersecting Aquifer bank storage could cause differences in gains or losses. Outcrops As previously stated, the studies summarized in this report considered bank storage to be minimal or negli- Most of the gain-loss studies involved reaches gible. However, bank storage could represent a substan- that intersect at least one major aquifer outcrop, and tial source of inflow to main channels of some streams, many intersect more than one major aquifer outcrop particularly streams in alluvial outcrops. Streamflow (pl. 1). Relatively few studies have been done involving data from nearby gaging stations, if available, can indi- reaches that intersect the outcrops of the Hueco-Mesilla cate whether bank flow is more than a minimal source Bolson and Ogallala aquifers and none involving the of water. Large daily streamflows for dates preceding a

RESULTS 3 gain-loss study could imply high recharge conditions Austin area, Texas: Texas Water Development Board and substantial bank flow. Report 293, 216 p. Streamflow data from gaging stations can be used Land, L.F., Boning, C.W., Harmsen, Lynn, and Reeves, R.D., to supplement or augment data from channel gain-loss 1983, Streamflow losses along the Balcones fault zone, studies. For example, many streams have more than one Nueces River Basin, Texas: U.S. Geological Survey Water-Resources Investigations Report 83–4168, 72 p. gaging station. Daily flow data at proximate gaging Slade, R.M., Jr., Gaylord, J.L., Dorsey, M.E., Mitchell, R.N., sites on the same stream can be used to estimate gains and Gordon, J.D., 1982, Hydrologic data for urban stud- or losses in channel flow for the reach between the ies in the Austin, Texas, metropolitan area, 1980: U.S. stations. Current and historic streamflow data for Texas Geological Survey Open-File Report 82–506, 264 p. streamflow-gaging stations are available on the World Texas Board of Water Engineers, 1960, Channel gain and loss Wide Web at http://tx.usgs.gov investigations, Texas streams, 1918–1958: Texas Board Streamflow gains and losses are subject to error of Water Engineers Bulletin 5807–D, 270 p. because of potential error in the streamflow measure- U.S. Geological Survey, 1963–65, Surface water records of ments. The potential error in each streamflow measure- Texas 1962–64: U.S. Geological Survey [variously ment typically is about 5 to 8 percent; however, the paged]. potential error for most streamflow gains or losses is ______1966–70, 1972, 1975, Water resources data for Texas, larger than that, and the potential error increases as the water years 1965–69, 1971, 1974—Part 1. Surface water records: U.S. Geological Survey [variously paged]. ratio of the gain (or loss) to the measured flow increases. ______1976–77, 1981–82a, 1986, Water resources data For example, the potential error in a measured flow of for Texas, water years 1975–76, 1980–81, 1985— 10 cubic feet per second (ft3/s) for a main-channel site 3 Volume 3. Colorado River Basin, Lavaca River Basin, would be about 0.5 ft /s, and the potential error for Guadalupe River Basin, Nueces River Basin, Rio 3 11 ft /s measured at a downstream main channel site Grande Basin, and intervening coastal basins: U.S. 3 would be about 0.5 ft /s. The total potential error there- Geological Survey Water-Data Reports TX–75–3, fore would be about 1.0 ft3/s for the two measured 510 p.; TX–76–3, 557 p.; TX–80–3, 583 p.; TX–81–3, flows, which is comparable to the computed gain of 599 p.; TX–85–3, 447 p. 1.0 ft3/s for the reach between the sites; thus the actual ______1980, Water resources data for Texas, water year gain could range from 0 to 2.0 ft3/s. 1979—Volume 2. San Jacinto River Basin, Brazos River Basin, San Bernard River Basin, and intervening coastal SELECTED REFERENCES basins: U.S. Geological Survey Water-Data Report TX–79–2, 511 p. Ashworth, J.B., and Hopkins, Janie, 1995, Major and minor ______1982b, Water resources data for Texas, water year aquifers of Texas: Texas Water Development Board 1981—Volume 1. Arkansas River Basin, Red River Report 345, 69 p. Basin, Sabine River Basin, Neches River Basin, Trinity Baker, E.T., Jr., Slade, R.M., Jr., Dorsey, M.E., and Ruiz, River Basin, and intervening coastal basins: U.S. L.M., 1986, Geohydrology of the Edwards aquifer in the Geological Survey Water-Data Report TX–81–1, 597 p.

4 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference /s-mi) 3 reach mile of Gain or loss per (ft oundary and Water Water and oundary /s) 3 Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 8/13–15/1979 17 15 8 Edwards, Trinity 9.4 .553 USGS (1980) 2/13–15/1979 17 15 8 Edwards, Trinity 33.74 1.985 USGS (1980) 8/16–26/1978 17 15 8 Edwards, Trinity .07 .004 USGS (1980) 4/26–27/1978 17 15 8 Edwards, Trinity 3.65 .215 USGS (1980) 4/21–24/19788/15/1978 30.1 172/15/1979 30.18/14–15/1979 11 17 30.14/17–18/1978 30.1 Edwards 17 11 178/17–18/1978 20.8 11 Edwards 212/13–14/1979 20.8 11 Edwards 218/13–14/1979 20.8 Edwards 8 2.25 211/25–26/1962 20.8 0.075 8 Edwards USGS (1980) 21 24.1 –.21 Edwards 8 –.007 14 31.291/16/1968 USGS (1980) 21.75 8 Edwards 1.04 USGS (1980) .723 Edwards 5 15.7 USGS (1980) 6.05 -- 6 .291 .07 USGS (1980) 48.05 .003 USGS 4 (1980) 2.31 6.57 USGS (1980) Edwards .316 USGS (1980) –3.18 –.132 USGS (1963) 15.88 1.011 USGS (1969) Reach identification /s-mi, cubic feet per second per mile; Cr, Creek; USGS, U.S. Geological Survey; --, not applicable; R, River; River; R, applicable; not --, USGS, Survey; U.S. Geological Creek; mile; Cr, per per second cubic feet /s-mi, 3 at Georgetown at at Georgetown at at Georgetown at at Georgetown at Georgetown) R Little with confluence Georgetown) Georgetown) Georgetown) Round Rock Round Rock Round Rock Round Rock SedwickBreckenridge to (08086500) north of Leander to mouth 3/16–18/1964 14.4 13 6 Edwards, Trinity 1.98 .138 USGS (1965) above US 183 USabove Country to Club Rd above US 183 USabove Country to Club Rd above US 183 USabove Country to Club Rd above US 183 USabove Country to Club Rd name Stream Gabriel R Gabriel Gabriel R Gabriel Gabriel R Gabriel Gabriel R Gabriel Gabriel R Gabriel Results of Streamflow Gain-Loss Studies in Texas, With Results of Streamflow Gain-Loss Studies in Texas, Minor and Losses to Major and From on Gains Emphasis Aquifers Table 1 /s, cubic feet per second; ft second; feet per cubic /s, 3 river basin Major Characteristics of flow gain-loss studies in Texas Characteristics of flow gain-loss studies in Texas—Continued 1 Brazos BerryCr Briggs to mouth (northeast of 2 Brazos3 Brazos BerryCr 4 Brazos BerryCr 5 Brazos BerryCr Briggs to mouth (northeast of 6 Brazos Brushy Cr Briggs to mouth (northeast of 7 Brazos Brushy Cr Briggs to mouth (northeast of 8 northwest of Leander to 4 mi east of Brazos Brushy Cr9 northwest of Leander to 4 mi east of Brazos Brushy Cr northwest of Leander to 4 mi east of Hubbard Cr northwest of Leander to 4 mi east of county road 2.5 mi north of no. 18 Brazos North Fk San 17 Brazos North Fk San 16 Brazos North Fk San 15 Brazos North Fk San 1011 Brazos Brazos12 Lampasas R13 Brazos Lampasas R14 Brazos Brazos northeast of Lampasas LeonRmouth to Stillhouse Dam Hollow to site Leon R 6/3–6/1963 North Fk San Belton Damto Little River 79.8 southeastof Eastlandnear to Hasse 3/13–14/1951 22 1/16–17/1968 45.5 12 18 9 Edwards,Trinity 11 11 –5.5 Trinity 4 –.069 USGS(1964) -- .26 .006 TBWE (1960) 2.48 .276 USGS(1969) flow flow study Stream- TBWE, Texas Board of Water Engineers; Fk, Fork; ft, feet; PCWID, Pecos County Water Improvement District; IBWC, International B International District; IBWC, Improvement County Water PecosPCWID, ft, feet; Fk, Fork; Engineers; of Water Board Texas TBWE, District] Improvement Commission; CountyWater RCWID, Reeves some reaches to identify used stations digit streamflow-gaging Note: Eight Table 1. Table miles;[mi, ft 1. Table

Table 1 5 for data Reference (1982) (1982) (1982) (1982) /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 1/25/1962 7.8 3 3 --6/30/19428/10/1942 3.672/9/1981 9 3.674/28/1981 .84 97/6–8/1970 3.5 6 .108 USGS (1963) 3.510/1–3/1970 5 Trinity 6 49.5 55/29/1980 49.5 Trinity 27 5 27 5 21 Edwards 24 Edwards 245/23/1980 15.2 Edwards, Trinity 17 4.142 Edwards, Trinity 11.7 TBWE (1960) 2/24–26/1986 16 10.1 –17.0 99.07 3.188 TBWE (1960) 239.1 10 Edwards,Trinity –4.857 2.001 82.44 –5.43 Slade and others USGS (1972) 60 –1.551 1.665 Slade and others USGS (1972) 8 11.02 28 Edwards,Trinity .525 -- Slade and others –3.8 –.376 Slade and others 1.89 .008 unpublished Reach identification mouth from BurlesonCr Barton Springs Barton Springs Springs Springs Springs (08155500) RR MoPac above to 503 (08136700) from BurlesonCr US 183to29 SH at Georgetown 3/16/1964near Bertram to Georgetownnear Bertram to Georgetown 4/19–21/1978 12.8near Bertram to Georgetown 8/17/1978 29.7 6near Bertram to Georgetown 21 2/13–15/1979 29.7 4 8/13–15/1979 29.7 13 21 Edwards 21 29.7 Edwards,Trinity 13 21 13 Edwards,Trinity 5.09 Edwards, 14Trinity 1.38 .171 Edwards,Trinity USGS(1980) .108 .01 33.22 USGS(1965) 1.119 .0 USGS(1980) 8.59 USGS(1980) .289 USGS(1980) 8.3 mi above mouth8.3above mi 0.5 to mi above name Stream Gabriel R Gabriel R Gabriel R Gabriel R Gabriel R Gabriel Cr river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. 2425 Brazos Brazos SanGabriel R South Fk San Georgetown (08105000)to mouth 3/17–18/1964 49 2531 Brazos 1132 Colorado -- Cr Sulphur 33 Barton Cr Colorado34 downstream mi 1.5 to Lampasas Barton Cr Colorado35 Loop 360 (08155300)to above Barton Cr Colorado36 Loop 360 (08155300)to above Barton Cr Colorado 10.5437 northeast of Henlyto Barton Barton Cr38 Colorado .21539 USGS(1965) Colorado northeast of Henlyto Barton Beals Cr40 Colorado Beals Cr Colorado SH 71 (08155200)to Barton Beals Cr41 Bear Cr42 Colorado FM 87 to 0.5 mi above mouth Colorado FM Brady87 to Cr 0.5 mi above mouth US0.5 87 tomi mouth Coloradoabove R 2/24/1986 southeast of 12/9–10/1986 FM 1826 (08158810) 2/27–3/1/1989 Brady to mouth Lake below J.B. Thomas dam to FM 58.7 58.7 58.7 9 9 8 8 8 3/29/1918 7 Ogallala Ogallala Ogallala 28 3 2.85 –.04 3.88 3 –.001 .049 unpublished unpublished .066 -- unpublished 1.7 .061 TBWE (1960) 26 Brazos27 Brazos South Fk San 28 Brazos South Fk San 29 Brazos South Fk San 30 Brazos South Fk San Cr Sulphur downstream mi 1.5 to Lampasas 1920 Brazos21 Brazos22 Brazos Salado Cr23 Brazos Salado Cr Brazos Salado Cr Salado Cr northwest of Florence to Salado Salt Prong Hubbard northwest of Florence to Salado 4/24/1978 northwest of Florence to Salado 8/14/1978 northwest of Florence to Salado 2/16/1979 8/15/1979 26.2 26.2 12 26.2 12 26.2 12 12 7 7 Edwards 7 Edwards 7 Edwards Edwards 15.29 8.96 0.584 63.0 USGS (1980) 49.09 .342 2.405 USGS (1980) 1.874 USGS (1980) USGS (1980) flow flow study Stream- Table 1. Table

6 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 15.7 1.331 TBWE (1960) 340.6 .574 TBWE (1960) Total (ft loss (-) gain or gain in reach –1,634.24 –6.344 USGS (1986) by reachby outcrop(s) intersected Major aquifer Major Edwards, Gulf Gulf Edwards, Trinity Coast, Coast (Plateau) No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 12/14/19663/21/1967 34.74/8/1968 4 34.74/7–24/1925 10 103.2 365 4 32 10 106 -- -- 22 37 -- Edwards, Trinity –2.97 96.53 –.086 –2.69 .264 USGS (1968) TBWE (1960) –.078 USGS (1968) –.28 –.003 USGS (1969) 1/6–9/19872/27–3/1/1989 239.1 239.12/14/1975 60 6011/13/1975 28 35.51/20/1976 28 35.5 19 --3/2/1976 -- 19 35.5 128/19–21/1985 19 12 35.5 257.6 -- 19 -- 19 12 –23.64 -- –0.099 12 –5.41 12 unpublished –.023 -- Carrizo-Wilcox, Gulf unpublished 7.98 4.96 .225 USGS (1976) .14 –2.24 USGS (1977) –.063 USGS (1977) –2.25 –.063 USGS (1977) 2/25–26/19861/6–7/1987 54.7 102/28–3/1/1989 54.7 54.73/27–28/1918 10 6 103/17–20/1925 51.5 -- 6 14 54.5 6 -- 282/26/1986 -- 71/7/1987 12 -- 18.4 -- 9 18.4 7.25 .133 9 36.23 unpublished 7 37.8 .662 -- unpublished 7 .691 4.6 unpublished -- 6.6 .089 TBWE (1960) .121 TBWE (1960) –.53 –.029 12.7 unpublished .69 unpublished Reach identification Lee (08124000) Lee (08124000) (08123900)Silver (08155500) 503 (08136700) (08121000) (08121000) (08121000) (08121000) (08162500) 503 (08136700) Concho (08136000)to FM 1929 Concho (08136000)to FM 1929 Concho (08136000)to FM 1929 mouth to Concho mouth to Concho (08127000) (08127000) name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. 50 Colorado51 Colorado R Colorado52 Colorado R Colorado53 near (08123900) Silver to Robert Colorado R Colorado54 near (08123900) Silver to Robert Colorado R Colorado (08118000) near Vincent to near Colorado R Robert Leeto Barton Springs Robert Leeto mouth 8/7–14/1918 593 117 43 Carrizo-Wilcox, 44 Colorado45 Colorado R Colorado46 Colorado R Colorado47 Lake below J.B. Thomas dam to FM Colorado R Colorado48 BullCrto Colorado City Colorado R Colorado49 BullCrto Colorado City Colorado R Colorado BullCrto Colorado City Colorado R BullCrto Colorado City Austin (08158000) to near Bay City 43 Colorado Colorado R Lake below J.B. Thomas dam to FM 55 Colorado56 Concho R Colorado57 Concho R Colorado58 confluence of North and South Concho R Colorado59 confluence of North and South Concho R Colorado60 confluence of North and South Concho R Colorado61 confluence of North and South Cr Dove Colorado62 confluence of North and South Elm Cr Colorado Elm Cr 9 mi Knickerbocker above mouth to 3/4–5/1925 FM 1770 north to of Ballinger 11.8 FM 1770 north to of Ballinger 8 5 Edwards-Trinity flow flow study Stream- Table 1. Table

Table 1 7 for data Reference (1982) (1982) /s-mi) 3 reach mile of Gain or loss per (ft .46 .026 USGS (1963) /s) 8.9 .53 TBWE (1960) 7.84 .094 USGS (1963) 5.7 .054 TBWE (1960) 6.9 .217 TBWE (1960) 4.76 .068 TBWE (1960) 7.7 .096 TBWE (1960) 4.0 .191 TBWE (1960) 3 22.3 .21 (1960) TBWE –2.5 –.024 TBWE (1960) –18.83 –.238 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau), Trinity (Plateau), Trinity (Plateau) (Plateau) (Plateau) No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 3/1/1989 18.4 9 7 -- 0.68 0.037 unpublished 1/17–24/1962 83.5 56 20 Edwards-Trinity 9/3–4/1952 79 12 10 Edwards-Trinity 2/14–21/1925 105 23 17 Edwards-Trinity 5/25–26/19182/28–3/17/1925 78 55.33/27/1918 40 13 48 29 12 -- 9 -- 7 -- 5.1 2.3 .065 TBWE (1960) .042 TBWE (1960) –1.1 –.023 TBWE (1960) 5/28/19801/9–17/1956 35.4 70 19 69 14 39 Edwards,Trinity Edwards-Trinity –82.7 –2.336 Slade and others 2/20–21/1940 20.9 13 6 Edwards-Trinity 11/17–18/1921 143/5/1981 6 2 7.4 -- 6 6 Edwards,Trinity –.9 –54.7 –7.392 –.064 TBWE Slade (1960) and others Reach identification (08127000) Llano to Llano (08151500) (08151500) Llanomouth to confluence with South Concho R with South Concho R South Concho R (08159000) (08153500) (08144500) (08146000) (08158810)to FM 2304 (08158860) name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. 64 Colorado Johnson Fk Llano R headwater springsmouth to 2/6–15/1925 16.8 9 8 Edwards-Trinity 63 Colorado Elm Cr FM 1770 north to of Ballinger 65 Colorado Llano R confluence of North and South 66 Colorado Llano R Junctiongaging stationto Llano 67 Colorado68 Llano R Colorado Llano R Junctionto mouth confluence of North and South 3/31–4/3/1918 106 26 13 Edwards-Trinity 6970 Colorado71 Colorado Middle Concho R Colorado Middle Concho R72mouth Cr to Kiowa North Concho R SanAngelo-Mertzon Rd mouth to Colorado73 3/27–28/1918 13 mi Sterling above City to North Concho R Colorado74 22 SterlingCity above confluence to North Concho R Colorado 3/10–11/1925 SterlingCity confluence to with North Llano R 2 47.7to Junction 10 miRoosevelt above 14 2/7–14/1925 2 -- 13 31.8 -- 14 10 Edwards-Trinity 3.9 –.8 .177 TBWE (1960) –.017 TBWE (1960) 7576 Colorado Colorado Onion Cr77 Onion Cr Colorado Pedernales Rmouth FM 12 to FM 150(08158700) US to183 Harper below to near Johnson City 4/23–24/1958 59.2 21 9 Edwards,Trinity –24.9 –.421 TBWE (1960) 7980 Colorado Colorado Pedernales R SanSaba R Harper to Hamilton Pool toMcKavett Brady Fort Cr above 7/27–29/1933 5/15–21/1962 80.1 88.7 32 43 18 23 Edwards-Trinity Trinity 12.31 .139 USGS (1963) 78 Colorado Pedernales R Harperto Hamilton Pool 4/3–4/1962 18 12 8 Edwards-Trinity 81 Colorado SanSaba R toMcKavett Menard Fort below 82 Colorado83Saba San R Colorado84Saba San R Colorado near DoransRanch toSaba San Slaughter Cr mouth to near McKavett Fort Bear Cr below FM 1826 3/29–31/1918 105 29 11 Edwards-Trinity flow flow study Stream- Table 1. Table

8 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference (1982) (1982) (1982) /s-mi) 3 reach mile of Gain or loss per (ft /s) 2.3 .124 TBWE (1960) 3 19.6 .79 (1960) TBWE 13.3–4.64 .672 TBWE (1960) –.387 TBWE (1960) 26.7 1.03125.6 TBWE (1960) 10.5 .966 TBWE (1960) .389 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 1/24–28/19557/10–14/1957 49.6 33 16.29/12–13/1949 8 30 62 Edwards, Trinity5/11/1955 7 10 Edwards, Trinity –2.65 16.5 7 –.053 6 TBWE (1960) –13.9 Carrizo-Wilcox –.858 TBWE (1960) 3 13.95 Trinity .225 TBWE (1960) 63.5 3.848 TBWE (1960) 3/15–16/19552/25–3/4/1963 33.3 27.1 7 28 6 20 Edwards, Trinity Trinity –10.3 –.309 TBWE (1960) 25.9 .956 USGS (1964) 5/20/1980 13.5 16 14 Edwards,Trinity –4.88 –.361 Slade and others 3/5/1981 5.4 6 5 -- –12.23 –2.265 Slade and others 4/27/19183/27–28/1918 16/18/1953 19.8 134/1/1918 3 12 7 2 18.5 6 Edwards-Trinity -- 5 5 2 Edwards-Trinity Edwards-Trinity 2.2 2.2 TBWE (1960) 5/22/1980 8.8 11 10 Edwards,Trinity –10.45 –1.188 Slade and others 2/10–14/1925 25.9 12 9 Edwards-Trinity Reach Y" (US 290/SH 71) in identification " (08171300) City (08183500) (08167500)to Cranes below Mill spring northeast of SanMarcos northeast of SanMarcos (08171000) Jimmy ClayRd (08158970) OakHill(08158920) FM 2304 to (08158930) below Middlebelow Concho Concho R Nasworthy North Llano R downstreamfrom Chappell Ln Fk to mouth Fk to name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. 9697 Colorado Guadalupe Cr Wolf 98 BlancoR Guadalupe99R Blanco Guadalupe 12.1 mi mouth above mouth to 10 mi upstream to of Wimberley BlancoR Wimberley to 1/16/1956 Blanco below mi 9 Halifax above Cr near to Kyle 12.1 7/22/1924 10 4.2 5 Trinity 3 3 Edwards 1.9 .157 TBWE (1960) –13.1 –3.119 TBWE (1960) 95 Colorado Williamson Cr Old Oak Hill-Bee Rd Cave to 86 Colorado87 South Concho R Colorado88to mouth Christoval above South Concho R Colorado89 Middle above Concho 3.5 to mi South Concho R Colorado90 3/12–16/1925 Christovalconfluence to with North South Concho R Colorado 24.8 south Lake above to of Christoval South Llano R 12 confluence to with Telegraph above 5 Edwards-Trinity 85 Colorado Slaughter Cr FM 1826 (08158840)to 91 Colorado92 South Llano R Colorado93 SpringCr confluence below Coloradoand South of West 94 SpringCr Colorado Mertzon above mouth to Williamson CrSprings mouth to Seven above east ofthe 3/6–11/1925 3/27/1918 26.5 27 17 15 12 10 Edwards-Trinity Edwards-Trinity flow flow study 101 Guadalupe102 BlancoR 103 Guadalupe104 Guadalupe Blanco R Guadalupe Blanco R105 (08171000) Wimberley to Kyle Cibolo Cr106 Guadalupe Wimberley to near Kyle Cypress GuadalupeCr Wimberley to near Kyle Guadalupe R Schertzto SanAntonio R near Falls FM 1341 mouth to 2.5 mi Spring below Branch 6/12/1924 7/15–16/1924 19.4 19.4 3/25/1965 4 3 10 4 3 Edwards, Trinity Edwards, Trinity 4 –12.8 14.0 4 –.66 Trinity .722 TBWE (1960) TBWE (1960) 3.35 .335 USGS(1966) 100 GuadalupeR Blanco to R Blanco Little from upstream Stream- Table 1. Table

Table 1 9 for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 9.33 .491 USGS (1966) 3 Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau), Trinity No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 8/15/19699/6–7/1955 23.66/3–5/1925 45.7 51/3–7/1955 26 43.82/17–18/1955 5 19 47.1 16 20.4 Edwards 28 12 Trinity 12 Trinity 19 7 Trinity –4.0 Trinity –4.84 –.169 USGS (1970) –.106 TBWE (1960) 2.2 –.067 .05 –.014 –4.62 TBWE (1960) TBWE (1960) –.226 TBWE (1960) 3/16/19653/24–25/19651/24–31/1955 .8 342/28–3/2/1955 4 57 37 573/14–15/1955 41 12 43/29–30/1955 57 15 33 Trinity Trinity4/12–13/1955 67.3 9 13 Edwards, Trinity 104/26–27/1955 57 Edwards, Trinity5/9–10/1955 8 57 –43.7 9 9 47.42 22.23/7–8/1962 Edwards, Trinity –.767 51.3 –1.0 9 Edwards, Trinity TBWE (1960) 1.395 27.751/17/1955 8 USGS (1966) USGS (1966) –.018 8 57 TBWE (1960) 11.03/15–16/1965 Edwards, 8 Trinity –1.4 14 15.1 5 .193 Edwards, Trinity 19 –.021 TBWE (1960) 7 TBWE (1960) Edwards, Trinity 12 –.3 16 –.005 Edwards, Trinity .8 6 TBWE –499.04 (1960) 6 –9.728 Trinity TBWE (1960) .014 TBWE (1960) 23.1 Edwards-Trinity .405 USGS (1963) –39.4 –2.609 TBWE (1960) Reach identification diversion lateral Mountain in MedinaLake Cr Bandera-Medinabelow Coline Medina Lake Comfort (08167000) Braunfels Braunfels Braunfels Braunfels Braunfels Braunfels Braunfels Braunfels Ranch mouth near to Home Comfort (08167000) name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 124 Guadalupe125 Medina Canal Guadalupe126 Medina R head of canal (08180000) to first Guadalupe127 Medina R Guadalupe128 5.8 mi above Medina Head to Turks Medina R Guadalupe129LimaPipeto 5 mi above 4 mi below Medina R GuadalupeMedina 8.3 mi above 1.5 tomi Medina R Bandera HeadMountain to Turks in Main Damto near Riomedina 12/9/1924 10.9 5 5 Edwards,Trinity 6.6 .606 TBWE (1960) 113 Guadalupe114 Guadalupe R Guadalupe115 R Guadalupe confluence of North and Guadalupe South Fk to 116 R Guadalupe New to Branch Spring near Guadalupe117 R Guadalupe New to Branch Spring near Guadalupe118 R Guadalupe New to Branch Spring near Guadalupe119 R Guadalupe New to Branch Spring near Guadalupe120 R Guadalupe New to Branch Spring near Guadalupe121 R Guadalupe New to Branch Spring near Guadalupe122 R Guadalupe New to Branch Spring near Guadalupe123 R Guadalupe New to Branch Spring near Guadalupe Johnson Cr Wunderlich to Branch Spring near 4.9 mi northwestofMountain 107108 Guadalupe109 Guadalupe Guadalupe R110 Guadalupe Guadalupe R111 Guadalupe Guadalupe R112 Canyon Dam to 3.6 mi downstream Guadalupe Guadalupe R 4/9/1965 Canyon Dam to 3.6 mi downstream Guadalupe Guadalupe R 4/16/1965 Canyon Dam to 3.6 mi downstream Guadalupe R 4/22/1965 Comfortto Braunfels New Comfortto Braunfels New 3.5 confluence of North and South Fk to 3.5 1/16–19/1928 3.5 9 8 2/18–22/1929 108.7 8 108.7 6 25 5 29 5 Trinity Trinity 13 Trinity 16 Edwards,Trinity Edwards,Trinity –10.57 13.2 –3.02 10.9 .3 USGS (1966) .121 2.81 TBWE (1960) .1 .086 .803 USGS (1966) TBWE (1960) USGS (1966) Stream- Table 1. Table

10 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference (1983) /s-mi) 3 reach mile of Gain or loss per (ft /s) –.75 –.038 TBWE (1960) 3 –8.49 –1.633 TBWE (1960) –6.95 –1.337 TBWE (1960) –4.11 –.374 TBWE (1960) –7.01 –.637 TBWE (1960) –1.0 –.065 TBWE (1960) 10.01 .384 TBWE (1960) –2.18 –.078 TBWE (1960) 11.86 .972 USGS (1966) 15.32 .766 USGS (1966) –3.2 –0.058 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau) (Plateau) (Plateau) (Plateau) Trinity (Plateau) Trinity Trinity (Plateau) Trinity Trinity (Plateau) Trinity (Plateau) Trinity (Plateau), Trinity (Plateau), Trinity Edwards No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 6/18/1981 24.6 6 6 Edwards –425.61 –17.301 Land and others 1/15–20/1958 26.1 35 13 Edwards, Edwards- 12/14–17/1970 65.4 1812/14–16/1970 64.4 14 181/23–26/1951 Gulf Coast 103.8 12 29 Gulf Coast 18.2312/16–20/1954 14 .279 209/9–13/1955 USGS Gulf (1972) Coast 11.1 24 28 .172 26 USGS (1972) 15 4.83 Edwards, Edwards- 20 .047 TBWE (1960) Edwards, Edwards- 3/15–16/1965 12.2 15 9 Edwards-Trinity 3/15–16/1965 20 18 10 Edwards-Trinity 5/26–28/1925 55.1 19 14 Carrizo-Wilcox, Reach identification north ofUS 90 Reagan Wells (08196000) Reagan Wells southeast of Edna SHbridge 111 Mathis (08196000) Reagan Wells (08196000) Reagan Wells with North Fk Guadalupe R Guadalupe Fk North with confluence with South Fk R Guadalupe dam to Losoya westLondon of Old to near Carlisle 10/28/19423 mi southwest of Poteetto near 6.5Campbelltonnear to Mathis 11Campbelltonnear to Mathis 4/19–21/1951 6 4/27–5/1/1951 60.2 Carrizo-Wilcox 30 58.3 23 15 3.0 13 GulfCoast .462 GulfCoast TBWE (1960) 1.13 –.22 .019 TBWE (1960) –.004 TBWE (1960) Lynxhaven resort confluence to Lynxhaven Kerr Wildlife Management Wildlife AreaKerr to name Stream Cr—[Bowles Cr] Cr—[Bowles R Nueces R Nueces R Nueces R R river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 151 Nueces EastFrio R mouth 5.2 mi above to mouth 7/9/1957 5.2 5 4 Edwards-Trinity 150 Nueces EastFrio R mouth 5.2 mi above to mouth 2/14/1955 5.2 5 4 Edwards-Trinity 149 Nueces EastFrio R 11 mi mouth above mouth to 9/7–9/1955 11 12 9 Edwards-Trinity 148 Nueces EastFrio R 11 mi mouth above mouth to 1/5–6/1955 11 12 9 Edwards-Trinity 147 Nueces Dry Frio R (08196000)to 0.9 mi Reagan Wells 146 Nueces Dry Frio R near ReaganWells 6/28/1925 15.5 7 6 Edwards,Edwards- 145 Nueces R Frio Dry to line Co Real-Uvalde above 133134 Guadalupe135Cr Guadalupe Turtle Cr Lavaca Verde 136137 Lavaca R Lavaca 138 FM 1273 FM 692 to Lavaca 7.7 mi southwest of CenterPoint Lavaca R Lavaca 139 R Lavaca 3/25/1965 east ofHallettsville (08163500)to Neches Navidad R140 near Edna 3/24–25/1965 Nueces Fk Bowles West 141 10.4 near Edna east ofHallettsville (08164300)to Nueces Atascosa, Frio, and 9.2142 6 Nueces Atascosa, Frio, and 143 4 3 Nueces Atascosa, Frio, and 144 3 Trinity Nueces Dry Frio R 11/4/1947 8/5–6/1948 Trinity Dry Frio R below to line Co Real-Uvalde above 9.5 9.5 below to line Co Real-Uvalde above 7 7 6.93 11.96 .666 5 USGS(1966) 5 1.3 GulfCoast USGS(1966) GulfCoast 5.7 4.48 .6 .472 TBWE (1960) TBWE (1960) 132 GuadalupeGuadalupe South Fk 131 Guadalupe NorthGuadalupe Fk 130 Guadalupe Medina R Medina Co Irrigation Co. diversion Stream- Table 1. Table

Table 1 11 for data Reference (1983) (1983) (1983) (1983) /s-mi) 3 reach mile of Gain or loss per (ft /s) 1.57 .041 TBWE (1960) 3 –17.71 –0.462 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Trinity (Plateau) Trinity (Plateau) Trinity No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 2/5–8/19466/11–12/1931 49.48/7–9/1946 37.5 35 153/1/1947 36.3 326/21–22/1934 22 12 Carrizo-Wilcox10/18–20/1934 9.8 34.6 Carrizo-Wilcox 21 34.6 137/5–6/1939 5 Carrizo-Wilcox 14 2.011/7/1932 10 –3.1 23 56/8–10/1939 .04 11 –.083 Carrizo-Wilcox 14 TBWE 17 (1960) Carrizo-Wilcox TBWE (1960) .3 Carrizo-Wilcox 26 6 11 .008 –3.1 10 TBWE (1960) 14.91 Carrizo-Wilcox –.09 2.4 1.521 4 TBWE (1960) TBWE (1960) 8 .069 Carrizo-Wilcox TBWE (1960) Carrizo-Wilcox 4.3 .187 21.2 TBWE (1960) –3.8 1.247 TBWE (1960) –.146 TBWE (1960) 3/27–28/19685/27/1981 29.5 13 18.9 12 6 Edwards, Trinity 6 –98.0 Edwards –3.322 USGS (1969) –158.1 –8.365 Land and others 5/6/1981 28.4 7 7 Edwards –229.0 –8.063 Land and others 4/2/1981 28.4 7 7 Edwards –259.18 –9.126 Land and others 5/17–23/195411/12–13/1991 38.5 169/11/1980 8.59 5 14 28.4 Edwards, Edwards- 4 7 Gulf Coast 7 Edwards .12 .014 –200.14 unpublished –7.047 Land and others 6/26–28/1925 38.3 24 16 Edwards, Edwards- Reach identification east of Zavalla-Frio Co line Co Zavalla-Frio of east southeast of Uvalde southeast of Batesville southeast of Uvalde Batesville Batesville Batesville Batesville Batesville downstream from US 90 (08200700) (08197500) (08197500) Concan (08195000) Refinery Shamrock (08197500) Concan 11 mi above Leakey to 3.7 mi below below mi 3.7 to Leakey mi above 11 11.8 mi above Leakey to 7 mi below below 7 mi to Leakey mi above 11.8 name Stream R] R] river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 165 Nueces166 Nueces Leona R167 R Nueces Leona 168 Nueces Leona R 1.7 mi southeast of Uvalde to 0.2 mi 169 mi 35 to Uvalde Nueces of southeast mi 1.7 Leona R170 Nueces Leona R 1.7 mi southeast of Uvalde to 7.1 mi 171 Nueces Leona R 1.7 mi southeast of Uvalde to 9.5 mi 172 Nueces Leona R 1.7 mi southeast of Uvalde to below 173 R Nueces Leona 1.7 mi southeast of Uvalde to below Leona R 1.7 mi southeast of Uvalde to below near to Uvalde of southeast mi 1.7 10 mi below Uvaldeto below 162163 Nueces Nueces164 Hondo Cr Nueces Hondo Cr Hondo Cr near headwatersUS to 90 (08200000) Tarpley to 3 mi (08200000) Hondo to Tarpley 4/5–8/1958 37.2 25 15 Edwards,Trinity –27.78 –.747 TBWE (1960) 161 Nueces Frio R (08196000) to Reagan Uvalde Wells 156157 Nueces158 Nueces159 Frio R Nueces160 Frio R Nueces Frio Nueces R Frio R Frio R Concan (08195000) near to Knippa 11/5–6/1932 Concan (08195000) near to Knippa 12/20/1932 near Concanmouth near to Fowlerton 18.5 (08196000) to Reagan Uvalde Wells 18.5 5 5 12/18–21/1967 5 62.9 7/1/1931 5 Edwards 13 Edwards 6 6 GulfCoast –233.0 5 –12.595 –124.0 TBWE (1960) –6.703 5 TBWE (1960) 10.63 Edwards .169 USGS(1969) –25.7 –4.283 TBWE (1960) 153 Nueces154 Nueces East Frio R—[Frio 155 R Frio Nueces Frio R to Reservoir Canyon Choke Concan (08195000) near to Uvalde 152 Nueces East Frio R—[Frio Stream- Table 1. Table

12 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference (1983) (1983) (1983) (1983) /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 19.8 .266 TBWE (1960) 18.2 .722 TBWE (1960) 15.78 .626 TBWE (1960) –1.01 –.04 (1960) TBWE –63.8 –1.36–66.7 TBWE (1960) –1.422–52.3 TBWE (1960) –1.118–27.9 TBWE (1960) –.595 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Edwards, Edwards- Edwards, (Plateau) Trinity (Plateau) (Plateau) (Plateau) Edwards Edwards Edwards Edwards No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 7/28–30/1981 108.18/11–13/1981 13 108.1 13 10 Gulf 10 Coast Gulf Coast 7.6 9.29 .07 USGS (1982a) .086 USGS (1982a) 2/9/19673/17–26/1924 8.4 74.4 21 6 18 5 Carrizo-Wilcox, Gulf Coast 3.0 .357 USGS (1968) 1/14/19589/8/1980 19.55/2–3/1940 9 16.57/9–10/1940 46.9 118/28–29/1940 46.9 6 149/26–27/1940 46.8 14 8 Edwards, Trinity 13 148/10/1981 46.9 Edwards, Trinity 13 Carrizo-Wilcox, –58.3 14 13 Carrizo-Wilcox, 29.4 –2.99 –86.0 TBWE (1960) 12 Carrizo-Wilcox, –5.212 6 USGS (1981) Carrizo-Wilcox, 6 Edwards –24.0 –.816 Land and others 9/8/1981 16.5 9 7 Edwards,Trinity –86.0 –5.212 Land and others 6/17/1981 16.5 10 9 Edwards,Trinity –161.0 –9.758 Land and others 2/19/19464/25–28/1925 5.2 33.54/24/1981 7 14 16.5 11 7 10 Carrizo-Wilcox Carrizo-Wilcox 8 15.89 Edwards,Trinity 0.7 .474 0.135 TBWE (1960) TBWE (1960) –116.0 –7.03 Land and others Reach identification (08194600) (08194600) Calallen (08211200) Pryor west of Quihi of west community Vandenburg southeastof La Pryor southeastof La Pryor southeastof La Pryor southeastof La Pryor (08192000) north ofHondo north ofHondo Batesville north ofHondo southeast of Uvalde 5.5 mi above East Verde Crto 4 mi East5.5 mi Verde above Cr to SHMiddleon 173 Verde 15.6 mi northof Hondo 4.5 to mi 15.6 mi northof Hondo 4.5 to mi 15.6 mi northof Hondo 4.5 to mi name Stream Verde Cr Verde Cr Verde Cr Verde Cr Verde Cr river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 192 Nueces193 Nueces Nueces R Nueces R Cotulla (08194000)to Simmons Cotulla (08194000)to Simmons 190 Nueces191 Nueces Nueces R Nueces R Mathis below (08211100) above to to La belowCr Odley near Vance 189 Nueces Nueces R BarksdaleLaguna to (08190000) 7/8–10/1957 25.2 29 17 Edwards-Trinity 188 Nueces Nueces R BarksdaleLaguna to (08190000) 9/19–20/1955 25.2 35 19 Edwards-Trinity 187 Nueces Nueces R BarksdaleLaguna to (08190000) 12/13–15/1954 25.2 37 17 Edwards-Trinity 180 Nueces181 Nueces and Middle Verde 182 Nueces and Middle Verde 183 Nueces Nueces R184 Nueces Nueces R185 Laguna above (08190000)4.8 to Nuecesmi Nueces R186 Laguna above (08190000)4.8 tomi Nueces Nueces R Laguna above (08190000)4.8 tomi Nueces R Laguna above (08190000)4.8 tomi Laguna(08190000) Uvalde to 179 Nueces and Middle Verde 178 Nueces and Middle Verde 175 Nueces176177 Nueces Leona R Nueces Little Seco Cr and Middle Verde Uvalde-Friotown Hwyto near 9 mi mouth above to mouth 4/3/1958 9 7 7 Edwards,Trinity 0 0 TBWE (1960) 174 Nueces R Leona mi 9.5 to Dam Kincaid below Stream- Table 1. Table

Table 1 13 for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 –8.7 –.154 TBWE (1960) 28.0 .496 TBWE (1960) –80.2 –2.538 TBWE (1960) –23.7 –0.385–60.2 TBWE (1960) –1.52–59.5 TBWE (1960) –1.503–29.9 TBWE (1960) –.545–76.0 TBWE (1960) –1.345–84.0 TBWE (1960) –1.585–73.6 TBWE (1960) –1.303–91.9 TBWE (1960) –1.627–82.5 TBWE (1960) –1.46 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Edwards Edwards Edwards Edwards Edwards Edwards Edwards Edwards Edwards Edwards Edwards Edwards No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 8/29–30/1931 31.611/12–13/1991 8 16.45 8 7 Carrizo-Wilcox, 6 Gulf Coast 65.89 4.005 unpublished 11/14–16/1931 39.61/24–25/1932 10 39.6 11 10 Carrizo-Wilcox, 11 Carrizo-Wilcox, 5/19/19317/9/1931 22.7 47/16–17/1931 22.7 22.7 4 6 6 Edwards 6 6 Edwards Edwards –79.0 –3.48 TBWE (1960) –77.3 –73.0 –3.405 TBWE (1960) –3.216 TBWE (1960) 6/14–30/1939 61.6 27 25 Carrizo-Wilcox, Reach identification bridge Highway 59 northeast of La Pryor northeast of La Pryor springflow near Uvalde (08204000) springflow near Uvalde (08204000) springflow near Uvalde (08204000) southeast of Cinonia name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 208 Nueces209210 Nueces Nueces R211 Nueces Nueces Nueces R212 Nueces R213 Laguna(08190000) RR SAU&G to Nueces Nueces R214 Nueces215 Mathis (08211000) to Calallen Nueces Nueces R(08204000) Uvalde Cinonia to Nueces Nueces R 4/20–22/1948 Miller's RanchNueces to Rat Nueces R 7/13/1931 Nueces R Mathis (08211000) to CalallenDam 25.5 8/28–30/1963 Mathis (08211000) to CalallenDam 10/9–10/1963 18 Mathis (08211000) to CalallenDam 33.8 2/21–24/1966 25.8 Mathis (08211000) to CalallenDam 8/16–18/1966 14.2 13 7 13 20.5 7 20.5 16 GulfCoast 13 16 7 7 GulfCoast 12 Carrizo-Wilcox 12 GulfCoast GulfCoast GulfCoast –.7 4.0 –15.0 –.027 TBWE (1960) –.581 .118 –5.0 –8.31 USGS(1964) TBWE (1960) –4.12 –.405 –.352 USGS(1967) USGS(1964) –.201 USGS(1967) 207 Nueces Nueces R Laguna(08190000) near to Cinonia 7/23–25/1933 56.5 14 14 Carrizo-Wilcox, 195 Nueces196 Nueces Nueces R197 Nueces Nueces R198 Laguna (08190000) Nueces to 5 mi Nueces R199 Laguna (08190000) Nuecesto 5 mi Nueces R200 Laguna(08190000) Cinonia to Nueces Nueces R201 Laguna(08190000) Cinonia to Nueces 4/30–5/8/1925 Nueces R202 Laguna(08190000) Cinonia to Nueces 54.9 5/16–17/1931 Nueces R203 14 Laguna(08190000) Cinonia to 6/4–6/1931 Nueces Nueces R 56.5204 Laguna 11(08190000) Cinonia to 6/15–17/1931 Nueces R 14 53 Nueces Laguna(08190000) Cinonia to 6/22–24/1931 56.5205 Carrizo-Wilcox, 11 Nueces R 10 Nueces 12 Laguna (08190000) 7/2–4/1931 to Leona R 56.5 Carrizo-Wilcox, 206 12 Nueces R 10 12 Nueces Laguna (08190000) 56.5 to Leona R Carrizo-Wilcox, 12 12 Carrizo-Wilcox, Nueces R Laguna (08190000) to Leona R Carrizo-Wilcox, 12 Laguna(08190000) near to Cinonia 11/1–4/1932 Carrizo-Wilcox, 56.5 14 14 Carrizo-Wilcox, 194 Nueces Nueces R Laguna (08190000) to 3.8 mi Stream- Table 1. Table

14 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference (1983) (1983) (1983) (1983) (1983) /s-mi) 3 reach mile of Gain or loss per (ft /s) 8.54 .216 TBWE (1960) 3 30.86 .882 TBWE (1960) 10.06 .255 TBWE (1960) –1.08 –.034 TBWE (1960) –1.53 –.049 TBWE (1960) –1.6 –.095 TBWE (1960) 21.0 0.318 TBWE (1960) –31.6 –.645 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Trinity (Plateau) Trinity (Plateau) Trinity Trinity (Plateau) Trinity (Plateau), Trinity Trinity (Plateau), (Plateau), Trinity Trinity (Plateau), Trinity (Plateau) Edwards, Edwards- Edwards, (Plateau) Trinity No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 9/8–10/19557/8–12/1957 39.5 28 35 11 21 Edwards, Edwards- 9 Edwards, Edwards- 11/7/19581/4–7/1955 36.3 39.5 13 26 13 20 -- Edwards, Edwards- –97.0 –2.672 TBWE (1960) 6/22/1981 22.9 8 7 Edwards,Trinity –170.2 –7.432 Land and others 6/19/1981 22.9 8 7 Edwards,Trinity –159.2 –6.952 Land and others 6/18/1981 22.9 8 7 Edwards,Trinity –167.35 –7.308 Land and others 8/6/1981 19.1 4 4 -- –91.2 –4.775 Land and others 5/18/19428/5/1942 9.54/2/1981 4 9.5 19.1 4 4 4 Edwards, Trinity 4 4 Edwards, Trinity –32.3 -- –3.4 –6.55 TBWE (1960) –.689 TBWE (1960) –82.2 –4.304 Land and others 9/10–11/1955 31.4 24 18 Edwards-Trinity 5/7–8/19424/8–11/1958 17.5 4912/15–16/1954 7 31.4 30 6 24 19 Edwards, Trinity 18 Edwards, Edwards- Edwards-Trinity –32.7 –1.869 TBWE (1960) 3/10–11/19242/16/1955 3.6 3 16.8 4 3 -- 4 Edwards-Trinity 26.8 7.444 TBWE (1960) Reach identification (08195000) RFrio Concan to (08195000) US 90 (08195000) D'Hanis (08202700) D'Hanis (08202700) D'Hanis (08202700) Sabinal (08198500) north ofSabinal north ofSabinal Sabinal (08198500) Sabinal (08198000) of Sabinal (08198500) Sabinal (08198000) Nunn Hill Dam (08190000) 16 mi above Leakey to Concan Concan to Leakey above mi 16 11.6 mi above confluence with East 16 mi above Leakey to Concan Concan to Leakey above mi 16 name Stream R—[Frio R] R] R—[Frio R] river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 234 Nueces235 Nueces Short Prong Frio Frio R—[Frio West 232 Nueces233 Nueces Seco Cr Short Prong Frio D'Hanis (08202500) to 17 mi below 231 Nueces Seco Cr Miller Ranch (08201500)to 230 Nueces Seco Cr Miller Ranch (08201500)to 229 Nueces Seco Cr Miller Ranch (08201500)to 228 Nueces SabinalR near Sabinal (08198000)to at 224225 Nueces Nueces226 SabinalR Nueces SabinalR 227 Nueces SabinalR below Utopia confluence with Onion Crto 6 mi SabinalR confluence with Onion Crto 6 mi near Sabinal (08198000)to at 1/10/1934 18 4 4 Trinity .92 .051 TBWE (1960) 223 Nueces SabinalR to near 8 mi above Vanderpool 219220 Nueces Nueces221 Nueces R Nueces SabinalR 222 Sabinal R USnear 90 to Crystal City Nueces 1 mi south of Utopia6mi tonorth SabinalR to at Sabinal 8 mi Vanderpool above 11/23–25/1964 52.2to near 8 mi above Vanderpool 19 10 Carrizo-Wilcox 13.4 .257 USGS(1966) 217 Nueces218 Nueces Nueces R Nueces R OldSpanish Trail crossing to Tom Real-UvaldeCo line Laguna to 216 Nueces Nueces R La to Pryor Crossing near Vance 8/11–18/1924 66.1 13 12 Carrizo-Wilcox, Stream- Table 1. Table

Table 1 15 for data Reference (1983) /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 –6.95 –.146 TBWE (1960) –4.95 –.104 TBWE (1960) 11.59 0.366 TBWE (1960) –19.2 –2.0 TBWE (1960) –26.6 –2.771 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Alluvium, Edwards-Trinity (Plateau) Alluvium, Edwards-Trinity (Plateau) Trinity (Plateau) Trinity Trinity (Plateau) Trinity Trinity (Plateau) Trinity No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 4/5/19586/13/1964 4.41/2–3/1964 3.3 62/6–7/1974 9 40.52/6–9/1968 3 47.6 7 22/6–7/1974 Trinity 40.2 6 Carrizo-Wilcox 7 68 41 Carrizo-Wilcox 6 32 6 -- –.03 6.36 -- –.009 24.09 USGS (1966) 5 1.445 TBWE (1960) .595 -- USGS (1966) –1.3 1.35 –.027 USGS (1975) .034 USGS (1969) –.8 –.02 USGS (1975) 6/20/1981 38.5 3 2 Edwards –286.0 –7.429 Land and others 9/11–12/1955 47.7 18 16 Edwards, Edwards- 5/13/194112/13–14/1954 37 47.7 18 5 15 4 Edwards, Edwards- Edwards –7.1 –.192 TBWE (1960) 2/14–18/1955 31.7 7 5 Edwards, Edwards- Reach identification above Hondo Cr 1997 Jefferson Lake Kemp (07297910) Lake Kemp Shaw Ranch crossing Ranch Shaw station near Brackettville Brackettville near station (08190500) near Uvalde Brackettville near station (08190500) (08195000) near Utopia (08202000)US to 90 4/1–4/1958 39 39 21 Edwards,Trinity –21.04 –.539 TBWE (1960) 8 mi above Leakey to Concan name Stream [Seco Cr] R] river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 241 Nueces242 Nueces SecoCr— West 243 Red RiverCr Williams 244 Grays Cr245 Red River Red Rivermouth 4.7 mi above to 1,600 feet Little CypressCr 246 Little CypressCr SH 155to FM 134 Red River 2.6 mi northMarshall ofFM to 247 northeast of Gilmerto near North R Fk Wichita Red (07311700) River Truscott 4mi to above 248Fk Prairie DogTown to Wayside Lake Tanglewood Red River249 South Fk Wichita R 6/10–13/1964250 above mi 4 Red River(07311800)to Benjamin 251 Red River Sugar Cr 49.1252 Red River Blanca Tierra Cr Rio Grande 35 Blanca Tierra Cr near Umbarger Bignear toCanyon Aguja Canyon near Umbargernear toCanyon 11.8 mi toToyahvalemiabove 2.2 FM 1403 SH 154 to 253 9/1/1932 8/31/1941 10 Rio Grande 9/28/1941 Big AgujaCanyon Carrizo-Wilcox 11.8 mi toToyahvalemiabove 2.2 17.9 9/3/1932 9.6 17.9 6/10–11/1964 8 4 6.52 6 .8 9.6 .133 8 USGS(1966) 3 3 6 4 Ogallala Cenozoic Pecos Ogallala 2 3 -- Cenozoic Pecos –4.53 –2.6 –.253 TBWE (1960) –.145 TBWE (1960) .15 .188 USGS(1966) 240 Nueces Nueces R West near Brackettville(08190500) to 239 Nueces Nueces R West BlackwaterHole to discontinued 237 Nueces238 Nueces Nueces R West Nueces R West Brackettville above (08190500)to BlackwaterHole to discontinued 236 Nueces Frio R—[Frio West Stream- Table 1. Table

16 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 3.8 2.533 TBWE (1960) 3 –8.2 .745 TBWE (1960) 12.5 .41 (1960) TBWE –4.0 –.235 TBWE (1960) 97.91 5.934 TBWE (1960) 91.98 4.125 TBWE (1960) 52.0 6.667 TBWE (1960) –27.0 –3.293 TBWE (1960) –35.5 –1.392–12.6 TBWE (1960) –4.345 TBWE (1960) 426.1 5.607 TBWE (1960) –13.6 –1.417 TBWE (1960) –15.4 –1.604 TBWE (1960) –13.5 –6.75 TBWE (1960) –31.2 –12.48 TBWE (1960) 140.0 5.147 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Alluvium, Edwards-Trinity (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) Alluvium, Edwards-Trinity (Plateau) Alluvium, Edwards-Trinity (Plateau) Alluvium Alluvium Alluvium (Plateau) (Plateau) No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 10/18–19/1932 30.5 24 18 Edwards-Trinity 2/7–11/1928 16.5 30 10 Edwards-Trinity 9/15/19329/21/1932 210/7/1932 2 1.5 2 2 2.5 Cenozoic Pecos 2 2 Cenozoic Pecos 2 Cenozoic Pecos Reach identification Davis RR bridge Madera Canyon near Toyahvale Madera Canyon nearToyahvale (08424500) Madera Canyon nearToyahvale (08424500) Madera Canyon nearToyahvale (08424500) name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 269 Rio Grande Little AgujaCanyon 11.2 miToyahvale to 3 mi above 10/6/1932 8.2 5 4 Cenozoic Pecos 266 Rio Grande267 Limpia Cr Rio Grande268 Limpia Cr Rio Grande 14.7 mi40.2 toDavis mi Fort below Limpia 10/8/1932 Cr 15.8 mi18.7 toDavis mi Fort below 8/3/1933 25.5 18.2 mi29.2 toDavis mi Fort below 11/1/1932 9 2.9 11 3 6 5 Edwards-Trinity 3 5 Edwards-Trinity Edwards-Trinity 265 Rio Grande Limpia Cr Fort mi below 18.2 to above mi 12.3 264 Rio Grande Limpia Cr 11.7 mi28.7 toDavis mi Fort below 11/21/1932 17 7 7 Edwards-Trinity 263 Rio Grande Devils R near ComstockSouthern to Pacific 261 Rio Grande262 R Devils Rio Grande R Devils LakeJuno to Beaver (08449000) 8/8–13/1925 DolansCrto near Comstock 76 2/14–20/1928 21 22.3 22 17 Edwards-Trinity 13 Edwards-Trinity 255 Rio Grande Big AgujaCanyon 11.8 mi toToyahvalemiabove 2.2 256 10/6/1932 Rio Grande Cherry Canyon257 9.6 Rio Grande 1.5to mi 2.5 above mi below Cherry Canyon 11258 Rio Grande 1.5to mi 2.5 above mi below Cherry Canyon259 8 Rio Grande 1.5to mi 2.5 above mi below 260 Cenozoic Pecos R Devils Rio Grande R Devils 30 mi Del above Rio mouth to 30 mi Del above Rio mouth to 1/26–28/1921 10/6–7/1921 27.2 5 7.8 4 4 Edwards-Trinity 4 Edwards-Trinity 254 Rio Grande Big AgujaCanyon 11.8 mi toToyahvalemiabove 2.2 9/13/1932 9.6 5 3 Cenozoic Pecos Stream- Table 1. Table

Table 1 17 for data Reference /s-mi) 3 reach mile of Gain or loss per (ft .4 .16 (1960) TBWE /s) –.4 –.167 TBWE (1960) 3 –5.5 –.743 TBWE (1960) –6.8 –1.943 TBWE (1960) –4.6 –.561 TBWE (1960) –1.7 –.128 TBWE (1960) –4.1 –1.139 TBWE (1960) –38.8 –9.7 TBWE (1960) –67.0 –6.837–37.3 TBWE (1960) –3.806–17.5 TBWE (1960) –1.786–23.2 TBWE (1960) –2.829–26.7 TBWE (1960) –3.256–14.3 TBWE (1960) –1.744 TBWE (1960) –11.2 –3.613–18.5 TBWE (1960) –1.796 TBWE (1960) –22.8 –3.081 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Alluvium Alluvium Alluvium (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) (Plateau) Alluvium, Edwards-Trinity (Plateau) Alluvium, Edwards-Trinity (Plateau) (Plateau) (Plateau) No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of Reach identification lateral #2 12/14/1939 2.4 5 4 Cenozoic Pecos High linecanal 12/14/1939 2.5 3 2 Cenozoic Pecos High linecanal 11/24/1939 7.4 7 5 Cenozoic Pecos name Stream system at Fort Fort at system Stockton system at Fort Fort at system Stockton system at Fort Fort at system Stockton river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 286 Grande Rio canal #1 PCWID 285 Grande Rio canal #1 PCWID 284 Grande Rio canal #1 PCWID 282 Rio Grande283 Madera Canyon Rio Grande 13.3 mi toToyahvalemiabove 9.3 Madera Canyon 10/6/1932 13.3 mi toToyahvalemiabove 9.8 9/24/1932 4 3.5 5 5 4 4 Edwards-Trinity Edwards-Trinity 275 Rio Grande276 Madera Canyon Rio Grande277 13.3 mi toToyahvalemiabove 3.5 Madera Canyon 9/2/1932 Rio Grande278 13.3 mi toToyahvalemiabove 3.5 Madera Canyon 9/3/1932 Rio Grande279 13.3 mi toToyahvalemiabove 3.5 Madera Canyon 8/27/1933 9.8 Rio Grande280 13.3 mi toToyahvalemiabove 5.1 Madera Canyon 9/1/1932 9.8 4 Rio Grande281 13.3 mi toToyahvalemiabove 5.1 Madera Canyon 9.8 9/12/1932 4 Rio Grande 13.3 mi toToyahvalemiabove 5.1 Madera Canyon 4 3 9/15/1932 8.2 13.3 mi toToyahvalemiabove 5.1 Edwards-Trinity 4 8.2 9/21/1932 3 3 Edwards-Trinity 8.2 4 Edwards-Trinity 3 8.2 3 3 Edwards-Trinity 5 Edwards-Trinity 3 5 Edwards-Trinity Edwards-Trinity 272 Rio Grande273 Little AgujaCanyon 11.3 miToyahvale tomiabove 8.2 Rio Grande 9/14/1932 Little AgujaCanyon 12.5 miToyahvale tomiabove 2.2 9/1/1932274 Rio Grande 3.1 Little AgujaCanyon 15.5 miToyahvale tomiabove 2.2 10.3 2 8/17/1932 3 2 13.3 11 2 Edwards-Trinity Cenozoic Pecos 10 Cenozoic Pecos 271 Rio Grande Little AgujaCanyon 11.3 miToyahvale tomiabove 7.7 9/20/1932 3.6 6 6 Edwards-Trinity 270 Rio Grande Little AgujaCanyon 11.3 miToyahvale tomiabove 3.9 9/13/1932 7.4 4 4 Edwards-Trinity Stream- Table 1. Table

18 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference /s-mi) 3 reach mile of Gain or loss per (ft .06 .12 TBWE (1960) .12 .171 TBWE (1960) .43 .331 TBWE (1960) .15 .094 TBWE (1960) .26 .325 TBWE (1960) /s) –.44 –.11 TBWE (1960) –.96 –4.8 TBWE (1960) –.02 –.013 TBWE (1960) 8.92 .047 USGS (1966) 0–.08 0 –.08 TBWE (1960) TBWE (1960) 0 0 TBWE (1960) 3 74.97 .387 USGS (1969) –1.0 –.667 TBWE (1960) Total (ft –189.29 –1.02 USGS (1968) –184.8 –.983 USGS (1965) –105.5 –.52 TBWE (1960) loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium, Edwards-Trinity (Plateau) Alluvium Alluvium Alluvium, Edwards-Trinity (Plateau) Alluvium Alluvium No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) 188.05 21188.05 25 11 16 Cenozoic Pecos Cenozoic Pecos (river Reach length study Date of 4/17–19/1967 185.5 23 14 Cenozoic Pecos 3/3–5/1964 5/10–12/1965 2/6–9/1968 193.6 34 19 Cenozoic Pecos Reach identification (08446500) (08446500) (08446500) (IBWC 08447700) north lateral 7/2/1940 4 6 5 Cenozoic Pecos Ikens Estate lateralMoore canal 8/29/1940 11/16/1931 .2 2 .5 2 2 Cenozoic Pecos 2 Cenozoic Pecos Humphrey-Mayer lateral 8/28/1940 .7 4 4 Cenozoic Pecos highway ditch 10/27/1931 1.3 4 3 Cenozoic Pecos Greasy lateral Row lateralcorner Halbert 9/6/1940 8/29/1940 1.5 1.6 5 7 3 4 Cenozoic Pecos Pecos Cenozoic back lateralCarpenter takeoutSpring canalGiffin 8/29/1940 10/27/1931 1 11/18/1931 2.2 4 2 .8 4 2 2 Cenozoic Pecos Cenozoic Pecos 2 Cenozoic Pecos Seven-D canalSeven-D 12/14/1939 1.5 4 3 Cenozoic Pecos lateral #3 12/14/1939 1.8 2 2 Cenozoic Pecos name Stream laterals laterals laterals laterals laterals laterals laterals laterals laterals laterals system at Fort Fort at system Stockton system at Fort Fort at system Stockton river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 303 Rio Grande RCWID #1 canal 301 Rio Grande302 RCWID #1 canal Rio Grande RCWID #1 canal 300 Rio Grande RCWID #1 canal 299 Rio Grande RCWID #1 canal 297 Rio Grande298 RCWID #1 canal Rio Grande RCWID #1 canal 293 Rio Grande294 Pecos R Rio Grande295 RCWID #1 canal Rio Grande RCWID #1 canal Orla (08410000)to Girvin 296 Rio Grande RCWID #1 canal 291 Rio Grande292 Pecos R Rio Grande Pecos R Orla (08410000)to Girvin Orla (08410000)to Girvin 289 Rio Grande Pecos R Angeles (08409500)to Girvin 5/28–30/1918 203 26 18 Cenozoic Pecos 290 Rio Grande Pecos R Girvin(08446500) Comstock to 288 Grande Rio canal #1 PCWID 287 Grande Rio canal #1 PCWID Stream- Table 1. Table

Table 1 19 for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) –.3 –.088 TBWE (1960) –.2 –.08 TBWE (1960) 7.1 .763 TBWE (1960) –.2 –.069 TBWE (1960) 5.9 1.595 TBWE (1960) –.5 –.5–.29 TBWE (1960) –.58 TBWE (1960) 3 –1.2 –.444 TBWE (1960) –2.6 –.897 TBWE (1960) –3.8 –1.118 TBWE (1960) –3.9 –.419 TBWE (1960) –6.38 –.56 (1960) TBWE –2.96 –.47 (1960) TBWE –7.0 –1.273 TBWE (1960) –3.13 –1.361 TBWE (1960) –0.26 –0.065 TBWE (1960) 116.0 1.813 TBWE (1960) –12.41 –1.402 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau) Alluvium Alluvium, Edwards-Trinity (Plateau) Alluvium Alluvium Alluvium Alluvium, Edwards-Trinity (Plateau) Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 9/25–26/1923 6.3 12 6 Cenozoic Pecos 2/6–7/19354/26–27/1923 3.77/27/1922 8.85 7 8 5.5 5 4 8 Cenozoic Pecos Cenozoic Pecos 3 Cenozoic Pecos Reach identification Balmorhea above Balmorhea Reservoir neardiversion, Balmorhea Balmorhea reservoir to main canal 7/26/1933 2.7 2 2 Cenozoic Pecos reservoir to main canalreservoir to main canal 7/26/1932reservoir to main canal 3.4 8/17/1932 6 7/20/1933 2.5 5 2.9 3 Cenozoic Pecos 2 3 2 Cenozoic Pecos Cenozoic Pecos sourceto end reservoir to main canal 7/22/1932 3/13/1933 3.4 9.3 3 11 2 7 Cenozoic Pecos Cenozoic Pecos sourceto end 1/11–12/1933 9.3 13 7 Cenozoic Pecos sourceto 2.9 source mi below sourceto end 3/14/1933 2.9 4 10/27–28/1931 11.4 2 19 Cenozoic Pecos 5 Cenozoic Pecos headgatenearlast to diversion, below San Solomon Sanbelow Springs to to sixth diversion first above headgatenearBarlow to diversion, reservoir takeoutSaragosa canalsiphon ditch 10/27/1931 11/16/1931 1 10/28/1931 2 .5 2 2.3 2 2 Cenozoic Pecos 2 Cenozoic Pecos 2 Cenozoic Pecos north lateral 8/28/1940 4 9 7 Cenozoic Pecos name Stream outlet canal outlet outlet canal outlet canal outlet canal outlet canal canal outlet canal canal canal canal system canal canal laterals laterals laterals laterals river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 321322 Rio Grande Rio Grande Rio Grande Rio Grande Comal to Indio Ranch Del Rio Eagle to Pass 1/13–3/18/1928 2/9–3/3/1926 34 64 3 10 3 4 -- Edwards-Trinity 90.0 2.647 TBWE (1960) 320 Rio Grande RCWID #1 reservoir 317 Rio Grande RCWID #1 reservoir 318 Rio Grande319 RCWID #1 reservoir Rio Grande RCWID #1 reservoir 315 Grande Rio 316 main #1 RCWID Rio Grande RCWID #1 reservoir 314 Grande Rio main #1 RCWID 312 Grande Rio 313 main #1 RCWID Grande Rio main #1 RCWID 311 Grande Rio main #1 RCWID 308 Rio Grande309 RCWID #1 canal Grande Rio 310 main #1 RCWID Grande Rio main #1 RCWID 305 Rio Grande306 RCWID #1 canal Rio Grande307 RCWID #1 canal Rio Grande RCWID #1 canal 304 Rio Grande RCWID #1 canal Stream- Table 1. Table

20 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 5.22.3 .667 TBWE (1960) 2.3 .397 TBWE (1960) 4.9 .23 TBWE (1960) 4.9 .845 TBWE (1960) 1.9 .845 TBWE (1960) 2.5 TBWE (1960) 3 783.0 2.671 TBWE (1960) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major (Plateau) Alluvium Alluvium Alluvium Alluvium Alluvium Alluvium No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 11/6/19321/23/1933 7.83/14/1933 5.8 65/16/1933 10 57/11/1933 4 5.8 810/17/1932 4 Cenozoic Pecos 5.8 7 Cenozoic Pecos 5 .76 7 4 Cenozoic Pecos 4 Cenozoic 4 Pecos 3 Cenozoic Pecos Cenozoic Pecos 4/21/19714/22/1971 2.514/22/1971 4 24/21/1971 3 3 2.4 Hueco-Mesilla Bolson 34/21/1971 3 2 –3.14/21/1971 Hueco-Mesilla Bolson 3 –1.235 3 2.7 USGS(1972) –.6 Hueco-Mesilla Bolson 1.8 4 3 –.3 2.3 3 USGS(1972) Hueco-Mesilla Bolson 3 .958 USGS(1972) 1.81 Hueco-Mesilla 3 Bolson .905 –6.21 Hueco-Mesilla Bolson USGS(1972) –2.3 5.0 USGS(1972) 2.778 USGS(1972) Reach identification Toyahvale Toyahvale Toyahvale Toyahvale Toyahvale Balmorhea (08430000) Unit, Franklin Canal below Ysleta below Drain Franklin Unit, Sorocco Unit, Nemexas Drain near Anthony Canal nearAnthony Unit, West Anthony near Drain West Unit, Unit, East Canal nearAnthony name Stream river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 336 Rio Grande337 Cr Toyah Rio Grande338 Cr Toyah Rio Grande339to 1.2 mi 8.8 above mi below Cr Toyah Rio Grande340to 1.2 mi 8.8 above mi below Cr Toyah Rio Grande341to 1.2 mi 8.8 above mi below Cr Toyah Rio Grande342to 1.2 mi 8.8 above mi below Sandia Cr West 343 Sabine344to 1.2 mi 8.8 above mi below East above Sandia Springat Sabine345 Sabine Lake Fk Cr Sabine Sabine and OldR Sabine and OldR (08030500) Ruliff to IH–10 Sabine R SH 182to80 US (08030500) Ruliff to IH–10 10/31–11/2/1966 9/12–13/1967 5.3 FM 1804 FM 2517 to 5.3 4 8/31–9/1/1981 4 1.6 9/22–24/1981 2 156.4 3 Gulf 3Coast 11 GulfCoast 3 10 Carrizo-Wilcox 27.0 Carrizo-Wilcox –206.0 5.094 –38.868 USGS(1968) USGS(1968) –2.6 127.8 –1.625 USGS(1982b) .817 USGS(1982b) 330 Rio Grande Rio Grande331 Rio Grande Rio Grande Elephant Butte—Mesilla Valley 332 Rio Grande Rio Grande Elephant Butte—Mesilla Valley 333 Rio Grande334 Rio Grande Elephant Butte—Mesilla Valley Rio Grande335 Rio Grande Rio Grande Elephant Butte—Mesilla Valley Rio Grande Elephant Butte—Mesilla Valley LajitasDel to Rio 2/7–20/1925 293.1 11 8 Edwards-Trinity 323324 Rio Grande325 Rio Grande Rio Grande326 Rio Grande Rio Grande327 Rio Grande Rio Grande328 Rio Grande Eagleto Indio Pass Ranch Rio Grande329 Rio Grande Eagleto Indio Pass Ranch Rio Grande Rio Grande Eagleto Laredo Pass Rio Grande Rio Grande Eagleto Laredo Pass 1/12–4/12/1928 Eagleto Laredo Pass 2/2–3/14/1928 18 Eagleto SanYgnacio Pass Elephant Butte—Mesilla Valley 18 2/22–4/12/1928 2 2/22–4/22/1928 128 2/12–22/1926 3 4/3–22/1928 128 167.5 2 6 128 2 22 3 -- 6 6 -- 17 2 -- Carrizo-Wilcox -- 6 -- –336.0 55.0 –2.006 55.0 TBWE (1960) 3.056 TBWE (1960) –10.0 3.056 –25.0 TBWE (1960) –.078 TBWE (1960) –.195 –75.0 TBWE (1960) –.586 TBWE (1960) Stream- Table 1. Table

Table 1 21 for data Reference /s-mi) 3 reach mile of Gain or loss per (ft /s) 3 59.53 .683 USGS (1969) 16.68 .21 USGS (1964) 208.72 .779 USGS (1964) Total (ft loss (-) gain or gain in reach by reachby outcrop(s) intersected Major aquifer Major Coast Coast Coast No. of channel on main on measurement sites ment Total sites ment no. of no. measure- mi) (river Reach length study Date of 10/26/199810/26/1998 3.1510/27/1998 2 3.1510/28/1998 2 3.1510/28/1998 2 2 7.2110/29/1998 Edwards, 2 Trinity 3 7.2110/29/1998 2 Edwards, Trinity 3 7.21 –60.410/30/1998 Edwards, 3 Trinity –19.175 3 7.21 unpublished –66.010/30/1998 3 Edwards, Trinity –20.952 3 3.15 unpublished –61.67/17/1957 3 Edwards, Trinity –19.556 2 7.21 unpublished –98.8 3 Edwards, Trinity –13.703 36/24/1969 unpublished –83.5 8 Edwards, 2 Trinity –11.5816/24/1969 unpublished –56.4 14 3 Edwards, Trinity 18 –7.822 –60.7 unpublished Edwards, Trinity 37.3 10 –8.419 9 –29.4 unpublished 22 -- –9.333 –45.0 unpublished 5 10 –6.241 unpublished Gulf Coast Gulf Coast 12.13 4.2 1.516 9.82 TBWE (1960) .233 .263 USGS (1970) USGS (1970) 1/17–30/1958 56 27 19 Edwards, Trinity –89.2 –1.593 TBWE (1960) 8/31–9/2/1981 80.59/4–5/1963 8 268 6 98 Carrizo-Wilcox 30 Carrizo-Wilcox, Gulf 427.42 5.31 USGS (1982b) Reach identification Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) Blanco Rd (08178593) mouth from Lake Houston Houston station at Selma (08185000) (08030500) Upshur Co line at county road road county at line Co Upshur crossing Cleveland (08070000)Cleveland to upstream northwest of Conroe to Lakeabove name Stream R R river basin Major Characteristics of flow gain-loss studies in Texas—Continued no. flow flow study 351 SanAntonio 352 Salado Cr SanAntonio 353 Salado Cr SanAntonio Rd (08178585) Wilderness Old to 354 Salado Cr San Antonio Rd (08178585) Wilderness Old to 355 Salado Cr SanAntonio Rd (08178585) Wilderness Old to 356 Salado Cr SanAntonio Wilderness Rd (08178585) to Old 357 Salado Cr SanAntonio Rd (08178585) Wilderness Old to 358 Salado Cr SanAntonio Rd (08178585) Wilderness Old to 359 Salado Cr SanAntonio Rd (08178585) Wilderness Old to 360 Salado Cr San Antonio Rd (08178585) Wilderness Old to 361 San Antonio R362 San Antonio Rd (08178585) Wilderness Old to San Antonio R to Hildebrand San Pedro Ave Cr San Jacinto363 East Fk San Jacinto San Pedro Cr to Ashley St BridgeJacinto San 364 Jacinto San Fk West 10/27/1999365 Trinity366 Trinity 17.54 Trinity Big Elkhart Cr Little Elkhart Cr 6R Trinity northwestofGrapeland mouth to south of Grapeland to mouth 9/15–16/1965 5 9/16/1965 25.7 to Liberty Riverside Carrizo-Wilcox 9 17.5 11 9.4 7 11/4–8/1952 -- .536 133.5 5 unpublished 21 -- 5 GulfCoast 5.18 .202 –1.59 USGS(1966) –.091 37.16 USGS(1966) .278 TBWE (1960) 350 SanAntonio Cibolo Cr Selma (08185000) mouth to 3/4–8/1968 87.1 52 27 Carrizo-Wilcox,Gulf 348 SanAntonio 349 Cibolo Cr SanAntonio Cibolo CrBoerne 7.5 mi above gaging to near Randolph AFB to mouth 3/5–7/1963 79.3 18 13 Carrizo-Wilcox,Gulf 347 Sabine Sabine R northeast of Carthage to Ruliff 346 Sabine R Sabine Smith- to (08017410) Point Wills Stream- Table 1. Table

22 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 25'03" Quay23'37" Quay28'48" Hartley15'35" Oldham 10,00052'45" Potter21'02" Hutchinson 3,570 78622'13" -- 14,710 Hemphill18'20" Hansford 15,400 -- -- 8116'31" 134 -- Lipscomb 18,200 19 41 --10'32" 6 -- Deaf Smith 9 44005'57" -- 41 62 475 Randall 0 6253'29" 15 9 Randall -- 6224'49" 538 1904 0 15 Armstrong 0 --42'33" 6 25 1939 Swisher 2,080 0 3525'46" 2000 -- 1960 Briscoe 41 62 056'25" 711 35 -- 930 37 Hall -- 1969 --55'00" 20 2 Hall -- -- 197544'43" 1968 2000 -- 65.0 1939 -- 20 Hall 0 1973 6 --46'13" 190 1977 39 1964 1939 Hall --26'10" 13 2000 2000 33 1,580 1946 Hall 0 1989 020'00" -- 1941 Childress -- 33 1 32 53420'21" 1962 2,020 Childress -- 194115'08" 6 2000 22 32 2000 Childress 12 139 --11'37" 0 -- 2,520 Childress -- 9 7 65.5 -- 1973 0 1925 66.6 1968 -- 1 7 17 142 -- -- 1926 13 196853'30" 2,960 -- Donley 1942 -- 1949 1973 16 1 1341'46" Donley -- 2000 -- 8 9 1965 013'14" -- 13 Collingsworth 2 1974 1973 1 0 8 9 1986 1,010 1940 436'32" 457 35 2 Gray 0 -- 1964 1950 74 13 4 0 0 -- 1980 -- -- 1962 1969 0 1980 22 -- -- 1975 1925 48 1950 0 4 460 1975 -- -- 15 1981 1966 3 -- 1975 4 1982 1946 1979 -- -- 33 2000 3 1976 0 1978 13 1953 0 1968 0 1961 2000 -- 2000 13 -- 1964 -- 2000 1968 1980 L L L L L L L L L L L L L L L L L L L L L L L L L L L L 44'03" Hardeman44'24" Hardeman 3,550 30330'30" -- Greer -- 22 18 38 1,360 38 4 -- 0 1961 63 1979 1963 63 1982 -- 2000 0 1938 -- 2000 L L L Red R Basin Red R 21'25" 103 20'29" 103 40'03" 102 31'08" 102 28'13" 101 39'53" 101 56'06" 100 12'08" 101 14'19" 100 50'55" 102 55'27" 102 00'38" 101 50'15" 101 33'34" 101 32'36" 101 37'40" 100 40'30" 100 34'23" 100 32'27" 100 34'20" 100 34'20" 100 33'33" 100 35'26" 100 34'09" 100 24'47" 99 21'16" 99 00'10" 100 56'08" 100 57'27" 100 51'30" 99 19'45" 100 Arkansas R Basin (Canadian R) L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active and for discontinued streamflow-gaging stations in Texas Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued Table 2 , square miles; R, River; --, not applicable; Cr, Creek; nr, near; Fork, Fk; trib, tributary; FTW, Fort Worth] Fort FTW, Fk; tributary; trib, Fork, near; Creek; nr, applicable; not --, Cr, square , miles;River; R, no. 2 Station 07299670 Groesbeck CratSH 6 nr Quanah, TX07299850 Salt Fk Red R nrClarendon, TX07301200 McClellan Cr nr McLean,TX 34 35 35 07227100 Revuelto Crnr Logan, NM07227448 Punta DeAgua Cr nr Channing,TX 07227470TX Canadian R at Tascosa, 07227500 Canadian R nr Amarillo, TX07227920 TX Dixon Cr nrBorger, 07228000 Canadian R nr Canadian, TX07233500 DuroCr Palo nr Spearman, TX 07235000 Cr at Lipscomb, TX Wolf 07296100 Blanca Tierra CrLakeBuffaloTX below nr Umbarger, 35 07297500 Fk Red Prairie RDog nr Town Canyon, TX07297910 35 Fk Prairie Red RDogTX nr Town Wayside, 07298000 TXDraw at reservoir nrTulia, North Tule 07298200 35 CrTX nr Silverton, Tule 34 35 07298500 Fk Red Prairie RDog nr Town Brice, TX07299000 Mulberry Cr nr Brice, TX 35 35 07299200 36 Fk TX PrairieRed RDog nr Town Lakeview, 07299300 TX Little Red R nr Turkey, 35 07299500 36 34 Fk Red Prairie RDog nr Town Estelline, TX07299512 Jonah Cr at weir nr Estelline,TX 07299514 34 Jonah weir Cr below nr Estelline, TX07299530 Salt Cr nr Estelline, TX07299540 34 Fk Red Prairie R Dog nr Town Childress, TX07299570 34 Red R nr Quanah,TX 34 34 07299890 Lelia Lake Cr below Bell Cr nrTX Hedley, 07300000 34 TX Salt Fk Red R nrWellington, 07300500 Salt Fk Red R at Mangum, OK 34 34 34 34 34 34 34 34 34 07227000 Canadian R at Logan, NM07295500 Tierra Blanca Cr above Buffalo Lake nr TXUmbarger, 35 34 Table 2. Table 2. Table [mi Footnotes at end of table.

Table 2 23 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 14'29" Wheeler07'14" Wheeler07'03" Floyd17'05" Cottle 70318'03" Cottle 26712'38" Cottle04'24" -- Cottle 35.0 1,430 -- 27 1,020 -- 38 1,060 -- 27 2,20003'52" -- 38 14 Cottle -- 6 0 1404'29" -- 6 King 0 6 3 1965 6 35 0 540 1963 -- 313'04" 35 0 King --12'31" 1946 1991 0 King --12'31" 50.3 -- 2000 1974 0 King 000'49" 1974 -- King 27 -- 1959 1980 -- 239 1961 27 1979 -- 223 -- 4 1979 223 -- 1982 0 2000 4 499 -- -- 6 1962 14 -- 0 -- 6 15 14 2000 1997 15 9 -- 0 0 9 0 2000 1971 1985 0 -- 1986 -- -- 1976 1971 2000 2000 -- 1979 L L L L L L L L L L L L L 43'47" Foard16'40" Wilbarger31'53" Wichita56'48" 2,930 2,480 Foard 14,60057'44" -- -- Foard47'10" -- Knox 30 20 591 40 30 20 161 40 -- 93748'02" 0 0 Knox23'18" -- 6 0 Baylor08'33" 1961 -- 1925 Baylor 650'20" -- -- 6 1961 Wichita 4054'17" -- 2000 Wichita 1946 6 58432'00" 1,870 40 0 Wichita 2000 17'47" 2,090 2,182 Clay36'46" -- 1971 -- 0 0 Archer14'23" 652 -- -- 3,140 Clay05'05" 40 -- 23 1971 1961 Clay 1976 04'05" 41 40 -- 23 -- 3,440 -- Montague56'03" -- 4 481 0 Jefferson 1976 09'35" 40 2000 1,040 0 0 Cooke -- 62 050'51" 1,350 -- Grayson 41 0 178 22,800 0 1961 33 -- 1961 4 -- 57 -- 24,800 -- -- 40 -- 0 -- 62 47 13 -- 2000 26.0 2000 6 1960 13 -- -- 36 62 33 2000 -- 44 -- 1997 0 29 0 60 2000 1961 34 -- 1939 2000 1933 2000 8 6 6 7 62 1946 1954 1968 2000 8 2000 1967 -- 54 2000 1965 -- 1994 0 1960 1937 2000 1938 1965 2000 1943 1969 1996 -- 1976 L L L L L L L L L L L L L L L L L L L L Red R Basin—Continued 15'51" 100 28'23" 100 14'24" 101 16'30" 100 12'31" 100 11'28" 100 13'39" 100 05'45" 99 10'45" 99 06'36" 98 57'02" 100 52'12" 99 47'45" 100 51'12" 99 49'14" 99 37'29" 100 37'19" 100 37'19" 100 39'18" 100 38'39" 99 42'01" 99 45'36" 99 52'09" 98 54'21" 98 54'34" 98 03'11" 98 39'45" 98 49'36" 98 48'46" 98 53'55" 98 52'43" 97 43'40" 97 42'08" 96 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 07308200 TX Pease R nrVernon, 07308500 Red R nr Burkburnett, TX07311600 North R nr Paducah, Wichita TX07311630 MiddleR nr Guthrie, Wichita TX07311700 North R nr Truscott, TX Wichita 07311780 R nr Guthrie, South Fk Wichita TX07311900 TXR nr Seymour, Wichita 33 07312100 34 34 R nr Mabelle, TX Wichita 07312130 33 R Wichita at SH 25TX nr Kamay, 07312200 Cr nr Electra, Beaver TX07312500 R Wichita at Wichita Falls, TX 33 33 07312700R nr Charlie, Wichita TX 07314500TX Little R nr Archer Wichita City, 07314900 LittleHenrietta, R above Wichita TX07315200 East Fk Little R nr Wichita Henrietta, TX 07315400 Little R nr Ringgold, Wichita TX 07315500 OK Red R nr Terrall, 07316000 Red R nr Gainesville, TX07316200 33 33 Mineral TX Crnr Sadler, 33 33 33 33 33 33 34 33 33 33 33 07301410 SweetwaterCr nr Kelton, TX07307500 QuitaqueCr nr Quitaque, TX07307600 North Pease R nrChildress, TX 07307750 Middle Pease R nr Paducah, TX07307760 Middle Pease R nr Paducah, TX07307800 Pease R nrChildress, TX 07308000 Pease R nrCrowell, TX07311622TX R nr Crowell, North Fk Wichita 35 07311648 34 TX R nr Truscott, Middle Fk Wichita 34 34 34 07311782flow dam nrGuthrie, R at South low Wichita TX07311783 dam nrGuthrie, flow TX low R below South Wichita 07311790 R at South Ross Ranch Wichita 34 nr Benjamin,TX 07311800 R nr Benjamin, South Wichita TX 34 33 33 33 33 33 33 07301300 North Fk Red R nr Shamrock,TX 35 Table 2. Table Footnotes at end of table.

24 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 33'47" Grayson12'52" Fannin32'40" Lamar30'06" 33,800 Lamar15'55" Red R59'41" -- Red R 72.041'39" 175 38,600 Bowie02'28" 69 -- Miller54'50" 19 Hunt --51'45" -- 75.4 22 100 41,400 Hunt54'55" 19 -- 22 Hunt 50 42,100 6935'41" Delta --35'15" -- 13 0 11 1924 Lamar03'44" 150 -- 0 15 Titus 1944 31 1110'22" 189 57 19 2000 Red R05'33" 64 15 1964 -- 44.1 0 Titus 52737'00" -- -- 1906 0 -- 7 276 Bowie09'03" -- 1944 9 1,370 0 31 Bowie 1985 16'12" 2000 12 -- 1970 1968 57 Franklin --11'03" 69.0 9 1986 9 12 -- 1963 -- -- Franklin52'55" 494 58 2,770 -- 1937 51 -- Camp 947'15" 1980 3,440 49 0 1968 44 1944 Morris 029'55" 51 1977 -- 1998 -- 27.2 2000 11 Marion 3521'26" -- 0 23.4 1992 9 Marion 1980 1145'03" 50 -- 33 0 -- 366 Upshur --20'45" -- 1992 9 22 33 6 1943 Marion 72.017'24" 17 2000 0 -- 850 1950 1991 1992 Cass -- 22 0 1957 365 28 -- 2000 -- 004'36" 0 2000 1964 22 1992 383 -- Hunt 4115'11" 2000 2000 -- 675 1951 34 -- 6 Hunt 1755'09" 1924 21 56 1973 -- Zandt Van 34 047'56" -- 1974 2000 48.0 32 -- -- Rains -- 3336'36" 20 36 1956 Zandt Van 1979 32 -- 0 77.7 756 54 1980 1975 36 -- 23 1944 78.7 1985 1991 54 -- 26 1944 0 1970 2000 -- 888 91.4 1925 -- 1989 0 -- 26 41 1958 1969 0 -- 30 2000 41 1977 -- 41 1964 -- 0 41 0 1947 -- 5 21 2000 -- 0 1966 1999 30 5 8 0 -- 2000 1960 -- 1991 1960 13 -- 0 -- 1971 2000 1953 1969 2000 2000 1961 -- 1973 1973 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Sabine R Basin R Sabine Red R Basin—Continued 49'08" 96 28'32" 96 51'09" 95 52'32" 95 50'26" 95 41'07" 94 40'59" 94 33'07" 94 12'42" 95 13'11" 95 15'59" 95 21'23" 95 28'29" 95 23'26" 95 32'51" 95 19'20" 95 15'00" 94 18'20" 94 01'24" 95 58'32" 95 01'15" 94 02'10" 94 44'58" 94 46'40" 94 40'21" 94 42'46" 94 03'14" 94 07'58" 96 53'52" 96 48'22" 95 46'23" 95 40'20" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 07332600 Boisd'Arc Cr nr Randolph, TX07335400 Sanders Crnr Chicota,TX 07335500 TX RedArthur R at City, 07336750 Little Pine Cr nrKanawha, TX07336800 PecanBayou nr Clarksville, TX07336820 Red R nr DeKalb, TX07337000 RedIndex, R atArkansas 07342465 South SulphurRCommerce, at TX07342470 South SulphurR nr Commerce,TX 07342480 Middle Sulphur R at Commerce, TX07342500 SouthTX SulphurR nr Cooper, 33 07343000 North Sulphur R nr TXCooper, 07343200 Sulphur TX R nr Talco, 07343300 33 Cuthand Cr nr Bogata, TX07343500 33 33 TX White Oak Cr nrTalco, 33 07344000 Sulphur R nr Darden, TX07344210 Sulphur R TX nr Texarkana, 33 07344482Cypress Big TX Cr nrWinnsboro, 33 07344486 33 33 Brushy Cr at Scroggins, TX 33 07344500Cypress Big TX Cr nrPittsburg, 07345000 Boggy Cr nr Daingerfield, TX 33 07346000Cypress Big TX Cr nrJefferson, 33 07346045 Black Cypress BayouJefferson,TX at 07346050 Little TX Cypress CrnrOre City, 07346070 Little Cypress Cr nr Jefferson, TX 33 07346140 33 Frazier Cr nr Linden, TX 33 33 33 33 08017300 South Fk Sabine R nr Quinlan, TX08017410Point,TX Sabine R nr Wills 33 32 08017500TX Sabine R nr Emory, 08018200 32 33 Grand Saline CrnrGrand Saline,TX 32 32 32 33 32 32 32 32 07331600 RedDenison R at Damnr Denison, TX 33 08017200 Fk Sabine Cowleech TX R at Greenville, 33 Table 2. Table Footnotes at end of table.

Table 2 25 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 29'08" Wood37'18" Hopkins27'46" Wood12'23" Wood05'29" 1,360 Upshur57'36" 33.1 Gregg57'14" -- 585 Gregg46'50" -- 2,259 Gregg54'11" 53 231 Gregg --42'35" 11 2,790 -- 20 Gregg46'54" 11 -- Rusk 6243'41" 48.9 2,950 -- 3 33 Rusk43'57" 41 61 -- Rusk 042'00" 75.8 3,160 0 68 -- 1940 23 Gregg21'12" 21 28 -- 1979 Panola 1968 829'29" 20.3 -- 2000 8 3 Panola -- 3822'31" 1925 47.9 8 13 40 Panola05'31" -- 8 1980 62.7 1989 5 -- 120 Panola 1940 1300'22" 2000 -- 3,590 1933 Shelby 196305'02" -- 0 3 0 148 1998 2000 0 1961 Shelby --44'41" 3 -- 2000 0 2000 134 Sabine 350'08" 1969 3 1925 5 -- Sabine 3 82.640'35" 4,840 -- 9 62 1964 -- -- Newton 333'57" 0 -- 22 -- 22 -- 1976 9 Newton 97.831'10" 6,510 -- 0 1932 25 Newton36'30" 1976 0 1979 0 11 123 -- 40 1996 Newton47'07" 64 0 0 -- 1979 2000 -- 18.0 11 7,180 Newton54'28" 1979 -- 22 57 28 1939 -- 7,480 Jasper 198144'37" 29 1940 -- -- 25 1961 28 8,230 Newton 198154'30" -- -- 0 2000 -- 22 13 Orange 7 1981 -- 128 -- 5 1948 2936'19" 13 -- 1963 0 1975 Henderson 9,330 1904 4525'40" 7 69.2 1996 5 -- 1959 -- 0 Cherokee 77 1961 1983 10 1953 0 1967 -- 83.3 1924 1973 -- 42 -- 48 232 0 29 1960 35 1953 -- 31 48 1966 851 1980 76 35 -- 1975 -- -- 31 42 1956 34 -- -- 1965 0 1924 1966 27 1972 34 2000 1979 2000 34 1966 0 27 1953 2000 3 0 -- 1925 1953 3 0 1967 -- 2000 1953 2000 1983 -- 1963 0 -- 1986 1925 1989 -- 1927 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Neches R Basin Sabine R R Basin—Continued Sabine 36'49" 95 59'26" 95 45'47" 95 33'35" 95 36'14" 95 31'37" 94 28'45" 94 28'00" 94 23'17" 94 25'00" 94 14'02" 94 18'18" 94 19'14" 94 20'00" 94 19'38" 94 17'44" 94 02'54" 94 13'54" 94 58'20" 94 45'56" 94 28'01" 93 23'10" 93 09'23" 93 10'25" 93 03'50" 93 44'49" 93 49'08" 93 25'52" 93 18'13" 93 11'10" 93 18'34" 95 01'30" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08018730TX Cr Burke nr Yantis, 08019000 Lake Fk Cr nrQuitman, TX08019200 Sabine R nr Hawkins, TX08019500 TXSandy Big Cr nrBig Sandy, 08020000TX Sabine R nr Gladewater, 08020200 Prairie TX Cr nrGladewater, 08020500TX Sabine R nr Longview, 08020700 Rabbit Crat Kilgore, TX08020900 TX Sabine Longview, R below 08020960 Mill Cr nr Henderson, TX08020980 Mill TXCr nr Longview, 08020990 TX Cr nrLongview, Tiawichi 08021000 Cherokee Bayou nr Elderville, TX 32 32 08022040 Sabine R nr Beckville, TX 32 08022070 32 TX Martin Cr nr Tatum, 08022300 TX Bayou Murvaul nr Gary, 32 08022400 SocageeCr 32 nr Carthage, TX08022500 SabineLogansport, R at LA08023200 32 Cr nr Shelbyville, TX Tenaha 08024400 32 Sabine R nr Milam, TX 32 08024500 Palo Gaucho Bayou nr Hemphill, TX08025307 32 Mill Cr nr Burkeville, TX08025360 32 32 Bend ReservoirnrBurkeville, Sabine TXToledo 32 R at 08026000 Sabine TX R nr Burkeville, 08028500 TX Sabine R nr Bon Wier, 08029500 32 Big Cow Cr nr Newton, TX08030000 Cypress Cr nr Buna, TX 32 32 08030500 31 Sabine R nr Ruliff, TX 32 08031000 Bayou Cow nr Mauriceville, TX 31 31 31 08031500 Neches R nr Reese, TX 31 31 31 30 30 30 30 30 32 08018500 Sabine R nr Mineola,TX 32 08031200 KickapooCr nr Brownsboro, TX 32 Table 2. Table Footnotes at end of table.

26 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 25'50" Anderson09'55" Cherokee48'35" Polk05'11" 1,150 Trinity23'55" 1,950 Tyler59'35" -- Cherokee49'23" -- 2,720 Rusk09'38" 61 Cherokee 79.005'19" 34 3,640 22 Cherokee 146 --57'24" -- 17 Cherokee43'34" -- 48 Angelina 39 37638'28" 158 -- 28 Nacogdoches 475 1716'06" 24 1,280 95 28 1940 San Augustine18'15" -- -- 9 1,600 56 Nacogdoches 1945 196217'40" -- 31.3 24 -- 2000 Angelina 75.3 9 1962 4009'03" 25 0 1978 -- San Augustine 503 -- 3909'07" 1924 3 25 42 -- 9 Jasper09'03" 1962 1962 0 2,890 51 27 Tyler 89.0 3 1904 1985 05'35" -- 1 -- 31 2 Jasper 28 015'48" 1962 27 1941 -- -- 2000 Hardin 1989 4620'04" 41 3,490 0 2 -- 1940 1965 Hardin 23 46 26 7,570 0 13 1949 --17'53" 1949 1943 7,950 1925 -- 1979 26 Jack 13 004'49" 1924 1960 -- 1965 1989 860 -- 0 Jack48'09" 2000 1957 30 -- 336 -- Wise 1979 193945'21" 1927 0 0 49 22 1925 Wise -- --40'42" 1993 81 -- -- Wise33'30" 1960 0 1952 21.6 1940 31 64 Wise34'58" 8 683 -- 1985 -- 1,110 33 Parker24'54" 64 -- 49 1,150 Tarrant 50 1985 39'06" 33 1964 1929 -- -- Parker33'51" 312 24 1965 -- 0 1,730 -- 1905 Parker 1973 26'30" 44 15 0 Tarrant 1951 5 2,070 75.6 -- 1952 1925 17 14 2000 -- 2000 1968 -- 0 121 -- 9 14 64 -- -- 53 251 27 2000 19 431 1957 -- 5 10 5 2000 0 0 1957 -- 1972 5 45 -- 1980 9 1974 -- 8 1916 53 2000 28 -- 1937 53 0 1985 0 1 -- 9 1956 1989 1929 5 2000 1996 1925 8 1948 19 2000 -- 1934 48 1934 -- 1948 2000 1948 1957 1981 1975 1953 2000 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Trinity R Basin Trinity Neches R Basin—Continued 53'32" 95 34'45" 95 07'58" 94 08'25" 95 01'29" 94 00'10" 94 51'36" 94 58'35" 95 53'21" 95 40'10" 94 27'26" 94 36'58" 94 35'48" 94 30'15" 94 12'41" 94 23'46" 94 00'54" 94 47'27" 94 21'20" 94 23'52" 94 06'21" 94 16'57" 98 17'30" 98 12'07" 97 12'05" 97 16'27" 97 05'07" 97 56'44" 97 47'27" 97 44'25" 97 38'28" 97 39'54" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08032500 Neches R nr Alto, TX08033000 Neches R nr Diboll, TX08033300 Piney Cr nr Groveton, TX08033500 Neches R nr Rockland, TX08033700 Striker Cr nr Summerfield, TX08033900 East Fk Angelina R nrCushing, TX08034500 Mud Crnr Jacksonville, TX08035000at Mud Cr Ponta, TX 08036500 AngelinaR nr Alto, TX08037000 AngelinaR nr Lufkin,TX 08037050 Bayou LaNana at Nacogdoches, TX08037500 Arenoso Cr nr San Augustine, TX08038000 Attoyac Bayou nr Chireno, TX08038500 31 AngelinaR TX nr Zavalla, 31 08039100 31 Bayou nr San Augustine, TX Ayish 31 08039500 31 32 Angelina R TXat Horger, 08040600 TX Bluff, NechesRnr Town 08041000 Neches R at Evadale, TX 31 08041500Cr nr Kountze, TX Village 08041700 Pine IslandBayou nr SourTX Lake, 31 31 31 31 31 08042800nrR Jacksboro, TX Fk Trinity West 08043100 31 atR Bridgeport, Fk Trinity TX West 31 08043500atR Bridgeport, Fk Trinity TX West 08043950 31 Sandy Big Cr nrChico, TX08044500Rnr Boyd, Fk Trinity TX West 08044800 31 Crat Reno, TX Walnut 30 08045500 TX Dam FTW, above Rat LakeWorth Fk Trinity West 30 08045850 TX Clear R nrWeatherford, Fk Trinity 30 08046000 30 Clear R nrAledo, Fk Trinity TX 08047000 Clear R nrBenbrook, Fk Trinity TX 33 32 33 33 33 33 32 32 32 32 08032000 Neches R nr Neches, TX 31 08042700 North Cr nr Jacksboro, TX 33 Table 2. Table Footnotes at end of table.

Table 2 27 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 21'31" Tarrant19'56" Tarrant21'48" Tarrant19'16" Tarrant19'44" 518 Tarrant 2,62019'11" Tarrant17'21" -- 16.8 Tarrant17'18" -- 17.7 Tarrant14'54" -- 77 Tarrant17'28" 80 Yes .97 28 Tarrant 2,69015'53" 1.35 Yes 0 8 Tarrant13'00" 7 Yes Tarrant 4810'19" 2.15 -- 7 7 7 52.8 80 Tarrant59'42" 7 Yes 12.3 Dallas 192507'44" 24 7 Yes 7 -- 84.5 1 Tarrant02'20" 1953 8 0 Yes 126 0 2000 14 Brooks07'22" -- 0 1921 1951 8 26.6 Dallas01'23" 14 8 1970 3,070 0 2000 -- 24 1958 Dallas06'06" -- 11 1970 -- 1958 8 29.6 Tarrant58'00" 1970 0 -- 0 -- 11 -- 1976 Dallas 455'32" 1.73 -- -- 1 Dallas22'57" 25.5 1969 1976 0 Yes 75 4 1960 119 1977 Cooke 1976 09'22" 0 -- 1 12 2000 -- -- 62.8 Cooke 605'05" 5 1969 12 273 Denton 1976 -- 056'49" 1990 1973 -- -- 298 5 0 Cooke 248'25" 69 -- 24 1976 Denton 1926 -- 46.000'45" 0 40 2 174 1994 2000 Denton -- --02'49" 1926 0 0 381 40 -- -- Denton10'45" 1968 1932 8 1929 40 2000 Denton -- 38.802'42" 0 -- 1983 1994 24 17 -- 8 29.2 Denton49'25" 0 -- 0 266 -- 15 1979 Collin 198653'33" 0 692 -- -- 35 Denton 1987 08'30" 15 -- 1961 0 295 40 15 -- Denton 1,08057'39" 4 -- 17 1961 -- 1987 8 Denton 15 1925 1984 -- 35 0 -- 2000 46.7 -- -- 31 -- 8 75.5 35 7 0 129 1961 1986 51 -- 1932 1,670 2000 1950 1957 2 0 -- -- 0 31 1973 0 1986 1954 -- 10 2 1984 2000 -- 41 -- 1993 7 20 1950 0 -- 2 9 2000 51 -- 0 -- 1950 10 2000 0 0 1984 1981 32 1925 2000 1986 -- -- 1992 51 2 1957 1926 1966 1967 -- -- 2000 1976 1950 1986 2000 1987 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Trinity R Basin—Continued Trinity 43'56" 97 45'39" 97 48'16" 97 39'55" 97 41'08" 97 41'18" 97 45'06" 97 46'34" 97 48'26" 97 48'33" 97 36'12" 97 42'00" 97 42'50" 97 45'46" 96 54'48" 97 52'02" 97 29'27" 97 35'03" 97 34'51" 97 42'20" 96 44'51" 96 36'36" 97 37'27" 97 23'11" 97 33'16" 96 31'34" 96 24'23" 97 21'01" 97 20'10" 97 15'02" 97 21'55" 96 17'00" 96 09'06" 97 02'44" 96 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08048000 TXat R FTW, Fk Trinity West 08048500 TX Marine Cr at FTW, 08048520 TX Sycamore Cr at IH–35,FTW, 08048530TX Sycamore Seminary Cr tribabove SouthShopping FTW, Center, 08048540 32 TX Sycamore Cr tribat IH–35, FTW, 08048543 TX RFk at Trinity Beach St, FTW, West 08048600 TX Dry Branch at St, FTW, Fain 08048800 Big Fossil Cr at HaltomTX City, 08048850 TX Little Cr at Fossil MesquiteSt, FTW, 08048970 Cr Village at Everman, TX08049000 TXCr nr Handley, Village 32 08049240 Rush Cr Park atBlvd, Woodland Arlington, TX08049500 32 Fk RTrinity at Grand West Prairie, TX08049550 32 32 Big Bear Cr nr Grapevine, TX08049565 32 Branch at Trigg Dallas-FTW Airportnr Euless, TX08049580 TX MountainCr nr Venus, 08049600 32 Mountain 32 Cr nr Cedar Hill, TX08049700 32 Cr nr Mansfield, Walnut TX 32 08050000 MountainCr nr Grand Prairie, TX08050100 MountainCrGrand at Prairie, TX 32 08050300TX R nr Muenster, ElmFkTrinity 32 08050400 32 Elm R atFkTrinity Gainesville, TX 08050500 32 TX ElmR nr Sanger, FkTrinity 08050800 TX Collinsville, nr Cr Timber 08050840 32 RangeCr nr Collinsville,TX 08051000 Isle Du Bois Cr nr Pilot Point, TX08051130 R nr Pilot ElmFkTrinity Point, TX 32 08051500 32 Clear TX Cr nr Sanger, 08052000 32 R nr Denton, ElmFkTrinity TX 32 08052650 32 Little ElmCr nr Celina, TX08052700 33 Little TX ElmCr nr Aubrey, 33 08052780 Hickory Crat Denton, TX 08053000 R nr Lewisville, TX ElmFkTrinity 33 33 33 33 33 33 33 33 33 33 33 08047500 TX Clear R at FTW, Fk Trinity 32 Table 2. Table Footnotes at end of table.

28 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 55'27" Denton17'25" Denton12'17" Denton00'45" Tarrant56'39" 14.7 Dallas51'13" 400 Dallas48'08" 621 -- Dallas49'18" 705 -- Dallas48'19" 2,460 -- 3 Dallas45'23" 51 -- Dallas43'32" 10.0 3 -- 20 15 Dallas43'49" 6,110 7.98 Yes 43 20 Dallas44'08" 93 Yes 0 Dallas 3640'11" 29.4 16 5 -- 44 Dallas45'21" 66.4 36 0 16 Yes 100 1986 Dallas 195039'27" 98 38 18 Yes 122 49 -- Collin36'31" 1965 18 6,280 1924 28 Yes 2000 0 Collin35'44" 35 1948 -- 18 1989 18 Yes 1908 Collin28'58" 17 35 1953 9.03 -- 70 1964 1952 Collin 1955 28'32" 52.8 1990 17 1952 Yes 2000 0 0 -- Collin28'32" 39.0 43 Yes 1970 1903 164 0 0 Collin28'31" 21 1991 1979 190 1962 1931 -- Collin 0 1730'20" 10 21 2000 1962 -- Rockwall -- 1736'51" 83.1 10 22 113 -- Dallas -- --35'43" 43 1979 324 -- 0 25 Dallas --30'12" 0 2000 773 0 26 Kaufman 840 1963 --34'12" -- 0 1979 25 1976 Dallas 1963 --29'06" 22 5 1979 120 1970 25 -- Kaufman -- 195827'46" -- 0 1,120 25 2000 -- Kaufman08'36" 31.6 4 -- 2000 3 21 36 Henderson -- 3006'20" 25 1979 1,260 Yes -- -- 4 Henderson06'57" 23.0 29 1952 0 8,150 1950 22 32 Kaufman19'44" 34 1,010 1973 -- Yes 1976 27 1955 -- Kaufman 8,540 32 2000 0 34 1975 1950 36 -- 1 11 0 -- 1976 51 1953 189 2000 1950 -- 11 1974 62 -- 0 1925 0 233 17 4 -- 27 1954 36 -- 0 1954 1954 1969 0 1959 0 1953 -- 1989 -- 47 -- 0 -- 24 62 1969 17 24 2000 1974 1950 1992 6 -- 36 2000 -- 1954 8 -- 2000 1979 18 -- 1925 16 1966 2000 1982 1964 1965 2000 1964 1970 1987 1972 1987 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Trinity R Basin—Continued Trinity 01'06" 96 07'08" 97 02'24" 97 59'13" 97 57'57" 96 51'37" 96 48'26" 96 46'29" 96 58'13" 96 53'21" 96 48'31" 96 45'57" 96 42'26" 96 42'17" 96 34'42" 96 16'42" 96 14'38" 96 12'13" 96 17'40" 96 11'35" 96 01'23" 96 01'25" 96 55'25" 96 57'35" 96 49'58" 96 46'27" 96 43'32" 96 38'19" 96 25'35" 96 14'16" 96 08'05" 96 30'18" 96 30'48" 96 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08053500 DentonCr nr Justin, TX08054000 DentonCr nr Roanoke,TX 08055000 DentonCr nr Grapevine, TX08055500 R nr Carrollton, ElmFkTrinity TX 08055700 Bachman Branch at Dallas,TX 08056500 Crat Dallas, Turtle TX08057000 R at Dallas, Trinity TX 08057100 White Rock Cr at Keller Springs Rd, Dallas, TX08057200 White Rock Dallas,Cr Greenville at TX Ave, 08057300 White RockCr White at RockLake, Dallas, TX08057400 White RockCrScyene at Rd, Dallas,TX 08057410 Dallas, R below TX Trinity 08057445 Prairie Cr at US 175, Dallas, TX 33 32 08057450 33 Cr at342 SH at Lancaster, TX Tenmile 32 32 08058500TX Honey Cr nrMcKinney, 32 08058900 32 East Fk R TXTrinity at McKinney, 32 08059000 TXRnr East McKinney, Fk Trinity 08059400Crnr Sister Grove Blue Ridge, TX08059500 32 32 Sister CrGrove nr Princeton, TX08060000 32 PilotRabove TX Grove, East Fk Trinity 08061000Rnr TX East Fk Trinity Lavon, 08061500Rnr East Rockwall, Fk Trinity TX 32 08061540 Rowlett Cr nr Sachse,TX 32 32 08061700 Duck Cr nr Garland, TX08061750TX Rnr Forney, East Fk Trinity 33 08061950 South MesquiteCrMercury at Rd nr Mesquite,TX 33 33 08062000Rnr Crandall, East Fk Trinity TX 08062500 33 33 TX R nrRosser, Trinity 08062650 Cedar 33 Cr Reservoir spillwaynr outflow TX Trinidad, 08062700TX R at Trinidad, Trinity 08062800 CedarCrTX nr Kemp, 32 33 08062900 32 Cr Kings nr Kaufman, TX 32 32 32 32 32 32 32 32 32 08053010 Indian Cr at Hebron Pkwy at Carrollton, TX 33 Table 2. Table Footnotes at end of table.

Table 2 29 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 06'33" Kaufman10'05" Kaufman01'43" Henderson03'45" Henderson 11840'52" Navarro 73343'02" Limestone 27.425'16" 1,010 -- Navarro38'24" -- -- Ellis31'12" 333 -- 1 Navarro 17.622'14" 27 1 Navarro 105'50" 734 27 -- 6 -- Freestone17'37" 1 Freestone52'07" 0 178 807 40 -- 0 16 0 Anderson47'21" 963 1,960 Anderson 0 253'17" 5 49 -- 1983 -- 6 1939 142 Leon39'22" ------23 1983 -- 207 Houston 12,80041'57" 38 37 11 17 -- Madison --56'07" -- 1983 45 10 1965 26 Madison 0 046'39" -- 1961 -- 1957 13,900 1966 1983 21 Walker 3223'55" 150 0 1963 1971 14,500 1962 1940 Walker 2000 2722'40" 37 1972 17 77 32 -- 24 1963 Trinity05'18" 112 10 27 -- -- 1988 0 Polk --57'31" -- 37 321 15,600 0 1940 Polk56'55" 38 -- -- 31 0 1961 Polk 77 1964 198446'46" 0 38 1984 222 1969 14 -- 2000 2000 Liberty --59'06" 1973 13 1963 -- -- 1982 San Jacinto51'02" 37 13 57.0 33 -- 45 -- 17 Liberty 0 141 2000 16,800 1924 3359'08" 30 -- -- 1989 152 2000 16 38.8 1940 Liberty 1963 0 -- -- 17,200 195432'34" -- 16 1964 34 15 0 -- 1970 -- Montgomery 2000 48'35" 1964 37 34 34 2000 Montgomery --27'25" -- 1924 1968 23 0 34 37 Montgomery 64.9 451 0 1954 -- 1976 23 76 34 0 1968 40.4 1967 -- 828 2000 -- 29 0 34 -- 1967 -- 0 20 0 21 -- 1964 -- 1985 47 -- 20 1967 2 -- 1967 2000 0 64 -- 1925 1967 -- 2 2000 2000 0 36 1954 21 1989 2000 2000 1972 0 28 -- -- 1964 1925 1973 1991 -- 2000 1973 2000 1965 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L San Jacinto R Basin R Jacinto San Trinity R Basin—Continued Trinity 25'27" 96 19'45" 96 19'18" 96 09'24" 96 56'18" 96 48'01" 96 57'02" 96 14'36" 96 11'54" 96 06'29" 96 57'08" 96 50'46" 96 52'51" 95 38'54" 95 34'11" 95 20'18" 95 04'28" 95 56'12" 95 53'03" 95 51'33" 95 03'06" 95 54'25" 95 42'58" 94 34'19" 94 28'52" 94 30'59" 94 25'30" 94 58'21" 94 20'31" 95 21'13" 95 14'40" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Cedar Bayou Basin (CoastalCedar Basin) Basin Bayou Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08063000 CedarCr nr Mabank,TX 08063003 Cr nrEustace, TX South Twin 08063020 Cedar Cr at Trinidad, TX08063100 Richland Cr nrDawson, TX08063200 Oak Pin Cr nrHubbard, TX08063500 Richland Cr nrRichland, TX 08063800 Cr nr Waxahachie Bardwell, TX08064100 ChambersCr nr Rice,TX 08064500 ChambersCr nr Corsicana, TX08064600 Richland Cr nrFairfield, TX 08064700 Crnr Streetman, Tehuacana TX08064800 TXColony, Cr Catfish nr Tennessee 08065000 32 R nrOakwood, Trinity TX 32 08065200 UpperCr Keechi nr Oakwood, TX08065350 R nrCrockett, Trinity TX 32 31 08065500 TX R nrMidway, Trinity 31 08065700CrTX Caney nr Madisonville, 31 32 08065800 BediasTX Cr nr Madisonville, 08066000 TX R at Riverside, Trinity 08066100 32 32 White TX RockCr nr Trinity, 08066170 KickapooCr nr Onalaska, TX 31 31 31 08066200 Long King Cr at Livingston,TX 08066250 R nrGoodrich, Trinity TX 08066300 31 MenardCr nr Rye, TX08066400 31 Cr Big nr Shepherd, TX08066500 R at TX Romayer, Trinity 31 30 31 30 08067700 30 31 Cr Caney nr Dobbin, TX08068000 30 Fk SanJacinto R nr Conroe, TX West 30 30 30 30 30 30 30 08062980 Lacy Fk nr Mabank, TX 32 08067500 TX CedarBayou nr Crosby, 08067650 Fk SanJacinto Lake Conroe R below nr Conroe,TX West 30 29 Table 2. Table Footnotes at end of table.

30 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 17'59" Montgomery38'45" Harris29'27" Montgomery 96228'52" Harris26'10" Harris48'29" -- 15.4 186 Harris43'03" Harris --41'50" 16 Harris --35'54" 34.5 0 409 Harris30'42" 1 110 -- Harris25'43" 1 131 16 1 Harris --15'28" 1 Harris -- 406'14" 41.0 214 -- 61 Liberty --07'27" 0 4 248 -- 23 Montgomery18'08" 61 0 1985 285 25 Montgomery --10'05" 23 2000 1,740 2000 10 Yes Montgomery 38803'35" 0 25 2000 -- 325 0 Yes 10 Liberty 105 1008'00" -- -- 2 0 Harris 2000 11748'24" 1973 10 -- 56 1940 0 -- Bend Fort 2000 41'12" -- -- 2 26 0 56 1976 -- Harris36'20" 16 -- 218 61 1976 0 -- 26 1976 Harris33'27" 56 2000 2,800 16 1983 -- 0 61 Harris31'24" 0 35 63.3 2000 56 -- 1983 -- Harris24'30" 0 2000 35 -- 1988 -- -- 0 Harris 194529'16" 1992 21.5 0 16 -- 293 0 Harris28'09" -- 1929 1992 17 23 307 1985 -- 0 16 Harris23'49" -- 1940 1989 17 2000 Yes 317 1945 Harris -- 2333'43" -- 23 Yes 1954 358 1944 -- Harris24'43" 55 0 2000 -- Harris -- 2000 2326'45" 0 29 7.50 0 2000 Yes Harris 017'21" 11.4 1985 2000 Yes 29 Harris 714'37" 1937 86.3 34 -- 1978 0 Yes Harris 5512'58" 12.7 22 -- 0 -- Yes Harris 9 2000 16'04" 22 94.9 17 22 1978 Yes 1953 Harris -- 2000 64 20.2 17 -- Yes 29 1972 25 20 63.0 64 Yes 0 1946 1979 2000 64 10.1 20 Yes -- 2000 2000 0 1937 28 64 7.32 Yes 1965 0 1945 16.1 43 28 1964 Yes 1975 1965 0 -- 2000 43 2 Yes 1937 0 -- 29 1986 1965 0 -- 2 36 29 1981 1937 0 -- 36 2000 1965 -- 1984 0 1953 0 -- 2000 0 -- 1965 2000 1972 1995 -- 1965 -- -- 1966 2000 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 05'09" 95 07'11" 95 11'25" 95 07'51" 95 06'37" 95 57'00" 95 57'32" 95 00'57" 95 58'24" 95 00'23" 95 02'08" 95 01'37" 95 20'11" 95 08'43" 95 15'34" 95 13'57" 95 06'34" 95 59'40" 95 44'35" 95 49'50" 95 45'42" 95 45'43" 95 44'48" 95 45'36" 95 51'04" 95 49'40" 95 46'30" 95 39'23" 95 41'49" 95 37'07" 95 40'27" 95 40'35" 95 41'40" 95 47'35" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L San Jacinto R R Basin—Continued Jacinto San Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08068275 Spring TXCr nr Tomball, 08068390 Bear Branch at Research TX Blvd, Forest The Woodlands, 08068450 Panther Branch nr Spring, TX08068500 Spring Cr nr Spring, TX08068720TX Cypress Crat Katy-Hockley nr Rd Hockley, 30 08068740 Cypress Crat House-Hahl Rd nr Cypress,TX 08068780 Little Cypress Cr nr Cypress, TX08068800 Cypress Crat GrantRd nr Cypress, TX08068900 Cypress Cr at Stuebner Airline TX Rd nr Westfield, 08069000 TX Cypress Cr nr Westfield, 08069500Jacinto Fk San R nr Humble, TX 29 West 08070000 East Fk San Jacinto R nrCleveland, TX 08070200 29 30 TX East Fk San Jacinto Caney, R nrNew 08070500 30 Cr Caney nr Splendora,TX 30 08071000 Peach Cr at Splendora, TX08071280 LuceBayou above Lake Houstonnr Huffman, TX 29 30 08071500 San Jacinto 30 R nr Huffman, TX08072300 Bayou Buffalo TXnr Katy, 08072730 Bear Cr nr Barker, TX08073500 30 Bayou Buffalo nr Addicks, TX 30 08073600 30 Houston, Belt TX Dr, Bayou at Buffalo West 30 08073700 30 Bayou Buffalo at Piney Point, TX08074000Bayou Buffalo at Houston, TX08074150 Cole Crat Deihl Rd, Houston, TX08074250 Brickhouse Gulley at Costa Rica St, Houston, TX 30 08074500 WhiteoakBayou at Houston, TX08074800 30 Bayouat Roark Keegans Rd nr Houston,TX 08075000 29 29 Brays Bayouat Houston, TX 08075400 Sims Bayou at Hiram Clarke St, Houston, TX08075500 29 Sims Bayouat Houston, TX08075650 29 29 Berry BayouForest at Oaks St, Houston,TX 08075730 29 29 Bayou at Pasadena, TX Vince 08075770 Hunting Bayouat IH–610, Houston, TX 29 29 29 29 29 29 29 29 29 29 08068090 Fk SanJacinto Lake R above Houston TXnr Porter, West 30 Table 2. Table Footnotes at end of table.

Table 2 31 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 49'40" Lubbock20'17" Garza11'50" Garza29'16" Fisher 20010'49" Stonewall13'36" 438 Garza --42'08" 244 Hale 1,600 1,86042'17" Kent -- 1025'53" Stonewall --25'52" 10 -- -- Stonewall 10 79.224'29" King 38 382 10 1,99014'16" 71 1 Stonewall -- 0 279 3812'47" 71 290 Stonewall 104'51" -- -- 0 13 Stonewall 1940 2,500 -- 0 -- -- 13 0 34 23 64.3 1984 0 88.8 25 -- 34 1949 1963 -- 251 27 0 1925 --23'18" 0 1951 -- -- 2 Fisher 27 -- 1993 61 -- -- 21 0 23 2000 1966 24 18 2000 23 21 1951 -- 0 21 1940 18 -- 228 37 1965 -- 21 1978 1960 0 1967 1951 0 1978 -- 1989 1940 1986 -- 0 1957 1964 1986 1966 2000 -- 38 -- 1966 38 1977 -- 1983 1986 0 1963 -- 2000 L L L L L L L L L L L L L L L 25'04" Harris18'24" Harris14'02" Harris20'05" Harris17'11" 36.6 Brazoria 68.7 Yes19'14" 31.0 Yes Brazoria 28.7 2628'32" -- 48 26 38.8 Yes Brazoria 48 Yes 7 41 87.7 0 41 41 7 0 171 -- 41 1966 1953 Yes 0 -- 41 0 -- 0 41 36 1992 1953 1987 2000 29 -- 1948 -- 0 -- 1993 1993 7 1960 1992 -- 1945 1974 2000 1980 16'02" Baylor27'53" Throckmorton43'36" Young 10448'53" 5,970 Jones47'32" -- Jones48'27" 7,260 -- Taylor51'08" 37 Taylor44'56" 76 -- 1,420 Taylor 37 49 205 2 133 -- 0 27 39.1 -- 2 22 -- 13.0 1964 1925 -- 22 21 -- 0 1974 -- 16 21 2000 16 2000 0 0 1918 16 9 -- 0 1968 16 9 1919 -- 0 1969 -- -- 1989 0 1964 -- 1964 1989 1971 1979 1979 -- 1979 L L L L L L L L L L L L L L L Brazos R Basin 57'24" 95 55'05" 95 56'03" 95 51'42" 95 Clear Cr Basin (Coastal Basin) 35'50" 95 22'09" 95 09'30" 95 35'08" 101 14'55" 101 02'18" 101 55'49" 100 00'29" 100 21'03" 101 10'44" 101 21'22" 100 12'43" 100 17'18" 100 24'03" 100 20'02" 100 14'00" 100 22'59" 100 34'51" 99 19'45" 99 04'55" 98 47'15" 100 35'53" 99 34'04" 99 21'08" 99 23'29" 99 28'31" 99 Oyster Cr Basin (Coastal Basin) (Coastal Basin Cr Oyster L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L San Jacinto R R Basin—Continued Jacinto San Chocolate Bayou Basin (Coastal Basin) (Coastal Basin Bayou Chocolate Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08076000 Greens Bayou nr Houston, TX08076180 Garners Bayou nr Humble, TX08076500 Halls Bayou at Houston, TX 29 29 29 08082700TX Millers Cr nr Munday, 08083000 Brazos R nr Graham, TX08083100 TX Clear Fk BrazosRnr Roby, 08083245 Mulberry TXCr nr Hawley, 08083300 ElmCr nr Abilene, TX08083400 Little ElmCr nr Abilene, TX08083420 Cat Cr Claw at Abilene, TX 33 32 33 32 32 32 32 08079575 North Fk Double Mountain Fk Brazos R nr Post, TX08079600 DoubleMountain FkBrazos TX R at Justiceburg, 08080000 DoubleMountain FkBrazos R nr Rotan, TX08080500 DoubleMountain FkBrazos R nr Aspermont, TX08080540 McDonald Cr nr Post, TX08080700 33 TX DrawPlainview, at Running Water 08080950 Duck Cr nr Girard,TX 08081000 33 Salt Fk Brazos R nr Peacock,TX 08081200 CrotonCr nr Jayton, TX08081500 33 32 Salt Croton Cr nr Aspermont, TX08082000 Salt Fk Brazos R nr Aspermont,TX 08082100 Stinking Crnr Aspermont, TX08082180TX North CrotonCr nr Knox City, 08082500 Brazos R at TXSeymour, 34 33 08083240 33 TX Clear Fk BrazosRat Hawley, 33 33 33 33 33 33 33 32 08075900 Greens Bayou nr US 75 nr Houston, TX08077000 Clear Cr nr Pearland,TX 08078000 Chocolate Bayou nr Alvin, TX 29 08079000 Oyster Cr nrAngleton, TX08079500 North Fk DoubleMountain FkBrazos R at Lubbock, TX 33 29 29 29 Table 2. Table Footnotes at end of table.

32 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 44'27" Taylor43'13" Taylor40'09" Jones38'32" Jones32'36" 422 Haskell13'27" 119 Shackelford50'00" 2,200 -- Stephens14'20" 3,990 -- Shackelford 47810'11" 914 -- Shackelford09'52" 4 4,320 14 Shackelford --16'05" -- 128 76 -- 0 Shackelford16'29" 228 0 -- 76 15 Shackelford 3812'42" 454 -- 1 Shackelford10'30" 15 4 38 -- 14 65.2 Shackelford 4 6108'25" 1 -- 39.3 3 Shackelford06'32" -- 115 61 -- 13 -- 4 0 Shackelford 192501'57" 3 -- 13 22.9 13 Stephens 0 194000'15" 1980 1925 613 1971 -- 5 13 2000 1963 1983 Stephens56'52" 0 27 1984 108 -- 1940 0 -- 1951 Stephens45'59" 2000 0 0 -- 27 1 Young -- 192438'37" 0 26.4 2000 -- 3 1964 Young44'40" 1963 280 -- 1 34 1,090 1951 5 -- Young 038'55" 1963 -- 3 -- 34 2 1928 Young37'06" -- 5,700 -- 1966 -- 1975 0 -- 13,100 Young 196443'25" 2 9 0 1975 Stephens --24'41" 0 38 -- 1964 31 1963 Palo Pinto 9 11.8 --18'08" 1968 38 1964 1990 120 0 -- Palo Pinto10'50" 1967 47 7 -- -- 14,000 Palo Pinto 62 24.255'32" -- 97.0 1963 0 26 1967 -- 14,200 Parker 039'48" 23 1966 24 19 -- 2000 -- Somervell46'37" -- -- 1967 21 573 19 1963 Somervell 243'56" -- 39 1956 1968 -- 31 15,700 Somervell 16,300 -- 11 2424'09" 1963 1917 2 31 Hill -- 76 1975 1986 24 1939 0 2000 0 1962 410 -- -- 16 1962 1982 26 70.3 2000 0 1959 0 11 0 -- 32 77 13 -- 60 -- 1959 1959 17 282 0 -- 1966 54 1977 -- 13 -- 1925 27 -- 35 60 1941 -- 1990 32 1960 1989 2000 1925 5 2000 1989 1964 19 1924 39 -- 1976 22 1941 17 2000 1925 1969 1982 1974 2000 22 2000 1978 2000 1925 1965 1986 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Brazos R Basin—Continued 30'29" 99 26'56" 99 41'24" 99 55'51" 99 04'39" 99 56'04" 99 54'00" 98 36'06" 99 33'33" 99 41'21" 99 41'01" 99 42'27" 99 42'02" 99 43'15" 99 43'58" 99 33'10" 99 35'01" 99 38'54" 99 50'13" 98 57'36" 98 01'27" 98 22'13" 98 13'00" 98 12'43" 98 49'39" 98 51'29" 98 51'45" 98 37'51" 98 36'56" 97 16'18" 97 13'53" 97 16'12" 97 09'02" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08083470 Cedar Cr at Abilene, TX08084000 Clear Fk BrazosRat Nugent, TX08084800 CaliforniaCr nr Stamford, TX 08085000 Paint Cr nr Haskell, TX08085500 ClearTX Fk Brazos Rat Fort Griffin, 08086000 Clear Fk Brazos R at Crystal Falls, TX08086015 HubbardCr nr Sedwick, TX08086050 Deep Cr at Moran, TX08086100 TX HubbardCr nr Albany, 08086120 Salt Prong HubbardTX Cr at380 US nrAlbany, 08086150 North TX Fk HubbardCr nr Albany, 08086200 32 TX Salt Prong Hubbard Cr nr Albany, 08086210 TX SnailumCr nr Albany, 32 08086212 32 32 Hubbard CrTX Albany, below 08086235 32 BattleCr nr Moran, TX08086260 32 PecanCr nr Eolian, TX 33 08086290Sandy Big Breckenridge, Cr above TX 08086500 HubbardCr nr Breckenridge,TX 32 08087300 Clear Fk BrazosRat Eliasville, TX 08088000 Brazos 32 Rnr South Bend, TX08088100 32 32 32 TX Salt Crat Olney, 08088200 Salt Cr nr Newcastle, TX08088300 Briar Crnr Graham, TX08088450Cedar Big Cr TX nr Ivan, 08088610 32 32 Brazos R nr Graford, TX08089000 32 BrazosRnr Pinto, Palo TX08090500 Pinto Crnr Palo Santo, TX 32 08090800 32 Brazos R nr Dennis, TX 32 08091000 32 Brazos R nr Glen Rose, TX08091500 Paluxy R at Glen Rose, TX08091750 Squaw Cr nr GlenRose, TX 33 08092000 Nolan R at Blum,TX 33 33 33 32 32 32 32 32 32 32 32 32 08083430 Elm Cr at Abilene, TX 32 Table 2. Table Footnotes at end of table.

Table 2 33 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 17'51" Bosque08'59" Hill12'21" Hill05'57" 17,700 Hill12'04" Hill11'55" -- Erath13'46" 57.9 Erath02'04" 255 62 Hamilton34'04" -- 12.4 Bosque28'09" 2 308 -- Bosque21'56" Yes 13 95.9 McLennan 35921'22" 45.4 60 -- 13 12 2 McLennan --15'00" 968 McLennan 1,150 12 --11'36" -- 0 1939 61 182 McLennan 2104'23" 0 1941 -- 43 McLennan 15 78.2 3808'16" -- 2000 0 7 386 -- Falls 2 198058'10" 1,660 77 0 -- 0 20,000 Falls 18 4103'30" -- 1968 26 14 -- 44 -- Falls49'29" -- 26 -- 8 15 1992 38 1940 Falls 26 --59'17" 1959 1980 20 Milam 1983 33 531'58" 1979 22 20,600 83.5 102 1981 -- 2000 1966 -- 33 Comanche36'19" 0 1979 5 6 42 Comanche 192427'32" -- 6 20,900 84.5 -- 1959 1963 1960 Comanche 196807'16" 1973 1960 2000 479 2000 1968 Hamilton 16 60 22.245'42" 17 0 -- 1960 13 -- -- 2000 264 Coryell53'05" 1,260 1980 0 -- -- Coryell 1960 1899 242'55" 1925 1985 1985 2 35 1,890 -- Coryell 1966 194126'28" -- -- 20 26 1981 2000 17 Bell 2,340 2 027'25" 11 -- 26 1929 Bell 2000'59" 52 0 455 -- Lampasas 1902'12" 1939 -- 35 667 0 14 46 Burnet42'30" 1941 0 26 -- 1959 3,540 Bell 1951 29'32" 50 -- 7 1935 1975 7 -- 38 818 Bell20'45" 1963 112 13 -- -- 50 Bell -- 1966 39 -- 1961 1940 2000 50 2 33.3 -- 1936 1961 37 1980 -- 1954 1,240 77 1982 1986 1986 1926 1991 2 -- 1,320 38 31 0 1962 1951 8 5,230 -- 2000 11 1964 37 0 -- 2000 1951 46 0 37 56 -- 27 -- 1940 26 49 1924 8 43 2000 -- 1963 0 1955 3 2000 1974 5 1941 7 -- 2000 1964 23 -- 1925 38 1975 1982 1964 1974 2000 1980 1924 1967 1989 1963 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Brazos R Basin—Continued 48'44" 97 00'20" 97 53'42" 97 55'11" 97 50'40" 97 12'56" 98 04'26" 98 58'41" 98 47'09" 97 40'10" 97 30'33" 97 33'20" 97 31'00" 97 36'04" 97 32'09" 97 18'45" 97 17'18" 96 15'58" 97 08'02" 96 01'35" 96 10'25" 98 06'50" 98 57'28" 98 47'19" 98 25'58" 97 17'05" 97 12'21" 97 04'12" 97 03'06" 97 04'54" 98 54'41" 98 57'26" 97 00'06" 97 57'59" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08093250 Hackberry Cr at Hillsboro, TX08093360 Aquilla Cr above Aquilla, TX08093400 Cobb Cr nr Abbott,TX 08093500 Aquilla Crnr Aquilla, TX08093700 North BosqueRat Stephenville, TX 08094500 Green Cr nr Alexander, TX08094800 North BosqueRat Hico, TX08095000 North Bosque R nr Clifton, TX08095200 Mills, TX North BosqueatR Valley 08095300 Middle BosqueTXnrR McGregor, 08095400 Hog Cr nr Crawford, TX08095500 32 South BosqueRnr Speegleville, TX08095600 31 Bosque RTX nr Waco, 08096500 Brazos TX R at Waco, 32 08097000Bayou Cow at Mooreville, TX08097500 31 31 Brazos R nr Marlin, TX08098000 Deer Cr at Chilton, TX08098290 32 Brazos R nr Highbank, 31 TX 31 08098300 31 Little PondCr nr Burlington, TX 31 08099100 Leon RnrDe Leon, TX08099300 Sabana R nr DeLeon,TX 31 08099500 Leon R nr Hasse, TX08100000 Leon R nr Hamilton, TX 31 08100500 Leon Rat Gatesville, TX08101000 Cowhouse Cr at Pidcoke,TX 08101500 31 31 Cowhouse Cr nrKilleen, TX08102500 31 Leon R nr Belton, TX08102600 Nolan Crat Belton, TX 31 08103800 31 Lampasas TX R nr Kempner, 08103900 31 31 South Fk RockyCr nr Briggs, TX08104000 TX Lampasas R at Youngsport, 08104100 Lampasas R nr Belton, TX 32 08104500 32 TX Little R nr Little River, 31 31 31 31 31 30 31 31 31 30 31 30 08093100 Brazos R nr Aquilla, TX 31 Table 2. Table Footnotes at end of table.

34 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 42'40" Williamson41'27" Williamson39'18" Williamson39'21" 248 Williamson35'06" 133 Williamson28'23" 405 -- Williamson16'43" -- 83.1 Williamson04'42" 563 32 -- Milam02'19" 599 -- 32 11 Milam56'47" 738 39 -- 32 Milam14'08" 33 -- 39 21 Bell06'14" 13 -- 33 505 Milam03'00" 1,360 0 19 1969 Milam01'13" 2 7,070 0 34 19 -- Milam 198032'38" 0 1969 -- 2000 14 Brazos29'11" 1935 11 -- -- 74.7 171 13 Brazos 196854'16" 0 -- 12 2000 Lee 21 32.249'02" -- 1978 83 -- 0 29,500 1973 -- 0 Burleson 44.830'26" 1925 1980 36 2000 -- 29,900 1966 Burleson 1990 32'24" -- 13 1 -- Burleson 1980 -- 1209'18" 2 2000 47 1976 Washington 2 --31'14" 244 1 236 -- 1,010 11 2 Limestone --27'01" 7 31,600 2 1918 76 Limestone 1119'28" 195 -- 1968 -- 0 1954 -- 0 Limestone 198117'51" 25 1980 0 2000 -- 239 1992 Robertson 014'29" 38 -- 0 38 1935 67 311 Robertson11'32" 1935 7 53 38 28 -- 38 -- Brazos 42 1935 97.210'53" 38 -- 1963 968 -- Grimes20'58" -- 0 1,287 -- 1900 1935 -- 38 -- 22 1936 Brazos 017'58" 25 0 1941 1936 13 Brazos -- 1973 11'15" 1992 1,450 1994 28 0 -- 22 1963 Washington 0 2000 1,810 192512'18" 1963 0 76 22 Austin --45'27" 1967 ------34,300 22 3 1991 1963 Bend Fort 31'58" 37 -- 1.33 13 2000 Bend Fort 2000 -- 1967 46 1.94 0 0 ------1994 35,400 39 8 -- 10 2000 -- 376 35,500 1979 1979 62 3 2 0 2000 -- 1925 -- 1966 36 2 -- 1978 2 -- 1962 2 -- 2000 2000 80 2 8 1952 30 20 60 20 1998 1962 0 30 2000 1997 -- 0 0 1939 60 1969 1941 1978 0 20 1969 -- 2000 1985 1904 -- 1964 1941 1970 -- 2000 -- 1970 1950 1993 1969 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Brazos R Basin—Continued 39'42" 97 37'32" 97 39'14" 97 41'28" 97 38'45" 97 37'43" 97 41'39" 97 41'38" 97 43'39" 97 50'06" 96 02'58" 97 56'50" 97 57'00" 97 55'52" 97 37'36" 96 36'50" 96 20'21" 96 24'26" 96 19'18" 96 25'10" 96 21'40" 96 34'27" 96 30'44" 96 30'24" 96 10'12" 96 58'25" 96 52'10" 96 36'26" 96 38'47" 96 39'37" 96 07'44" 96 52'51" 96 34'56" 95 27'19" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08104900 South Fk SanGabriel R at Georgetown, TX08105000 San Gabriel R atTX Georgetown, 08105100 Berry Cr nr Georgetown, TX08105300TX San Gabriel R nr Weir, 08105400 San Gabriel R nr Circleville, TX08105700 San Gabriel R at Laneport,TX 08106300 BrushyCr nr Rockdale, TX08106310 San Gabriel R nr Rockdale, TX 30 08106500 LittleCameron, R at TX08107000 TXElm Big Cr nr Temple, 08107500 Big Elm Cr nr Buckholts, TX08108000 30 North ElmCr nr Ben Arnold, TX08108200 North ElmCr nr Cameron,TX 08108700 Brazos R at SH 21 nr Bryan, 30 TX08109000 Brazos R nr Bryan, TX 30 08109700 30 Cr nr Dime Box,TX Middle Yegua 08109800 30 Cr nrDime Box,TX East Yegua 08110000Cr nr Somerville, TX Yegua 30 30 08110100 TXCr Davidson nr Lyons, 08110200 Brazos RTX at Washington, 08110325 Groesbeck, Rabove TX Navasota 30 08110400 31 30 30 R Navasota nr Groesbeck, TX08110430Cr Big nr Freestone, TX 08110500 30 RTX Navasota nr Easterly, 30 08110800 Rat Old SpanishRd Navasota nr Bryan, TX 30 08111000 R Navasota nr Bryan, TX08111010 R Navasota nr College Station, 30 TX08111025 30 Burton Cr Maria at Villa Rd, Bryan, TX08111050 HudsonCr nr Bryan, TX 30 08111500 Brazos R nr Hempstead, TX08111700 30 31 Mill Cr nr Bellville, TX 30 08114000 30 Brazos R at Richmond, TX08114500 31 Brazos R nr Juliff, TX 31 31 30 30 30 30 30 29 29 29 08104700 North Fk SanGabriel R nr Georgetown, TX 30 Table 2. Table Footnotes at end of table.

Table 2 35 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 17'06" Borden05'38" Scurry03'02" Scurry03'12" Scurry54'27" 498 Scurry56'58" Mitchell 26.352'42" -- Mitchell 42.6 1,11001'32" -- Mitchell01'10" 12 188 1,530 -- Mitchell56'59" -- 10 1,590 12 Mitchell49'28" 18 -- Mitchell -- 230 6 3629'26" 18 Howard -- 026'30" 21.7 33 35 5 Howard 27021'42" -- 4 54 Howard 33 177 -- 1989 000'49" 0 1,510 Mitchell 3145'42" -- -- 5 9 1948 1,530 Coke 194844'08" -- 5 0 35 1959 1,570 Coke 1948 2000 -- 928'49" -- 1962 49 1 1,990 Coke -- 1959 5 1201'34" 1954 -- 1989 Runnels 20 1965 -- 1 1924 4,650 -- 12 0 -- 130'06" 1966 0 4,740 0 1952 Green Tom 1986 2000 4 2000 42'39" 5,050 1955 0 -- 6,110 42 0 Irion 0 1955 20 -- -- 0 0 354 -- 33 1948 -- -- 1948 1 1963 -- 14 -- -- 1959 0 4 42 51 -- 1,610 93 0 -- 1948 1960 1959 17 61 -- 1979 33 65 1959 -- 1958 14 -- 65 1958 34 1984 32 -- 34 1987 2000 -- 1925 34 1908 0 1968 2000 1953 1957 1969 2000 1970 2000 1931 0 -- 1962 1995 -- 1995 L L L L L L L L L L L L L L L L L L L L L 48'45" Bend Fort 45'41" Bend Fort 42'36" Bend Fort 44'48" Bend Fort 42'41" 42.8 Bend Fort 34'56" 26.2 116 -- Bend Fort --53'37" 8.65 50 Bend Fort 35,800 -- 12.2 --57'02" 50 7 Matagorda -- -- 2 7 21 727 0 2 21 3 29 10.3 -- 0 1948 3 0 0 0 -- -- 46 1948 29 46 2000 0 -- 1948 1959 7 -- -- 1954 -- 1948 7 0 1949 1979 -- 1968 2000 1955 1957 0 -- 1971 2000 -- 1977 56'51" Runnels 450 -- 68 49 19 1933 1982 2000 L L L L L L L L L Colorado R Basin Brazos R Basin—Continued 30'42" 95 28'35" 95 26'45" 95 24'45" 95 30'19" 95 20'58" 95 18'48" 95 48'26" 95 37'43" 101 36'00" 101 35'29" 101 32'18" 101 34'25" 100 28'38" 100 23'33" 100 23'42" 101 35'03" 101 23'17" 100 19'01" 100 15'01" 101 15'45" 101 14'56" 101 11'57" 101 03'13" 100 01'10" 100 53'07" 100 42'55" 100 44'57" 99 11'13" 100 25'38" 100 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Big Boggy Big Basin Boggy Cr (Coastal Basin) San Bernard R Basin (Coastal Basin) (Coastal Basin R Bernard San Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08115500 Fairchild Cr nrNeedville, TX08116000 TXCr Big nr Guy, 08116400 Dry Cr nrRosenburg, TX 08116500 Dry Cr nrRichmond, TX 08116650 Brazos R nr Rosharon, TX 29 29' 29 29 29 08128000 South Concho TX R at Christoval, 31 08118500 Bull Cr nr Ira, TX08119000 Cr Bluff nr Ira, TX08119500 Colorado R nr Ira, TX08120500 Deep Cr nrDunn, TX08120700 Colorado R nr Cuthbert, TX08121000 ColoradoRat TX Colorado City, 08121500TX Cr nr Westbrook, Morgan 08122000 TX GrazeCr nr Westbrook, 08122500 TX Cr nr Colorado Morgan City, 08123500 Champion TX Cr nrColorado City, 08123650 Beals Cr Bigabove Spring, TX08123700 Beals Cr at Big Spring, TX08123720 BealsCr nr Coahoma,TX 08123800 TX BealsCr nr Westbrook, 08123850 32 Colorado RTX above Silver, 08123900 32 32 32 Colorado R nr TX Silver, 32 08124000 32 Colorado R at Robert Lee, TX08126380 32 Colorado R nr Ballinger, TX08127000 32 Elm Cr at Ballinger, TX 32 32 08128400 TX Middle Concho Tankersley, R above 32 32 32 32 32 31 32 31 31 31 08115000Cr Big nr Needville,TX 08117500 San BernardR nr Boling,TX 08117900 TXBoggy Big Cr nrWadsworth, 08117995 Colorado R nr Gail, TX 29 29 28 32 Table 2. Table Footnotes at end of table.

36 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 36'50" Green Tom 38'24" Green Tom 43'51" Irion 1,69037'50" Green Tom 32'05" 405 Green Tom --26'44" Green Tom 25'30" 198 -- Green Tom 3059'36" 671 -- Sterling 3038'12" 35 -- 81.1 Green Tom 2,69026'51" -- 35 Green Tom 1524'37" -- 35 0 Green Tom 1,190 -- 568 15 30 35 1,450 0 25 1931 30 4,410 22 -- -- 25 -- 0 -- 1961 0 0 76 -- 0 -- 1960 46 1958 55 0 1961 76 46 22 1995 85 1931 -- 16 1962 -- 15 -- 0 1995 -- 0 39 1960 70 1932 1925 1986 1940 1917 1953 -- -- 1916 1952 1990 2000 1931 1985 2000 L L L L L L L L L L L 55'09" Concho34'25" McCulloch13'36" Coleman09'43" 12,800 Brown 5,44007'17" McCulloch08'13" -- McCulloch07'48" -- 70.0 13,800 Brown24'52" 32 43.9 Coleman 8532'04" -- Coleman --25'25" 8.31 15 0 -- Coleman 2258'25" -- 532 Brown 6744'25" 333 20 70 32 9 Mills47'07" 22 54.2 20 -- Menard 016'07" 107 -- 1916 -- 13 McCulloch 050'27" -- 1,660 45 1931 10 Concho20'05" 15 20 2000 -- 1969 2,070 1952 McCulloch 1,130 43 1,63043'09" 2000 20 1925 0 -- 0 1961 San Saba33'51" -- 30 1952 1973 0 -- San Saba48'39" -- 2000 -- -- 58 101 588 10 7 Kimble 1544'03" 1954 3,040 33 43 1973 6 Kimble 8106'32" 17 1952 19,800 ------1971 -- Mason 2305'44" 0 81 17 -- -- Mason 5253'00" -- 1969 914 23 47 1966 1941 Llano 1,850 1978 33 1980 81 1948 0 0 15 1948 1925 0 3,240 82 1990 -- 1970 47 1932 -- -- 12 215 1916 1983 1980 32 23 -- 3,740 62 -- -- 34 80 1968 70 62 -- 1940 2000 -- 27 80 2000 2000 -- 1916 1955 27 1917 37 1986 1963 1963 0 15 1931 2000 0 1985 37 2000 15 0 1916 1916 -- 0 -- 1969 0 1977 -- 1964 2000 1925 -- 2000 -- 2000 1939 L L L L L L L L L L L L L L L L L L L L L L L Colorado R Basin—Continued R Colorado 22'35" 100 19'48" 100 11'06" 100 16'26" 100 21'30" 100 18'32" 100 26'45" 100 49'48" 100 35'33" 100 27'57" 100 27'16" 100 30'57" 99 29'37" 99 35'24" 99 28'04" 99 24'08" 99 24'09" 99 58'21" 99 58'59" 99 50'03" 99 50'50" 99 43'54" 98 31'02" 98 55'08" 99 00'14" 99 11'03" 99 08'17" 99 12'47" 98 13'04" 98 31'06" 99 30'15" 99 39'38" 99 38'36" 99 43'00" 98 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08136700 Colorado RTX nr Stacy, 08137500 Cr at Trickham, TX Mukewater 08138000 Colorado R at Winchell, TX08139500 TX Deep Cr nrMercury, 08140500 Dry Prong TX Deep CrnrMercury, 08140700 PecanBayou nr Cross Cut,TX 08140800Ned Jim Crnr Coleman, TX08141500 TX Hords Crnr Valera, 08142000 Hords Crnr Coleman,TX 08143500 PecanBayou at Brownwood, TX08143600 PecanBayou nr Mullin, TX08144500 San Saba R at Menard, TX 31 08144600 San Saba TX R nr Brady, 31 08144800 Brady Crnr Eden, TX 31 31 08145000 TX Brady Crat Brady, 08146000 San Saba R at San Saba, TX 31 08147000 31 Colorado R nr San Saba, TX08148500 North Llano R nr Junction,TX 31 08150000 Llano R nr Junction, TX08150700 31 Llano R nr Mason, TX 31 08150800 31 Cr nr Mason, Beaver TX08151000 Llano R nr Castell,TX 31 30 31 31 31 31 31 30 30 30 30 30 08129300 TX Spring Tankersley, Crabove 08129500 Cr SpringnrKnickerbocker, Dove TX 08130500 Cr at Dove Knickerbocker, TX08131000 TX Spring Cr nr Tankersley, 08131400 PecanCr nr SanAngelo, TX08132500 South Concho R at San Angelo, TX08133500 North Concho TXSterling R at City, 08134000 North Concho R nr Carlsbad, TX08135000 North ConchoSan R at Angelo, TX08136000 Concho R at San Angelo, TX08136500 31 ConchoRPainted at Rock, TX 31 31 31 31 31 31 31 31 31 31 08128500 TX Middle Concho R nr Tankersley, 31 Table 2. Table Footnotes at end of table.

Table 2 37 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 40'10" Llano28'19" Llano52'10" Gillespie40'00" Gillespie23'57" 4,190 Blanco04'50" Travis 34654'28" 369 -- Travis47'04" 647 Travis55'31" -- -- 61 901 Travis50'40" 1,290 -- 61 Travis 27,400 2949'43" 16 -- Travis48'07" 10 29 16 -- Travis46'16" 22.3 -- 0 10 61 Travis44'41" 89.7 14 107 0 -- Travis 0 61 1645'00" 1940 14 109 -- Travis 043'36" -- 0 22 1967 116 1980 Travis --44'01" 0 15 -- 1925 Travis 2000 -- -- 2241'39" 0 -- 16 11 Travis -- -- 1540'20" 1940 2000 6.52 2000 Travis39'17" 1925 12.3 11 6 Yes 0 -- Yes 1934 -- 23 Travis00'27" -- 2.31 0 Yes 6 23 Hays 27,60050'52" 2000 23 1979 4.13 9 Yes 0 1975 1938 Hays56'23" 16 23 1979 1990 -- Yes Hays 954'11" 25 13.1 -- 0 16 -- 1990 0 Travis51'36" 2000 25 51.3 25 Yes 0 -- 102 Travis50'28" 2000 124 1983 25 0 Yes 1978 0 Travis 3843'56" 166 15 2000 -- 1979 -- 0 Travis41'18" 34 -- 15 12.2 1976 -- 1985 0 Travis 1988 36'02" 64 2000 -- 34 8.24 -- 1956 -- Travis17'48" -- 21 2000 6.30 -- 1956 0 -- Bastrop19'39" 1899 1984 6.79 21 7 2000 Yes 0 -- Bastrop 2119'09" 27.6 1937 1980 22 321 -- 1978 2000 Bastrop09'42" 14 7 21 1980 Yes 1967 -- Bastrop 0 2209'34" 14 4.61 Yes 38.7 -- Bastrop 7 11 2000 28,600 0 63.8 0 -- 1980 29 11 -- 0 2000 29,100 7 0 -- -- 1980 29 17 1980 -- 1979 2000 -- 6 -- -- 1979 0 17 1.48 0 -- 6 40 -- 0 1995 6 2000 -- 48 1976 1994 2000 6 0 0 1992 -- 1925 -- 6 27 0 -- 1964 40 1986 27 2000 0 42 -- 2000 1980 -- 1980 -- 1980 0 1931 -- 1961 1985 1937 1940 2000 2000 1985 -- 1966 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Colorado R Basin—Continued R Colorado 45'04" 98 33'27" 98 13'13" 98 15'00" 98 17'30" 98 25'15" 98 23'30" 97 22'19" 97 17'46" 97 16'26" 97 16'12" 97 14'40" 97 15'48" 97 20'50" 97 16'35" 97 17'49" 97 17'08" 97 14'40" 97 15'47" 97 16'59" 97 04'58" 98 05'09" 97 09'19" 97 12'32" 97 14'06" 97 13'34" 97 11'21" 97 10'40" 97 27'16" 97 18'18" 97 15'54" 97 06'16" 97 00'45" 97 02'32" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08152000 Sandy Cr nrKingsland, TX 08152900 Pedernales R nr Fredericksburg,TX 08153000 PedernalesTX R at Stonewall, 08153500 Pedernales TX R nr JohnsonCity, 08154000 PedernalesTX R nr Spicewood, 08154510 Colorado MansfieldRbelow Dam, Austin, TX08154700 Bull Crat Loop 360 nr Austin,TX 08155200 Barton Cr at71 SH nr Oak Hill, TX08155240 Barton Cr at Lost Cr BlvdnrAustin, TX 08155260 Barton Cr nr Camp CraftRd nr Austin, TX08155300 Barton Cr at Loop 360,Austin, TX 30 08155500 Barton Springs at Austin, TX 30 30 08156700 Shoal Crat Northwest atPark Austin, TX08156800 30 30 12th Shoal St, Austin,Cr at TXWest 08157000 Cr at 38th Waller St, Austin, TX 30 08157500 Cr at 23d Waller St, Austin, TX08158000 30 30 Colorado R at Austin, TX 30 30 08158050 Boggy Crat US 183, Austin, TX08158600 Rd, Austin, CratTX Webberville Walnut 08158700 Onion Cr nrDriftwood, TX 30 08158800 30 Onion Cr at Buda, TX08158810 Bear FM 1826 Crbelow nrDriftwood, TX 08158840 30 30 Slaughter Cr at FM 1826 nr Austin, TX08158920 Williamson Cr at OakHill, TX 08158922 Williamson Cr at BrushyCountry Blvd, Oak Hill, TX 30 08158970TX Austin, Rd, Clay Jimmy at Cr Williamson 30 08159000 30 Onion Cr at US 183, Austin, TX08159150Cr nr Pflugerville, Wilbarger TX 30 08159165 30 Sandy Big Cr nrMcDade, TX 30 08159170 30 Sandy Big Cr nrElgin, TX08159200 Colorado R at Bastrop, TX 30 30 08159500 Colorado R at Smithville, TX 30 08160000 Dry Cr at BuescherLake nr Smithville, TX 30 30 30 30 30 30 30 30 30 08151500 Llano R at Llano,TX 30 Table 2. Table Footnotes at end of table.

38 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 54'13" Fayette52'15" Fayette34'16" Colorado31'55" 29,500 Colorado32'12" 29,700 Colorado06'13" 29,900 -- Wharton00'44" -- Matagorda 30,200 17.3 -- 1210'15" 30,600 16 30,800 Matagorda -- -- 0 256'41" 0 -- Lavaca41'10" 38 -- 0 84 145 12 Jackson48'45" 38 62 16 20 Lavaca 5242'32" -- 2 -- Lavaca44'39" 0 108 -- 0 0 64 Jackson40'26" 817 1989 30 -- Jackson32'46" 62 2000 332 1940 -- 1963 52 1917 Jackson33'08" 30 1955 437 -- 1984 -- 1937 Jackson28'01" -- 549 1985 53 2000 -- -- Jackson25'01" 549 62 2000 0 -- Wharton 53 1939 289 -- 39 -- 6249'08" 2000 826 1971 -- 12 Victoria 39 2000 178 0 -- -- 446'07" 12 0 90.8 -- Victoria 4 2000 1940 4 0 23 --23'12" 1939 -- 4 0 -- 40 91.7 Kerr 2319'17" -- 1962 22 Kerr 4016'58" 0 1992 -- 1982 4 -- 68.3 Kerr 2211'42" 2000 0 0 -- Kerr09'47" 1997 4 2000 30 -- 0 Kerr53'32" 1997 -- 168 2000 1978 0 30 Kerr53'33" -- 288 30 1940 -- 0 2000 Kendall23'00" 114 1978 -- -- 30 2000 Comal 2000 0 494 -- -- 1997 1979 510 33 -- -- 0 1971 2000 762 35 839 -- 33 -- 1,320 50 2000 -- 35 1971 -- -- 50 7 2000 -- 0 14 -- 0 7 13 61 14 2000 1968 0 78 13 61 1966 -- 78 0 1942 0 -- 2000 0 -- 0 1979 2000 1987 0 1993 -- 1920 -- 1940 1923 -- -- 1985 2000 -- 1932 2000 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L Lavaca R Basin Guadalupe R Basin Colorado R Basin—Continued R Colorado 54'44" 96 53'45" 96 43'09" 96 47'56" 96 42'22" 96 18'32" 96 58'26" 96 55'40" 96 26'35" 96 57'35" 96 28'00" 96 19'18" 96 08'07" 96 03'55" 96 09'36" 96 01'32" 96 04'17" 96 04'14" 96 53'28" 96 43'30" 96 03'50" 99 04'11" 99 06'00" 99 04'10" 99 03'11" 99 56'57" 98 58'10" 98 51'37" 98 L L L L L L L L L L L L L L L L L L L L L L L L L L L L Placedo Cr Basin (Coastal Basin) Garcitas Cr Basin (Coastal Basin) Tres Palacios R Basin (Coastal Basin) (Coastal Basin R Palacios Tres Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08160500 Colorado R at La Grange, TX08160700 Colorado R above Columbus, TX08160800 RedgateCr nr Columbus, TX08161000 Colorado R at Columbus, TX08162000 Colorado R at Wharton, TX08162500 Colorado R nr TX Bay City, 08164000 R nr Edna, Lavaca TX08164300 Navidad R nr Hallettsville, 29 TX 29 08164350 Navidad R nr Speaks, TX08164370 NavidadMorales, R at TX 29 08164390 Navidad R at Strane Park nr Edna, TX 29 08164450 Sandy Cr nrGanado, TX08164500 29 Navidad R nr Ganado,TX 28 08164503 Mustang Cr nr Ganado, TX West 08164504 East Mustang Cr nrLouise, TX 29 29 28 29 08165500 29 Guadalupe R at Hunt,TX 08166000 Johnson Cr nr Ingram, TX08166140 Guadalupe R above Bear Cr at Kerrville, TX 29 29 08166200 29 Guadalupe R at Kerrville, TX08166500 29 Guadalupe R nr Comfort,TX 08167000 Guadalupe R at Comfort, TX08167500 Guadalupe R nr SpringBranch, TX 30 30 30 30 29 29 29 08160400 Colorado R above La Grange, TX08162600 Palacios Tres R nr Midfield, TX08163500 29 Hallettsville, R at Lavaca TX 28 08164600 GarcitasCr nr Inez, TX 29 08164800 Placedonr Cr Placedo, TX08165300 North Fk Guadalupe R nrHunt, TX 28 30 28 Table 2. Table Footnotes at end of table.

Table 2 39 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 22'10" Comal10'47" Comal06'35" Comal07'20" Comal07'20" Comal 10.906'23" 1,440 Comal56'02" 1,520 -- Hays56'02" -- Hays05'19" -- -- 18 130 Hays54'35" 1,650 40 Hays 1339'02" 72 -- Yes Caldwell 240'44" -- 34 -- Caldwell35'02" 72 72 5 47 Caldwell 3836'12" 355 13 45 Yes 72 38 Caldwell35'22" 838 412 1961 Yes 13 Gonzales 196127'00" 112 44 -- 1974 27 1929 Gonzales18'59" 184 1963 0 1978 6 -- -- 44 1963 2000 Gonzales 026'57" 309 73 -- 2000 1,250 1929 6 De Witt 192919'16" 61 44 -- 73 3,490 1974 De 0 Witt 191615'52" -- 41 -- 2000 44 44 -- De Witt 46000'46" -- 0 4 -- 2000 4 1957 Victoria 021'17" 63 549 27 17 2000 4,930 De Witt -- 013'34" 4 -- 1995 33 4,920 27 1925 Goliad 4 3711'20" -- 2000 -- 1940 5,200 1957 Victoria -- --11'10" 20 4 0 30 1984 1960 Victoria -- 2000 --19'01" 167 0 2000 20 45 2000 Goliad 36 1964 --08'18" 1926 1931 2000 357 2000 45 Victoria 18 057'54" 354 1916 -- 0 -- 1964 0 65 Victoria 18 369 1993 -- -- 199730'36" 26 0 1929 -- 36 5 1960 Bexar29'41" 28.0 1942 -- 514 -- 0 18 5,816 Bexar --29'40" 1931 39 13 5 2000 -- -- Bexar30'38" 18 -- 30 1979 -- 1906 Bexar27'00" 0 -- 1936 13 1965 30 -- Bexar 2000 0 21.2 2000 1962 37 0 13 2000 41.8 13 1 1935 Yes 17 1985 42.4 0 1979 Yes 0 -- -- 13 0 2.64 -- Yes 20 1931 71 -- 13 1989 -- 1981 1996 -- 1979 1 8 9 1940 1993 Yes -- 12 1979 1981 0 0 -- 2000 14 62 1991 12 1969 2000 0 8 1916 2000 -- 0 1926 -- 1981 14 2000 1917 1993 -- -- 2000 1929 1987 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L San Antonio R Basin San Antonio 55'06" 98 51'32" 98 42'53" 98 42'21" 98 42'21" 98 41'52" 98 53'20" 97 53'20" 97 59'39" 98 58'45" 97 39'58" 97 55'22" 97 49'17" 97 41'58" 97 35'36" 97 29'03" 97 28'26" 97 12'54" 97 03'57" 97 03'05" 97 47'34" 97 53'51" 97 51'41" 97 50'21" 97 49'53" 97 45'05" 97 43'51" 97 39'42" 96 29'56" 98 24'34" 98 23'34" 98 24'22" 98 19'19" 98 Guadalupe R Basin—Continued L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08167800 GuadalupeTX R at Sattler, 08168500 Guadalupe Comal R above RBraunfels,at New TX08168710 Comal Springs Braunfels,at New TX08169000 Comal Braunfels, R at New TX08169500 Guadalupe Braunfels, R at New TX08170000 San MarcosatSan R springflow Marcos, TX08170500 San Marcos R at San Marcos,TX 29 08171000 TX Blanco R at Wimberley, 08171300 BlancoTX R nrKyle, 08172000 San Marcos R at Luling, TX08172400 Plum Crat Lockhart, TX08172500 29 Plum Cr nr Lockhart, TX08173000 29 29 Plum Cr nr Luling, TX08173500 San Marcos R at Ottine,TX 29 29 08173900 Guadalupe R at Gonzales, TX08174600 Peach Cr Dilworth,below TX08175000 29 TX SandiesCr nr Westhoff, 08175800 Guadalupe R at Cuero, TX08176000 Guadalupe R below Cuero, TX 29 08176500 GuadalupeTX R at Victoria, 08176550TX FifteenmileCr nr Weser, 29 08176900 29 Coleto Crat Arnold Rd TX nr Schroeder, 08176990 Coleto CrReservoir nr Schroeder, TX inflow 29 08177000 Coleto Cr nr Schroeder, TX 29 08177300 PerdidoCr622 at FM nrFannin, TX 29 08177500 29 29 Coleto Cr nrTX Victoria, 08177520 29 Guadalupe R nr Bloomington,TX 29 08178000 29 29 28 28 San AntonioatR San Antonio, TX 08178050 San AntonioatR Mitchell San St,Antonio, 28 08178500 San PedroCrFurnish at San St,Antonio, TX 28 08178565 San AntonioRat Loop 410 at SanAntonio, TX 28 28 28 28 29 29 29 29 08167600 Rebecca Cr nr Spring Branch, TX 29 08177700San Olmos Antonio, Crat Desden Dr, TX 29 Table 2. Table Footnotes at end of table.

40 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 33'55" Bexar25'51" Bexar24'45" Bexar04'11" Bandera58'33" Bandera57'19" 23 137 Bandera54'16" 189 Medina48'46" 427 -- Yes Medina41'22" 474 Yes Bexar38'19" 40 -- 56.3 3 Bexar34'52" 40 650 -- 12 Bexar41'29" 0 -- 18 805 12 Bexar43'26" 41 18 -- 28 885 Bexar36'00" 25 41 -- 3 28 Bexar35'02" 47.9 25 32 1961 967 Bexar28'20" -- 0 13 -- 1961 1973 Bexar --21'20" 0 0 15.0 2000 1973 Bexar 0 17 198317'34" -- 0 2000 1998 .39 Bexar -- 192415'39" 8 -- 32 2000 1.19 0 219 1957 Wilson 2803'50" -- -- 13 1,320 Yes 8 2000 32 Karnes --45'12" -- 1,740 0 17 1982 Yes Kendall41'50" 32 10 -- 1 1981 -- Kendall 1,79025'37" 1923 77.2 0 16 10 -- -- 28 Comal 1973 18'39" 1 2,110 1988 61 0 16 Bexar -- 2000 03'10" 1988 -- 38 1982 -- 29 Wilson 055'48" 0 -- -- 2000 1969 0 68.4 17 Karnes46'19" 0 0 6 -- 1971 198 1995 -- Karnes 197051'32" 75 61 2000 -- 0 1978 274 Karnes --50'14" 0 1985 2000 38 665 -- 0 -- Karnes23'04" 5 -- -- 33 17 827 1979 Goliad -- -- 1978 6 15 239 0 -- 19 2000 7506'44" 1940 -- -- Refugio 2000 72.4 54 19 1963 -- 18 -- 2000 -- 4 3,920 5 9.43 33 1955 -- 70 1971 1919 0 4 -- 27 1963 1926 70 -- 1924 -- 21 19 87.8 2000 1978 27 1995 1947 5 0 1996 0 65 -- 1947 0 -- 2000 1980 0 0 0 1925 30 2000 1965 19 1931 -- 1963 30 -- 5 65 -- -- 1928 2000 -- 0 -- 1989 1955 1973 1955 1971 1925 1959 2000 -- 2000 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 37'50" 98 30'57" 98 21'25" 98 43'25" 99 40'31" 98 40'51" 98 29'53" 98 19'26" 98 20'05" 98 19'40" 98 15'43" 98 34'42" 98 36'06" 98 23'12" 98 19'47" 98 15'14" 98 13'19" 98 15'38" 98 12'54" 98 57'05" 98 48'52" 98 46'26" 98 43'33" 98 35'38" 98 16'47" 98 00'50" 97 55'12" 97 49'11" 97 51'41" 97 38'58" 97 18'12" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Copano Cr Basin (Coastal Basin) (Coastal Basin Cr Copano San Antonio R R Basin—Continued Antonio San Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08178700 Salado Cr (UpperStation) at SanAntonio, TX08178800 Salado Cr (Lower Station)San at Antonio, TX08178880 Medina R at Bandera, TX08179000 Medina R nr Pipe Cr, TX 08179100nrCrTX Red Pipe Cr , Bluff 08180500 Medina R nr Riomedina, TX08180640 Medina R at La Coste, TX08180700 29 Medina R nr MacDona, TX 29 08180750 Medio Cr at Pearsall Rd at San Antonio, TX08180800 Medina R nr Somerset,TX 08181400 Helotes Cr at Helotes, TX08181410 RanchCr nr Helotes, TX08181450 Leon Cr trib at Kelly Air Force Base, TX08181480 Leon Cr at IH–35 at San Antonio, TX08181500 29 Medina R at SanAntonio, TX08181800 29 29 San Antonio R nr Elmendorf, 29 TX08182500 Cr nr Elemendorf, Calaveras TX 29 08183000 San AntonioRat Calaveras, TX 08183500 29 San Antonio R nrTX Falls City, 29 08183850 Cibolo Cr at IH–10Boerne, above TX08183900 29 Cibolo Cr nr Boerne, TX08184000 29 Cibolo Cr nr Bulverde, TX08185000 29 29 Cibolo Cr at Selma, TX08185500 Cibolo Cr at Sutherland Springs, TX 29 08186000 TX CiboloCity, Cr nr Falls 08186500 29 29 EcletoCr nr Runge,TX 08187500 TX Escondido Cr at Kenedy, 29 08188000 TX Dry Escondido Cr nrKenedy, 29 08188500 29 San AntonioRat Goliad, TX 28 29 29 29 29 29 28 28 28 28 08178585 SaladoRd Cr at at Wilderness SanAntonio, TX 29 08189200 CopanoCr nr Refugio, TX 28 Table 2. Table Footnotes at end of table.

Table 2 41 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 14'10" Kinney 694 -- 55 55 0 1940 -- 2000 L 39'23" Bee16'44" Refugio39'23" Bee16'44" San Patricio 690 20459'49" Uvalde 128 -- --53'40" 247 Uvalde50'00" -- 61 15 Zavala40'54" 737 -- Dimmit 61 1514'23" 21 La Salle 1,86058'00" 36 21 -- Webb33'25" 2,150 0 0 4,080 36 McMullen17'03" -- 77 5,170 Oak Live 42'16" 0 1940 -- 1963 Uvalde 77 --46'52" 73 8,090 0 -- -- 469 Uvalde --40'27" 1971 73 8,560 7 61 Uvalde 2000 29'33" 1977 -- 1965 -- 0 74 Uvalde28'46" -- 7 -- 9 389 -- 1991 Uvalde 014'47" 22 57 1924 126 Medina 38 2000 11'07" -- 631 12 52 0 -- 1928 5 Medina09'04" 38 52 206 -- 12 Medina -- 2000 24'10" 241 1940 1916 75 -- Medina 5224'22" 1927 2000 1949 48 -- 0 -- 95.6 Medina 7523'42" 2000 1949 0 132 48 -- Medina 48 1944 200023'51" 1924 149 -- 58 1963 Medina 48 194923'16" 1966 0 48 -- -- 45.0 2000 Medina 5817'05" 48 -- 0 -- 53.2 Medina 4815'16" 1925 2000 0 -- 12 48 59.5 Medina 1977 15'09" 1953 0 -- -- 40 60.5 12 Medina12'19" 1953 39 0 -- -- 87.4 40 Medina 2000 44'35" 0 1943 -- 168 -- 39 9 Uvalde 2000 14'27" 0 1953 -- -- 7 Frio 2000 1953 9.34 0 9 -- -- 5 10.0 2000 0 -- 1953 7 12 253 -- 200 1961 5 -- -- 39 12 2000 0 1962 ------5 0 39 1964 -- 565 5 1953 0 2000 0 -- 5 1992 2000 -- 5 0 0 -- 1992 -- 1953 26 1961 5 0 -- -- 1962 1998 26 3 5 -- 1996 1992 1964 0 3 -- -- 2000 0 1992 1996 1992 0 1940 -- 1996 -- 1996 1925 1965 -- 1928 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Nueces R Basin Mission R Basin Aransas R Basin R Aransas 28'58" 97 17'30" 97 28'58" 97 17'30" 97 25'42" 99 28'21" 100 07'25" 99 47'00" 99 30'00" 99 25'34" 99 57'53" 98 18'31" 98 25'16" 98 29'18" 99 30'16" 99 14'44" 99 29'27" 99 18'05" 99 34'10" 99 27'05" 99 23'26" 99 34'23" 99 33'01" 99 31'34" 99 30'58" 99 29'20" 99 21'43" 99 27'27" 99 26'38" 99 08'03" 99 09'15" 99 47'34" 99 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08189500 Misson R at Refugio, TX08189800 Chiltipin Cr at Sinton, TX08190500 Nueces R nr Brackettville, TX West 08192500 Nueces R nr Cinonia, TX08193000 Nueces R nr Asherton, TX08194000 Nueces R at Cotulla, TX08194200 San Casimiro TX Crnr Freer, 08194500 Nueces R nr Tilden, TX 28 08194600 Nueces R at Simmons, TX08195000 Frio R at Concan, TX08196000 28 TX Dry Frio R nr Reagan Wells, 29 08197500 Frio R below Dry Frio R nr Uvalde, TX08198000 Sabinal R nr Sabinal, TX08198500 Sabinalat R Sabinal, TX 08200000 TX Hondo Cr nr Tarpley, 08200500 Hondo Cr nr Hondo, 28 TX08200700 28 nr Hondo Hondo,TX Cr at King Waterhole 08201500 27 Seco Cr at Miller Ranch nr Utopia, TX 28 08202000 Seco Cr nrUtopia, TX08202450 Seconrinflow Cr Reservoir Utopia, TX 29 28 08202490 28 Seco Cr Reservoiroutflow nr Utopia, TX 29 08202500 Seco Cr nrDíHanis, TX08202700 SecoRanch Cr at Rowe 29 nrDíHanis, TX08202790Cr nrDíHanis, Reservoir inflow Parkers TX 29 08202810 Cr Parkers Reservoir outflow nr DíHanis, TX 29 08202900 TX Seco Cr nrYancey, 29 29 08204000 29 Leona R springflow nr Uvalde, TX08204500 TX Leona R nr Divot, 29 29 29 29 29 29 29 29 29 29 28 08192000 Nueces R below Uvalde, TX 29 08189300 Medio Cr nr Beeville, TX08189700 Aransas R nr Skidmore, TX08190000 Nueces R at Laguna, TX 28 28 29 Table 2. Table Footnotes at end of table.

42 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin ) 2 area (mi buting Contri- drainage 36'17" El Paso28'09" El Paso26'41" El Paso21'55" 28,700 Presidio23'06" Terrell02'21" -- Eddy 2.3003'15" Eddy 6.40 27600'00" -- Reeves 4 Yes56'50" 195 Reeves 19,500 2049'52" -- 0 19 Reeves37'34" 20,500 -- Reeves 0 689 19 -- 6 4 464 21,200 12 -- 20 -- 63 6 0 21,700 12 -- -- 23 0 -- -- 63 1959 0 -- 1971 23 63 0 -- 15 1974 59 1958 63 1972 1977 15 6 1977 0 1969 0 -- 0 -- -- 3 0 1977 -- 59 1938 1938 1980 2000 -- 3 1940 1915 -- 1937 -- 2000 1923 1938 1957 1996 1970 1972 L L L L L L L L L L L 08'40" Frio32'50" McMullen32'44" McMullen20'47" McMullen16'52" 4,490 3,430 Oak Live 10'40" 783 Oak Live 06'11" 5,490 -- Oak Live --05'48" 1,170 -- Oak Live 51'36" 15,400 22 -- San Patricio 85 22 -- 3630'06" 85 49 84.4 -- 16,700 Nueces 155 36 49 6804'31" -- 0 85 -- 0 Jim Wells 6802'00" -- 0 67 Jim Wells59'15" 1979 0 3 61 1916 Jim 90.3 Wells08'08" -- 17 0 1965 319 18 -- Brooks 343'25" 1925 0 17 -- -- 507 2000 Kleberg38'26" -- 1933 2000 1916 518 Kleberg --43'29" 2000 61 0 28 -- 1980 1983 Kleberg -- 040'02" 476 2000 28 26 Kleberg --34'42" 2000 -- 1969 40 23 Kleberg 1973 0 -- 35 -- -- 1 0 1940 0 44 -- 2000 1971 18 1989 26 38 1 -- 1973 23 10 -- 18 4 ------4 0 -- 4 -- 2000 4 0 1964 4 4 1963 1989 1966 4 4 0 2000 -- 1968 4 0 -- 4 1963 1996 0 2000 1996 0 0 1996 0 0 1999 1996 0 1999 1996 0 1999 0 1999 1999 L L L L L L L L L L L L L L L L L L L Rio Grande Basin San Fernando Cr Basin Cr Fernando San Nueces R Basin—Continued Oso Cr Basin (Coastal Basin) 44'11" 99 28'02" 98 35'14" 98 29'31" 98 37'19" 98 25'38" 98 08'30" 98 03'34" 98 02'17" 97 42'40" 97 45'59" 98 46'20" 98 43'30" 97 15'51" 98 33'28" 97 33'33" 97 28'57" 97 27'55" 97 28'23" 97 57'32" 106 49'20" 106 47'02" 106 34'50" 104 07'46" 102 04'30" 104 01'23" 104 02'00" 104 52'40" 103 52'21" 103 40'07" 103 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued no. Station 08206600 Frio R at Tilden, TX08206700 San MiguelCr TX nr Tilden, 08207000 Frio R at Calliham, TX08208000 Atascosa R at Whitsett, TX08210000 Nueces R nr Three TX Rivers, 08210300 Ramirena TX Cr nr George West, 08210400 TX Lagarto Crnr George West, 08211000 Nueces R nr Mathis, TX08211900 San FernandoCr at Alice,TX 28 08212000 San FernandoCr nr Alice, TX 28 08212400 Los Olmos Cr nr Falfurrias,TX 08212500 28 28 28 28 Upper Madero Canal nr Kingsville, TX08212600 Chiltipin Canal nr Kingsville, TX 28 08212700 Pinto Cr Canal nr Kingsville, TX08212800 Lower Madero Canal nr Kingsville, TX08212900 Crnr Kingsville,TX Tunas 28 27 27 27 27 27 27 27 27 08365600 McKelligon Canyon at El Paso, TX08365800 GovernmentDitch at El TX Paso, 08373200 Cibolo Cr nr Presidio, TX08376300 Sanderson Canyon at Sanderson,TX 08407500 Pecos R at NM Red Bluff, 08408500NM Delaware R nr Red Bluff, 08409500 Pecos R nr Angeles, TX08411500 Salt ScrewbeanDraw nr Orla, TX08412500 Pecos R nr Orla, TX08414000 Pecos R nr Mentone, TX 31 31 30 29 32 32 31 32 31 31 08205500 TX Frio R nr Derby, 08211520 Oso Cr at Corpus Christi, TX08211800 San Diego Cr at Alice,TX 28 27 08363840TX Grande Rio Bridge nr Anthony, at Vinton 27 31 Table 2. Table Footnotes at end of table.

Table 2 43 4 2 Last year First lated regu- First lated Begin and end year end and Begin unregu- 3 2 Regu- lated lated Unregu- Years of record of Years Total 1 Urban basin d indicated. ) 2 area (mi buting Contri- drainage 30'00" Reeves28'01" Reeves58'09" Davis Jeff 50'43" 21,600 Davis Jeff 47'19" 22,100 Reeves47'16" Reeves -- 53.843'30" Reeves -- --27'31" -- Reeves 429'07" 21 Reeves --00'04" -- 17 4 Davis Jeff --47'30" 0 Davis Jeff 17 1,020 -- -- 2545'00" Davis Jeff 1,880 0 --27'33" 21 25 Reeves 52.4 -- --24'00" 0 2 227 Reeves 26 1917 --15'00" -- 303 -- Ward 2 0 --42'48" 1933 3 26 1 Brewster --40'00" 3 -- 1900 612 20 1920 Brewster -- 3,710 0 1933 1 1954 38'24" 0 15 Brewster 0 20 1949 0 26,000 --44'08" -- Brewster 15 5 --08'15" 27.9 1932 3 0 1966 1932 Pecos --53'33" 18.1 0 3 -- 5 Ward 8 -- -- 1244'32" 11.3 -- 1933 0 Crane -- 1933 51'59" 1967 29.7 -- 1 8 1965 -- 0 Pecos -- 0 525'02" 1,180 -- 1940 1963 Pecos -- 27,800 0 1945 1933 546'11" 1940 -- Pecos 12 5 27,800 0 1986 1945 1927 543'58" -- Terrell 5 1977 -- 9 --08'42" 1 Verde -- Val 5 1976 29,600 -- 0 -- 13 1931 9 31,600 -- 0 6 -- 13 1940 20 2,730 -- 1972 0 1951 -- 763 1983 0 -- 1972 0 -- 1940 0 61 0 1940 1972 -- -- 23 -- 1976 13 1969 -- 6 0 23 20 1976 1965 34 -- 11 0 1976 -- 34 -- -- 61 11 1977 0 1977 13 1917 1923 -- 0 1942 1925 0 1956 -- -- 1940 1926 1975 2000 1922 1964 -- -- 1949 1973 1985 L L L L L L L L L L L L L L L L L L L L L L L L L L L Rio Grande Basin—Continued 35'00" 103 26'11" 103 52'04" 103 56'01" 103 56'51" 103 56'34" 103 59'00" 103 16'50" 103 18'54" 103 36'48" 104 40'52" 103 47'00" 103 57'28" 103 21'00" 103 25'00" 103 21'30" 103 21'06" 103 20'10" 103 22'52" 103 02'27" 103 19'18" 102 17'00" 102 53'20" 102 06'47" 102 39'34" 101 27'07" 101 57'48" 101 L L L L L L L L L L L L L L L L L L L L L L L L L L L Station nameStation Latitude Longitude County Inventory of daily mean streamflows active for and discontinued streamflow-gaging stations in Texas—Continued An urban basin has at least 10-percent impervious cover. impervious 10-percent least at has basin urban An Record might notcontinuous be from beginyear end to year. Partial-record data exist forsome stations outsideperiod ofrecor regulatedA basinhas at least10 percentof contributing its drainage areacontrolled byat least one reservoir. Inventoryincludes data through 2000 wateryear.Most stations withendyear of 2000 arein operation. still 1 2 3 4 no. Station 08420500 Pecos R at Pecos,TX 08424500 TX Madera Canyon nr Toyahvale, 08425500 TX Phantom LakeSprings nr Toyahvale, 08427000 TX Springsat Toyahvale, Giffin 08427500TX San SolomonSprings at Toyahvale, 08430000 East Sandia Springat Balmorhea, TX08431000Cr nr Pecos, TX Toyah 08431500 Salt Draw nr Pecos,TX 08431700 Limpia TX Fort Davis, Cr above 08431800 Limpia TX Davis, Fort Cr below 08432000 30 LimpiaTX Davis, Cr nr Fort 08433000 30 Barrillanr Draw Saragosa,TX 08434000Lake nr Pecos, TXCr Toyah below Toyah 30 08435500 TX Pecos Barstow, 31 R below 30 08435600 30 Cr nr Alpine, TX Toronto 08435620 Alpine Cr at Alpine,TX 08435660 Moss Cr nr Alpine, TX08435700 Sunny Glen Canyon nr Alpine, TX08435800 CoyanosaDraw Stockton, nr Fort TX 30 08438100 31 Pecos R nr Grandfalls, TX 30 31 08441500 31 Pecos Grandfalls, R below TX08444500 Comanche Springs at Fort Stockton, TX 30 08446500 30 Pecos R nr Girvin,TX 08447000 Pecos TX R nr Sheffield, 08447020 Independence Cr nr TXSheffield, 31 08449000 R nr Juno, Devils TX 30 30 31 30 30 30 31 31 30 31 30 29 08416500 TX Pecos Barstow, R above 31 Table 2. Table

44 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 52'45"22'13" 15,37616'31" 18,17824'49"11'37" 27 475 930 40 2,95841'46" 1.9913'14" 2.6 3.24 2.67 82.5036'32" 2.2 7.24 74 1,013 22.5 4.7 8.12 7814'29" 8.11 15.5 41.8007'14" 460 43.7 2.92 7.01 .31 0.6704'24" 703 17 3.3 2.83 34 .74 267 .71 0.51 2,195 .36 17.5 6.4 4.21 2,989.16 4.77 1.17 2,371.29 .19 57 3.0903'52" .16 10.5 2,463.74 .95 1004'29" .71 6.54 66.6 18.1 1,628.4 9.2 7.12 .44 540 2.597.91 2,301.5 .94 .2712'31" 29 .27 50.3 6.1 6.06 65 1,941.41 2,4179.04 8.7 19.5 20 .62 11 223 .70.69 2,545.99 13.8 36.2 1.53 .48 1.04 2.76 .48 1,583.9 .06 .56 50 1,492.98 1.03 2,165.55 2,230 2.96 13.6 .81 .22 1.2 .28 .27 1,530 .18 1,590 L L L L L L L L L L L L L L 44'24" 303 7.1 6.3116'40" 1431'53" 2,929 14,634 9.9647'10" .76 16 31348'02" 937 .7123'18" 7.58 3.25 1,425.69 08'33" 584 41 203 1,87455'57" 20 2,08650'20" 2,19454'17" 237 19.2 .88 6.9 5.25 4.56 31 2,24632'00"1.08 13 18.2 17'47" 25.5 11.9 1.3 1.17 652 .47 9.33 54 1,05436'46" .71 6.49 1,166.03 952.57 3,43914'23" 1,351.78 .75 9.0 8.27 2.77 6805'05" 4.51 481 27 14 5.6 8.71 83 1,03733'47" .78 36 14054'50" 10.7 1,334.23 178 47.8 .71 39,720 6.0654'55" 68.3 2.8 1.12 11.6 1.27 7.99 66.6 1.0 35'41" .31 5.36 0 2.06 25.6 .57 150 .701.67 2,790 1.0835'15" .43 62.5 83.3 1,152.7 .98 4.31 991.3 44.1 .52 .14 1,062.72 .74 .71 1.333.8 527 -- .57 924.26 6.96 1,039.7 2.65 3.1 276 5.89 2.9 4.06 .69 872.71 333 923 -- 3.0 .45 19 9.25 .19 .37 1,589 11 .30 470 .84 -- 3.85 2.11 1.48 4.74 .15 .80 20 .14 4.77 36 -- 825.32 934.72 .42 495 17.4 1.07 -- 460.74 28.7 .38 .87 831.57 .80 379.91 372.42 L L L L L L L L L L L L L L L L L L L L 28'13" 101 56'06" 100 14'19" 100 50'15" 101 34'09" 100 21'16" 99 56'08" 100 57'27" 100 19'45" 100 15'51" 100 28'23" 100 13'39" 100 10'45" 99 06'36" 98 57'02" 100 47'45" 100 49'14" 99 37'19" 100 38'39" 99 42'01" 99 45'36" 99 48'50" 98 52'09" 98 54'21" 98 54'34" 98 03'11" 98 39'45" 98 49'36" 98 48'46" 98 49'08" 96 12'42" 95 15'59" 95 21'23" 95 28'29" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L , square feet; ft/s, feet per second; --, not available; FTW, Fort Worth] Fort FTW, , square feet; ft/s,not feet--, second; per available; 2 Station name Latitude Longitude /s, cubic feet per second; ft, feet; ft ft, per second; feet /s, cubic 3 Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued , square miles; ft miles; square , Table 3 no. 2 Station 07228000 Canadian R nr Canadian, TX07235000 Cr at Lipscomb, Wolf TX07297910TX Fk Red R nr Wayside, PrairieDog Town 07299540 Fk Red R nr Childress,TX PrairieDog Town 07299670 Groesbeck Cr at6nr SH Quanah, TX07300000 Salt Fk Red TX R nr Wellington, 07301200 McClellan Cr nr McLean, TX07301300 North Fk Red RnrShamrock, TX 34 07301410 34 SweetwaterTX Cr nrKelton, 07307800 Pease R nr Childress, TX 35 07308200 TX Pease R nr Vernon, 34 36 07311630 Middle Wichita R nr Guthrie, TX07311700 North Wichita R nr Truscott, TX 34 07311800 35 South Wichita R nr Benjamin, TX 35 35 34 34 33 33 33 07299890 Lelia TX Lake Bell Cr below Cr nr Hedley, 07308500 34 Red R nrBurkburnett, TX 07311600 North Wichita R nr Paducah, TX07311783 dam flow South nr Guthrie, Rlow below Wichita TX07311900TX R nr Wichita Seymour, 07312100 R nrMabelle, Wichita TX07312110 33 South Side Canal nr Dundee, TX07312130 TX R at Wichita SH 25 nr Kamay, 07312200 Beaver Cr nr Electra, TX 33 07312500 Wichita R at Falls, TX Wichita 34 07312700 Wichita R nrCharlie, TX07314500 Little TX Wichita R nrArcher City, 07314900 Little Wichita R above Henrietta, TX07315200 East Fk Little R Wichita nr Henrietta, TX07331600 at Denison Red River Dam nr Denison,TX 07342465 33 SouthSulphur R at Commerce,TX 33 07342480 33 Middle Sulphur R at Commerce, 33 TX 07342500 SouthSulphur TX R nr Cooper, 07343000 North Sulphur TX R nr Cooper, 33 33 33 33 33 33 34 33 33 33 33 07227500 Canadian R nr Amarillo, TX 35 Table 3. Table [mi 3. Table

Table 3 45 of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 03'44"05'33" 1,40511'03"52'55" 49429'55"8.22 276 23.4 7.2 21'26" 16 36645'03" 57 85020'45" 9.5 76 36504'36" 14 33 383 3.17 18215'11" 675 25055'09" 168 782.78 .52 6.03 77.7 1.4 29'08" 73 112 7.4 1.11.506.21 9.0 .46 78.7 67.7 27'46" 182 34.3 176 756 7.4 66.3 .88 337 1,35712'23" .22 1.97 3.29 3.89 4.63 658.5 05'29" 343.9 .29 585 5.34 247.49 275.48 .33 2,25957'36" 5.15 70 .69 .51 22 142.42 81.5 403.5 5.9148'15" 231 2.26 485.07 5.09 2,79142'35" 43 1.11 180 204 4.95 468 1.95 286.45 2,94321'12" 4.43 171.47 .45 3,155 174.6 33'57" 28 49 78 552 4.21 .37 3,58931'10" 7.44 161 .21 7,17836'30" 26 85 2.91 548 214 5.74 7,482 18.7 1.2947'07" 7.62 461.4 896 8,229 3,940 232.67 10044'37" 4.63 39.2 111 .71 66.6 62825'50" 2,720 6.16 .67 .64 58 824 128 3,590 9,32948'35" 72 1.68 389 2.56 370 .67 1,145 4.3723'55" .82 150 17.54 228 111 2,724 317.42 57'24" 4,710 17.21 297 64 2.83 304.16 1.37 387 3,636 7.39 22018'15" 1,360 263 840 278.38 1.42 1,72609'03" 1,460 20.44 3.89 279 625 43 6.7 1.46 2,28009'03" 365 2.26 935 503 1.91 1.02 243.85 6.1915'48" 1.84 345 5.38 89 740 1.56 5.33 7,574 5.9620'04" 230 5,430 5.6 190 78.3 .81 104 147 5.3 4.92 151 23004'49" 10.36 860 2,980 0 4.4340'42" 364 1.82 336 .86 18 60.59 1,020 33.42 686 93.5 318 683 5.33 134.69 14.88 336 51.05 312 .74 61 177 .62 2.34 1.38 84 1.09 –5.92 .76 21.5 24.4 4.58 .49 9.81 2,415204.3 4.67 .99 3.4 31113 14.36 6.6 2.6 1.13 85 264.06 136.46 4.7 14.5 88.41 61 1.24 190.22 .48 4.681.09 13.61 288 5.8 .21 132 5.1 169.58 .45 1.17 0 .32 754 .64 3.39 869.28 2.16 25.12 0 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 23'26" 95 19'20" 95 58'32" 95 01'15" 94 44'58" 94 46'40" 94 40'21" 94 42'46" 94 07'58" 96 53'52" 96 48'22" 95 36'49" 95 45'47" 95 33'35" 95 36'14" 95 31'37" 94 28'47" 94 25'00" 94 19'38" 94 10'25" 93 03'50" 93 44'49" 93 49'08" 93 18'13" 93 53'32" 95 07'58" 94 01'29" 94 40'10" 94 30'15" 94 23'46" 94 47'27" 94 23'52" 94 06'21" 94 17'30" 98 16'27" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 07343500 White Oak TX Cr nr Talco, 07344486 Brushy Cr at Scroggins, TX07344500TX Big Cypress Cr nr Pittsburg, 07346000 Big CypressCr nr Jefferson, TX07346045 Black CypressBayou at Jefferson, TX07346050 Little Cypress Creek nr OreTX City, 07346070 Little Cypress Creek nr Jefferson, TX08017200 Cowleech Fk Sabine R at Greenville, TX08017300 South Fk Sabine R nr Quinlan, TX08017410 Point, SabineTX R nrWills 08018500 Sabine R nrMineola, TX08019000 33 Lake Fk Cr nr Quitman, TX08019200 33 32 32 Sabine R nrHawkins,TX 32 08019500 TX Big SandyCrnr Big Sandy, 32 08020000 TX Sabine R nrGladewater, 32 33 08020450TX Sabine Longview, R above 08020900TX Sabine Longview, R below 08022040 32 Sabine R nrBeckville, TX08025360 BendReservoirTX nr Burkeville, Sabine R at Toledo 08026000 Sabine R nrBurkeville, TX 08028500 32 TX Sabine R nrBon Wier, 08029500 BigCr nrNewton, TX Cow 32 08030500 32 31 Sabine TX R nrRuliff, 08032000 32 Neches R nr Neches,TX 32 08033000 Neches R nr Diboll, TX08033500 32 32 Neches R nr Rockland, TX08036500 32 Angelina R nrAlto, TX08038000 Attoyac Bayou nr Chireno, TX08039100 32 Bayounr San Augustine,TX Ayish 08040600TX Bluff, Neches R nr Town 08041500 31 Cr nrKountze, TX Village 08041700 30 Pine Island BayounrSour Lake, TX08042800 30 R nr Jacksboro,Trinity Fk TX West 08043950 Big SandynrCr Chico, TX 30 31 31 31 31 31 31 30 30 33 30 33 07343210TX Sulphur Talco, R below 33 Table 3. Table

46 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 33'30"34'58" 1,72539'06"26'30"3.45 75.6 3.7 26'49" 14 121 6821'31" 43119'56" 5417'21" 6.24 518 6.49 8.33 3.2 2,61515'53"22 52 6.7 2.9 12 2,685 .5159'42"18.3 07'22" 2.3 1.23.11 .74 16 2.8 40 84.5 3.7 119 3,06506'06".50 .46 12.4 17.29 11.2 5255'32" .15 681.11 8.41 25.5 .01 0.5409'22" .56 .93 178 .79 .26 62.8 635 56'49" 20 3.45 4.26 298 3.51 604.22 2.29 29 810 48'25" 5.07 174 1.15 38.1210'45" 3.056.54 660.57 1.0 .90 38.8 1.6 .39 53'33" 4.2 6.93 89 .081.8 2.54 15.7 1.3 4.4 3.24 .21 29.2 .0457'39".36 12 2.262.1 .69 295 38.3 1.36 .4117'25" 589.93 7.8 3.4 .12 .54 .13 75.5 .95 1715.83 1,673 2.4456'39" 1.01 640 .355.8 .09 1.6449'18" 445 519.24 25 .15 4.8 400 .49.52 478.7 532.91 1.04 .17 531.08 2,459 23.6 45'23" 30.8 220 6,10640'11" 1.01 621.08 1.92 .77 .31 6.0236'31" 19 148.42 534.76 66.4 13 61.4 700 28'58" 4.68 36.3 405.42 404.31 41836'51" 9.03 1.69 48 164 3.36 71.2730'12" 3.41 84 13.2 1.99 582.23 83.1 1429'06" 46.5 106 27 62.7 72.2 120 218 .94 1,11827'46" 14 1.15 1,256 351 11.6206'20" 10.55.95 .18 431.4 8,14740'52" 13.6 .99 24 46 13 3.78 60 1.19 8,53838'24" 2.28 .50 94 4.54 1731'12" 333.36 915 4.18 606.66 6.3117'37" 1,290 38.7 3.66 432.39 178 6.21 0 368.02 44 2.69 1.61 807 64 .72 18.1 2.89 .16 142 46 4.63 2.0 2.52 526.29 94 1.06 1.2 .56 81 144 34.4 1.3 13.5 .17 .48 50 10.6 .78 528.74 170 1.5 390 1.8 3.29 518 .44 .41 .79 476 450 6.38 2.77 .55 8.4 367.52 1.79 2.25 3.06 40 2.5 5.88 338.69 3.7 .29 374.86 .64 5.51 239.21 370.18 88 297.65 .36 280.13 .52 340 2.2 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 17'40" 96 05'07" 97 56'44" 97 44'25" 97 39'54" 97 41'42" 97 43'56" 97 45'39" 97 45'06" 97 36'12" 97 45'46" 96 29'27" 97 34'51" 97 44'51" 96 37'27" 97 33'16" 96 31'34" 96 20'10" 97 17'00" 96 02'44" 96 07'08" 97 57'57" 96 46'29" 96 53'21" 96 42'17" 96 14'38" 96 57'35" 96 46'27" 96 38'19" 96 25'35" 96 08'05" 96 56'18" 96 14'36" 96 11'54" 96 50'46" 96 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08044800Cr at Reno, TX Walnut 08045850TX R Clear nr Weatherford, Fk Trinity 08047000R Clear nr Benbrook, Fk Trinity TX08047050 Marys Crat Benbrook, TX08047500 TXR ClearFTW, at Fk Trinity 08048000TX R at FkTrinity FTW, West 08048543TX R atFkTrinity Beach St, FTW, West 08048970 Cr at Everman, Village TX08049500 Fk R Trinty at Grand Prairie, West TX08049580 32 TX Mountain Cr nrVenus, 08049700Cr TX nr Mansfield, Walnut 32 08050100 Mountain Cr at Grand Prairie, TX08050400 32 Rat Gainesville, Elm Fk Trinity TX08050800Cr nr Collinsville, Timber TX 32 08050840 32 32 Range Cr nr Collinsville, TX08051500 32 Clear Cr nr Sanger, TX08052700 32 TX Little Elm Cr nrAubrey, 08053000Rnr Elm Lewisville, Fk nr Trinity TX08053500 32 Denton Cr nrJustin, TX 08055500 Elm Fk RTrinity nr Carrollton, TX08057000 32 32 Trinity R at Dallas, TX 33 08057200 32 TX Dallas, Ave, Greenville at Cr Rock White 08057445 Prairie Cr at US 175, Dallas, TX08058900 TX R at McKinney, Trinity Fk East 33 08059400 SisterCr nr BlueGrove Ridge, TX 33 08061540 33 Rowlett Cr nr Sachse, TX08061750 TX R nr Forney, FkTrinity East 08062000 33 32 33 R nr Crandall,FkTrinity East TX08062500 32 TXR nr Rosser, Trinity 08062700 Trinity R at Trinidad, TX08063100 33 RichlandCr nr Dawson,TX 08063800 Cr nr Bardwell, Waxahachie TX08064100 32 33 32 Chambers Cr nrRice, TX08064700 33' Cr nr Streetman, Tehuacana TX 32 32 32 32 32 32 31 31 32 08044500 R nr Boyd, TXTrinity Fk West 33 Table 3. Table

Table 3 47 of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 47'21"53'17" 12,83339'22"46'39" 150 13,911 1,49005'18"57'31" 321 2,40056'55" 8.36 11 5746'46" 100 141 16,844 1151'02" 9.0 4.66 6.3649'05" 152 17,186 958 182 2,770.7959'10" 3.6 12 3.61 19.5 14.8 13 17,46823'34" 22 1,270 1.45 2,710 .7627'25" 8.6 265 50 20,400 3.75 64.9 1417'59" 5.65 240.11 451 9.58 1.86 13.38.3228'52" 21 11.3 2,380 1.6 828 25.51 .47 9.26 260 175.06 26'10" 7.88 962 6.98 45548'29"4.68 .51 34 1.16 150 14 14.34 8.8 25.2 34.5 1.4 6,170 141.15 43'03" 9.97 10,200 95 409 139.85 1.64 7.1 24.2 8.98 11541'50" 1.33 110 13.8 .64 .99 63.4 .7935'54" .83 .45 1.98 131 40 3.6630'42" 11.03 .47 43 23.73 22.42 .57 1.86 41 .5625'43" 62 .23 88 214 47.36 3.0 100.12 06'14" 116.06 25.92 –2.22 248 62.32 29.88 5.9 31.31 3.1107'27" 9.4 0 285 111 71.05 1118'08" 5.33 36 .73 325 25.02 9.9 1.3510'05" 43 388 .60 64.87 1.04 24.7 03'35" 27 105 13.9 1.15 .69 31.8 4.62 1.3148'24" 50 3.0 117 1.26 14.78 .5741'12"1.47 1.28 87 218 95.03 .35 .5622.72 3.21 29.5 28.9 1.0438'47" .88 100 1.0 33 2823.3 4.92 63.3 8.0 27.6 36'20" 26.5 19.8 2.75 .42 .98 .87 25 1.18 80 63.89 4.96 21.5 1.9 73.1 33'27" 501.182.14 100 8.96 9.6 7.7 24.6 10 .92 3.22 70 75.6 31'24" 40.5 75.02 293 6.86 17 1.8729'16" .91 33 307 .88 54.4 14 .29 14.9628'09" 32 317.81 43.98 67.6 11.7 .28 49 16.4 .72 1.09 13.5 80 53.38 28.7 1.01.36 110 .42 1.6 7.5 100 .71 11.4 3.5 4.4 107.98 8.2 108 34.9 .72 19.1 50.19 .79 .31 .87 .43 39.98 90 40 1.091.96 33.24 39.91 118.44 36.6 56.5 0 0 39 1.54 81.61 43 –.67 1.15 91.8 1.15 2.35 1.08 –1.35 –1.4 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 38'54" 95 34'11" 95 20'18" 95 53'03" 95 54'25" 95 42'58" 94 34'19" 94 28'52" 94 25'30" 94 03'27" 94 58'20" 94 20'31" 95 14'40" 95 05'09" 95 07'51" 95 06'37" 95 57'00" 95 57'32" 95 00'57" 95 58'24" 95 00'23" 95 02'08" 95 20'11" 95 08'43" 95 15'34" 95 13'57" 95 06'34" 95 44'35" 95 49'50" 95 52'01" 95 45'42" 95 45'43" 95 44'48" 95 51'04" 95 49'40" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08065200 UpperKeechi Cr nrOakwood, TX08065350R nr Crockett, Trinity TX08065800 Bedias Cr nr Madisonville, TX08066170 Kickapoo Cr nrOnalaska, TX 08066200 Long King Cr at Livingston, TX08066250R nr Goodrich, Trinity TX08066300 Menard Cr nr Rye, TX08066500 Trinity R at Romayor, TX08067000 Trinity R TXat Liberty, 08067500 31 TX Cedar Bayounr Crosby, 08067650 Fk San Jacinto R West below Lake Conroe nr Conroe, TX08068000 Fk San Jacinto R West nr Conroe, TX08068090 30 Fk San Jacinto West R above Lake Houston nr TXPorter, 31 08068450 30 Panther Branch nr 30 Spring, TX08068500 30 SpringCr nr Spring, TX08068720 30 CypressCrKaty-Hockley at TX Rd nr Hockley, 08068740 30 CypressCrHouse-Hahl at Rdnr Cypress, TX08068780 Little CypressCr nr Cypress, TX08068800 30 Cypress Cr at Grant Rd nr Cypress, TX 30 08068900 30 TX CypressCrStuebner-Airline at Rd nr Westfield, 08069000 29 30 TX CypressCr nr Westfield, 29 08070000FkSan East Jacinto R TX nr Cleveland, 08070200 29 TXFkSan East Jacinto R Caney, nr New 08070500 Caney Cr nr Splendora, TX 30 30 08071000 Peach Cr at Splendora,TX 08071280 Luce Bayou above Lake Houston nr Huffman, TX08072300 30 29 TX Bayou Buffalo nr Katy, 30 08072730TX BearCr nr Barker, 08072760 Rdnr Addicks, TX(2yrs. data) Little Langham York CrWest at 08073500 30 29 30 Bayou Buffalo nr Addicks, TX08073600 30 BeltDrat Houston, Bayou Buffalo TXWest at 30 08073700 Bayou Buffalo Piney at Point, TX08074150 Cole Cr at DeihlRd,Houston, TX08074250 BrickhouseGully Costa at Rica St, Houston, TX 30 30 29 29 29 29 29 29 29 08065000R nr Oakwood, Trinity TX 31 Table 3. Table

48 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 11'50"10'49"14'16" 244 1,864 2,49623'18" .02 1.5 1.36 7.1 2.65 228 5.5 .89 8.5 2.54 27.5 9.32 .55 .03 1.6 .77 2.451,624.79 .70 .3 3.0 .34 1.42 1,588.7 .03 1.1 .47 2,222.47 1,885.09 L L L L 23'49"33'43"31'41"61.88 86.3 2924'43"2.03 12.7 4.1 26'45"14.8 12.4 3.55 9.5 52.5 72 16.7 1.1917'21" 1.18 94.9 6712'58" –7.35 20.16 43.1716'04"631.63 .37 63 25.4 25'04"44.3 51.4 21.16 1218'24" 8.26 .86.98 0 16.1 7.0 6.84 73.4 14'02" 16.5 40.41 36.6 15 35.4120'05" 1.0 1.1731 0 2.2 8.27 68.7 2413'59"1.03 19.6 15 45.9 31 26.4 0 70.6619'14"23.2 -7.16 2.9 5129.5 .39 2.98 9.0 28.7 44.6 22.8 25 .79 182 .84 .72 .74 12 87.7 321.171.17 33.6 1.251.3 –.66 .7716'02" 322 11.8 25.2 .11 21.6 –.66 36.38 .66 11.2 27'53" .47 .31 5,972 –2.54 0 15 4.96 –3.09 44'56" 104 0 5740'09" 50 1338'32" 13 2,19913'27" 237 008'15" .95 1.97 478 3,98800'15" 101 1.31 12 038'37" -- .87 61314'41" 4.16 280 22,673 2.6 6.49 25 4618'08" 0 1.95 -- -- 14,030 –2.13 55'32".65 8.2 14,245 48.5 18.8 1.3 3.37 1.12 2.1239'48" 131 2.45 15,671 -- .08 1246'37" -- 1.18 264 .39 28 16,252 .4643'56" 216 1,531.91 4.06 .82 1,238.97 2024'09" 281 .26 66.92 -- 410 112 --17'51"2.2 2.67 353 1,470 13 100 .07 1.2 2.68 70.3 4.0 .63 282 17,678 1.25 .49 108 3.08 -- -- 6.2 106 .46 2.0 21 240 5.71 243 1,174.09 .31 1,350 218 .06 .22 110 1.16 633 -- 12 1,185.83 1,184.99 599 1.19 2.13 982 1,682.32 281 2.03 77 .94 2.43 7.69 1.91 1,002.98 .28 241 1.02 800 1.17 67 37.7 .60 4.09 834.23 1.29 634 697.67 24.7 .43 .49 567.82 1.05 609.66 .37 2.63 551.48 404.29 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 46'30" 95 39'23" 95 40'21" 95 41'49" 95 37'07" 95 40'27" 95 41'40" 95 47'35" 95 57'24" 95 55'05" 95 56'03" 95 51'42" 95 50'13" 95 22'09" 95 02'18" 101 00'29" 100 20'02" 100 34'51" 99 19'45" 99 47'15" 100 28'31" 99 41'24" 99 55'51" 99 56'04" 99 43'58" 99 38'54" 99 01'27" 98 51'29" 98 51'45" 98 36'56" 97 16'18" 97 13'53" 97 16'12" 97 09'02" 97 48'44" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08080500 Double Mountain Fk BrazosnrR Aspermont, TX08082000 Salt Fk Brazos R nr Aspermont, TX08082500 Brazos TX R at Seymour, 08083420 33 CatClaw Cr at Abilene, TX 33 33 32 08074800 Bayou Keegans Roark at Rdnr Houston, TX08074810 Brays Bayou Houston, at Gessner TX Dr, 08075000 Brays Bayou at Houston, TX08075400 Sims BayouHiram at Clarke St, Houston, TX08075500 Sims BayouHouston, at TX08075730 Bayou Vince at Pasadena, TX08075770 Hunting Bayou at IH–610, Houston, TX 29 08075900 Greens Bayou nr US 75 nr Houston, TX08076000 29 Greens Bayou nr Houston, TX08076180 29 Garners Bayou nr Humble, TX08076500 HallsBayou at Houston, TX08076700 GreensBayou at Ley Rd, Houston,TX 08078000 Chocolate Bayounr Alvin, TX 29 08079600 Double Mountain Fk BrazosatR TXJusticeburg, 29 29 29 29 08082700 Millers TX Crnr Munday, 08083100 33 29 TX Clear Fk Brazos R nr Roby, 29 29 08084000 Clear Fk Brazos R at Nugent, TX08084800 29 California Cr nrStamford, TX08085500 29 Clear Fk Brazos TXGriffin, R at Fort 08086212 TX Hubbard Albany, Cr below 08086290 Big Sandy Cr above Breckenridge, TX08088000 Brazos R nr South Bend, TX08088610 Brazos R nr Graford,TX 08089000 Brazos Pinto, R nr Palo TX08090800 32 33 Brazos R nr Dennis, TX08091000 Brazos R nr Glen Rose, TX 32 08091500 32 Paluxy R at Glen Rose,TX 08091750 32 Squaw Cr nr Glen Rose, TX08092000 32 NolanBlum, R at TX08093100 32 Brazos R nr Aquilla,TX 33 32 32 32 32 32 32 32 31 08074500 Whiteoak Bayouat Houston, TX 29 Table 3. Table

Table 3 49 of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 12'04"02'04"34'04" 30828'09" 35921'56" 968 1,14621'22" 6.0 4.3804'23" 182 5.5 .6449'29"2.14 29 7.8 1.66.39 20,007 43 78.2 4.3 3.7 13.6 31'58" 32.5 30 20,87036'19" 20 0.47 .42 1.9307'16" 844 3.66 4791.07 1,040 451.48 45'42" 982.46 15 53 264 40.1 57.5 31.8 2.8 1,89153'05"1.27 15.8 4.99 .70 2,34226'28" 3.8412 .30 308 1.0 1.5 32.8 .8600'59" 524.55 .50 345 455 1.3 2.82 18 3,54202'12" .50 530.51 4829'32" 17.5 .62 670 818 2.81.29 564 4.4 20'45" 560.54 5.83 605.43 6.5 3.48 44 33.3 .71 1,321 .3242'40" 1.25 2.64 24 .25 1.88 5,22841'27" 18.9 32 1.18 38 1,209.59 8.74 2.1839'21" .23 3.82 1.63 2481.01 1316'43" 1,209.93 5.0 .70 1.03 18.3 349.34 133 60 272 3.53 249.29 00'49"2.95 .66 40 83.1 4.8 56'47" 59 5.17 .46 .76 2011.2 7381.46 6.8 4.2 6,959 4.6 32'38" 3.31 1.14 .20 1.24 35.8 13 28 955.38 736.71 7,06554'16" 85 29,483 .41 955.8 25.8 1.25 1.0549'02" .60 36 3.89 185 2.1232'24" 689.06 1.18 11.3 723.85 236 498 1.21 1,540 476.68 16731'14" .44 21 244 5.3419'28" 4.86 .40 195 828.38 2.05 .19 1.61 10.3317'51" 3.84 40 60.5 87.1 239 6.1 2.69 476.58 215 11.6 1.0614'29"3.65 659.97 11 1.44 99.62 1.96 97.2 3.3 11'15"5.4 8.7 10.8 968 2.6 2.97 1,400 299.12 1,287 25.8 1.48 7.27 400.1112'18" .55 .50 34,314 1.1 1.63 1.91 505 11.645'27" 687.72 .87.51.60 4.1 1.04 362.94 23.5 18.3 .65 29 8.0 376 35,441 2,530 84.61 1.7 .97 1.28 412.6 6.51 .84 .35 284 2,950 3.97 14.74 5.1 281.89 .21 188.65 295.4 220.26 3.41 36 280.93 27 396.65 91.7 44.5 12.96 2.06 4.83 2,940 2421.42 25.2 1.1 24.8 25.5 245 2,580 .93 .87 .97 271.46 10.5 107.9 122.82 1.15 10.66 27.94 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 50'40" 97 58'41" 98 47'09" 97 40'10" 97 30'33" 97 33'20" 97 32'09" 97 08'02" 96 10'25" 98 06'50" 98 47'19" 98 25'58" 97 17'05" 97 04'12" 97 04'54" 98 54'41" 98 00'06" 97 57'59" 97 39'42" 97 37'32" 97 41'28" 97 41'39" 97 45'38" 97 50'06" 96 37'36" 96 20'21" 96 24'26" 96 25'10" 96 34'27" 96 30'24" 96 10'12" 96 58'25" 96 07'44" 96 52'51" 96 34'56" 95 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08094800 North Bosque R at Hico,TX 08095000 North Bosque R nr Clifton, TX08095200Mills,TX North Bosque R at Valley 08095300 Middle Bosque TX R nr McGregor, 08095400 HogCr nr Crawford, TX08096500 TX Brazos R at Waco, 08098290 Brazos R nr Highbank, TX08099100 Leon R nr DeLeon,TX 08099300 Sabana RnrDe Leon, TX08100000 Leon R nr Hamilton, TX08100500 LeonGatesville, R at TX 31 31 08101000 31 Cowhouse Cr at Pidcoke, TX08102500 31 Leon R nr Belton, TX08103800 Lampasas R nr TX Kempner, 08103900 South Fk Rocky Cr nr Briggs, TX08104100 Lampasas R nr Belton, TX08104500 31 Little R nr TX Little River, 08104700 31 North 31 Fk San Gabriel R nr Georgetown, TX08104900 South Fk San Gabriel R at Georgetown, TX08105100 32 BerryCr nr Georgetown, TX 32 08105700 San Gabrielat R Laneport, TX08106350 31 Little R nrRockdale, TX 31 31 08106500 Little R at Cameron, TX08108700 Brazos R at21 SH nr Bryan, TX 30 31 30 08109700 Crnr DimeBox, TX Middle Yegua 31 08109800 30 Cr nr Dime Box, East Yegua TX08110100 31 TX Davidson Cr nrLyons, 08110325 30 Groesbeck, R above Navasota TX08110430 Big Cr nr Freestone, TX08110500TX R nr Easterly, Navasota 30 08110800 30 Old R at Navasota Spanish RdnrBryan, TX08111500 Brazos R nr Hempstead, TX08111700 MillCr nr Bellville, TX 30 30 08114000 30 Brazos R at Richmond, TX 30 30 31 30 30 31 31 30 29 29 08093500 Aquilla Cr nr Aquilla,TX 31 Table 3. Table

50 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 24'37" 4,411 7.3 1.6 7.0 1.91 3.9 .56 1,776.79 17'06"56'58"52'42" 498 1,53100'49" 1,58545'42" 1,98828'49" 0 4,650 4.0 2.1301'34" 5,047 .52 11 6,098 -- 2.1 1.9430'06" 2.56 8.7 1.9242'39" 10.4 3.8238'14" 354 -- .69 33 4.58 .60 3.0 14 1,11637'50" .58 .82 1.14 .8259'36" 405 --.42 20.4 14 4.2938'12" 218 .37 5.3 1.26 1.5 6.44 .42 .20 568 34 2,048.74 1,191 2,073.49 .62 2,030.16 .58 5.8 4.04 1.97 5.7 -- 1,907.66 10.99 1.5 .98 15.5 16.5 14.2 .24 14.1 1.0 6.14 0 -- 1.5 4.88 .41 1,771.7 .26 .86 3.13 .94 1,606.51 1,986.47 12 2,240 2,010.22 -- 17 .40 1,964.72 -- 2.36 14.4 .69 .69 .85 -- 2,001.45 .20 1,968.02 -- -- 2,242.36 L L L L L L L L L L L L L L 48'45"34'56"53'37"6.44 35,773 42.8 1.7 9.43 727 3,430 3.53 11.78 126 0.48 170 0.37 4.4 57.5 1,580 11756'51" 59.39 2.18 1.04 450 9.29 2.03 30.81 2.7 3.84 0 2155'09"34'25" 6,57409'43" 3.73 12,80244'25" 25,179 .6647'07" 26 2,07316'07" 46 .18 1,12843'09" 60 1,617.72 12.84 1,62633'51" 15 3,03944'03" 4.47 32 19,819 2306'32" 2.91 51 40 1,849 13105'44" .92 88 1.15 23.6 3,24240'10" 225 3.45.73 29.2 20.7 18'19" 28.2 1.73 2.32 215 56 99 81.3 .74 4,192 .7452'10" 3.27 71 179 .71 2.65 1,574.36 13'57" .55 346 58 1,202.93 136 .6247'04" 1,394.66 369 157 33.4 .72 .48 3.2 1.24 1,264.86 55'31" 1.02 38.8 .82 9017.47 7320.8 192.69 .97 91.6 12 88.1 2.46 .60 65 22.3 4.2 1.422.6 22 .55 .65 1,863.05 4.16 8.5 89.7 4.6 174 1.58 1,530.98 51 .65 1.82 54.2 1.08 5.16 1,162.16 158 7.35 .36 1,096.22 3.34 32.8 8.74 195 10.47 .74 .45 .49 737.04 43 1.13.27 1.4 1,636.32 34 534.08 .81 862.31 .39 2.43 1,253.24 13 1,230.36 1.12 38.3 1.28 970.01 .30 1.6 1.13 1,564.96 1,096.7 L L L L L L L L L L L L L L L L L L L L L 28'35" 95 20'58" 95 18'48" 95 37'43" 101 28'38" 100 23'33" 100 11'57" 101 03'13" 100 53'07" 100 42'55" 100 44'57" 99 11'13" 100 25'38" 100 19'48" 100 16'26" 100 49'48" 100 35'33" 100 16" 27 100' 30'57" 99 29'37" 99 28'04" 99 31'02" 98 55'08" 99 00'14" 99 12'47" 98 13'04" 98 30'15" 99 39'38" 99 38'36" 99 45'04" 98 33'27" 98 13'13" 98 17'30" 98 22'19" 97 17'46" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08120700 Colorado R nr Cuthbert,TX 08121000 Colorado TX R at ColoradoCity, 08123800 TX Beals Cr nrWestbrook, 08123850TX Colorado Silver, R above 08124000 Colorado R at Robert Lee, TX08126380 Colorado R nr Ballinger, TX08127000 ElmTX Cr at Ballinger, 08128400 TX Middle Concho Tankersley, Rabove 08129300 TX Spring Cr Tankersley, above 08130500 CratTX Knickerbocker, Dove 32 08133500 32 NorthTX Concho Rat Sterling City, 08134000 North Concho RnrCarlsbad, TX08136000 32 Concho R at SanAngelo, TX 32 31 31 31 31 31 31 31 31 31 08136500 ConchoRock, R at Paint TX 31 08116650 Brazos R nr Rosharon, TX08117500 San Bernard R nr Boling, TX08117995 Colorado R nr Gail, TX08128000 South Concho R at TXChristoval, 29 29 32 08136700 TX Colorado R nr Stacy, 08138000 31 ColoradoTX R at Winchell, 08143600 Pecan Bayounr Mullin,TX 08144500 San Saba R at Menard,TX 08144600 TX San Saba R nr Brady, 08146000 San Saba R at SanSaba, TX 08147000 Colorado R nr San Saba,TX 08150000 Llano R nr Junction, TX08150700 Llano R nr Mason, TX08150800 Beaver Cr nr Mason, TX08151500 Llano Rat Llano, TX08152000 SandyCr nr Kingsland, TX 31 08152900 31 Pedernales R nr Fredericksburg, TX08153500 31 Pedernales R nr TX Johnson City, 08154700 30 BullCr at Loop 360nr Austin, TX08155200 Barton Crat SH 71nrOak Hill, TX 31 31 31 30 30 30 30 30 30 30 30 30 08115000 Big Cr nr Needville, TX 29 Table 3. Table

Table 3 51 of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 50'40"48'07"45'00" 10745'14" 11644'37" .02 12.3 41'39"1.14 6.5 2.1440'20" 2.4 .3 1.99.29 0 27,606 3.4 39'17" 25.09 1.2 .21 1.0 .08 00'27" 2.0 1,140 .29 13.1 56'23" --1.574.39 .81 -- 0.55 .24 51.3 7.5 12.1 54'11"5.1 10.5 5.18 124 2.0850'28"0 .49 0.48 3.74 -- .04 12.2 1.2 .45 47'36" 2.7 305 425.96 600 455.33 41'18" 8.24 .29 .641.93 5.4 9.6 .9219'09" -- 6.79 1,150 19 .73 .6409'42" 31.5 8.08 .17 321 28,576 .3954'13" 0 .97 1.14 27,000 -- 411.29 .14 .3631'55" 3.9 7.8 29,471 1,570 032'12".32 1.1 3.77 860 .26 6.3 1,640 5.26 -- --06'13" -- 30,327 1,520 402.27 17.3 .8800'44" 878.13 .14 4.31 9.8 -- 30,600.92 510.32 6.7 10'15" 270 3.9 240 -- 9.84 876.14 30,837 1,63041'10" 5.781.04 1,330 -- .6848'45" 4.5 1,340 1,186 229 145 -- 12.1542'32" .81 909 442.85 817 230 11.1644'39" 1.17 1.44 -- 332 815 20940'26" .23 23 437 -- 5.52 1,393 4.96 4.9432'46" 54 549 1.84 150 210.82 28'01" -- 644 22 307.38 579 270.14 -- 1.1 6.06 3.6725'01" 30 289 3.57 4.5149'08" 747 19 -- 155.52 2.03 58 178 740.25 5.15 210.04 46'07"4.46 48 66 90.8 3.6 3.7123'12"4.94 3.08 1.24 39 618.39 212.15 7.0 91.7 3.2 7.69 13.8 1.7 19'17"5.18 29 233.43.51 8.4 5.49 1.64 68.3 1.6 .73 52.42 4.98 58.1 .9216'58" 401.24 1693.0 9.4 5.89 22.2 .98 52.6 42.5 .93 288 1.21 .32 .31 5.53 1.24 22.6 1.35 5.38 29 0 114 94.5 .61 .57 .41 40 24 14.1 43.02 42.53 5.58 .78 49 159.28 2.36 19 29.16 14 120 1.75 48.5 .44 65.44 1.19 7.88 35 1.21 42 .53 .66 38 40.12 .65 36.1 59.72 29.7 1.67 1.03 32.1 .45 1,800.1 .71 1,722.7 .84 1,721.3 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 16'26" 97 14'40" 97 16'35" 97 15'07" 97 14'50" 97 14'40" 97 15'47" 97 16'59" 97 04'58" 98 09'19" 97 12'32" 97 13'34" 97 13'16" 97 10'40" 97 06'16" 97 00'45" 97 54'44" 96 47'56" 96 42'22" 96 18'32" 96 58'26" 96 55'40" 96 57'35" 96 28'00" 96 19'18" 96 08'07" 96 03'55" 96 09'36" 96 04'17" 96 04'14" 96 53'28" 96 43'30" 96 03'50" 99 04'11" 99 06'00" 99 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08155300 Barton Crat Loop 360, Austin, TX08156800 12th St, Austin, TX ShoalCr at West 08157600Bouldin East Cr at SouthSt,Austin, 1st TX 08157700 Blunn Cr nr Little StacyAustin, Park, TX 08158000 Colorado R at Austin, TX08158050 Boggy Cr at US 183, Austin, TX08158600 Cr Rd,at Austin, Walnut Webberville TX08158700 OnionCr nr Driftwood, TX08158810 BearCr FM 1826nr below Driftwood, TX 30 08158840 30 Slaughterat Cr FM 1826 nr Austin,TX 30 08158922 30 Williamson Crat Brush Country Blvd, Oak Hill, TX08158930 Williamson Crat Manchaca Rd, Austin, TX08159000 Onion Cr at US 183, Austin, TX08159200 30 Colorado R at Bastrop, TX08159500 Colorado R at Smithville, TX 30 30 08160400 30 ColoradoGrange, R above La TX 30 08160800 Redgate Cr nr Columbus, TX08161000 30 Colorado R at Columbus, TX 30 08162000 30 Colorado R at Wharton, TX08162500 Colorado TX R nr Bay City, 08162600R Palacios TX nr Midfield, Tres 08164000 R nrEdna, Lavaca TX08164300 30 Navidad R nr Halletsville, TX08164350 Navidad R nr Speaks, TX08164370 30 Navidad Rat Morales, TX 29 30 08164390 Navidad Rat Strane nr Edna, Park TX08164450 SandyCr nr Ganado, TX 29 08164503Mustangnr Cr Ganado, TX West 29 08164504 East Mustang Cr nr Louise, TX08164600 29 Garcitas Cr nr Inez, TX08164800 28 28 Placedo Cr nr Placedo,TX 08165300 North Fk GuadalupeR nr Hunt,TX 08165500 Guadalupe 29 R at Hunt, TX08166000 29 Johnson Crnr Ingram, 28 TX 29 29 29 29 29 30 28 28 30 30 08155240 Barton Crat LostCr Blvd nr Austin, TX 30 Table 3. Table

52 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 11'42"09'47"53'33" 49413'00" 51010'47" 839 1,31506'35" 81 1,43607'20" 96 1,51856'02" 131 199 2.9905'19" 130 215 133 143 1.8 54'35" 2.47 287 9339'02" 2.92 355 3540'44" 308 4.86 73 412 1.16 68.3 63.6 1.4427'00" 2.34 83 162 838 10426'57" 0.51 53 112 4.2 93 43 .44 134 3,49019'16" 1,630 52 1,601 165 5.2100'46" 234 549 253 3.16 3.84 1.5 1.84 1,070 4,934 16113'34" 79 112 4.88 1.28 5,19808'18" .352.39 948.1 1.23 1.13 6.88 22.3 1.8619'40" 1,060 40.2 13.45 1,369.83 357 1.99 1.31 9.1 2.58 66 73.4 2.2217'00" .55 2.43 79 990 .59 89.1 514 1.7315'51" 742.24 48.5 .90 10.4 3.0 .42 5.18 620.12 586.65 42.4 2614'45" .93 582.8 103 12 125 .80 125 370 .81 6.7704'11" .21 137 557.67 5.0 2.79 136 797.23 48'46" 2.23 189 .78 4.68 2.6 178.27 4.54 .14 70241'22" 17.7 43 427 5.92 3934'52" 1.56 250 16.2 8.88 700 805 431.19 1.5141'29" .75 .90 22 1.32 885 322.05 1.97 6.1435'02" 1.41 63 967 2.65 13.5 5.6218'10" 33 43 .33 .55 15 6.89 .35 5.15 1311'20"1.28 128.64 54 219 4.44 1,317 100.43 17.9 18.5 03'50" 44.18 77 585.07 29.15 5.81 1,743 21.4 2.0845'12" 32 .97 2.89 0 2,113 3618'39" 4.6 .1527 526.95 7.9 3.1 96 5.0855'48" .65 47 316 29 35.6 1.7823'04" 34 .35 -- 274 488.11 249 .65 70.1 .71 11.5 5.25 827 12.23 684.6 1.11 23.4 3,921 2.38 1.95 38 1,189.46 -- 53 71.1 1.09 3.5 1.26 1.28 .43 0 667.15 102 .50 27 32 331 573.49 2.09 1.4 305 67.6 -- 589.86 1.78 -- 493.56 121 1.37 4.56 439 1.04 9.11 40 -- 82 -- 2.07 5.75 .39 -- 1.19 380 34 216 -- .28 285.49 1,014.82 1,428.5 1.54 .78 -- 2.63 .85 -- 91.08 827 728.34 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 04'10" 99 03'11" 99 58'10" 98 51'37" 98 51'32" 98 42'53" 98 42'21" 98 53'20" 97 59'39" 98 58'45" 97 39'58" 97 55'22" 97 29'03" 97 12'54" 97 03'57" 97 47'34" 97 51'41" 97 43'51" 97 23'34" 98 19'19" 98 30'57" 98 21'25" 98 43'25" 99 19'26" 98 20'05" 98 15'43" 98 34'42" 98 19'47" 98 15'14" 98 13'19" 98 57'05" 98 48'52" 98 35'38" 98 00'50" 97 38'58" 97 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08166200 Guadalupe R at Kerrville, TX08167000 Guadalupe R at Comfort, TX08167500 GuadalupeRnr Spring Branch, TX08167800 Guadalupe R atTX Sattler, 08168500 Guadalupe R above Comal R at New Braunfels, TX08169000 Comal R at New Braunfels, TX08170500 San Marcosat R San Marcos, Tx08171000 Blanco TX R at Wimberley, 08171300 BlancoR TX nr Kyle, 29 08172000 San Marcosat R Luling, TX08172400 Plum Cr at Lockhart, TX 30 08173900 29 Guadalupe R at Gonzales, TX 29 08175000 Sandies TX Cr nr Westhoff, 08175800 Guadalupe R at Cuero, TX08176500 29 Guadalupe R atTX Victoria, 08176900 29 Coleto Cr at Arnold Rd nr Schroeder, TX 29 08177500TX Coleto Cr nr Victoria, 08178050 San Antonio R at Mitchell St, San Antonio,TX 08178565 29 San Antonio R at Loop 410atSan Antonio, TX08178700 Salado Cr(Upper Station)at San Antonio, TX 08178800 29 Salado Cr (Lower Station) at San Antonio, TX 29 08178880 Medina R at Bandera, TX 29 08180640 29 MedinaatR La Coste, TX 28 08180700 29 29 Medina R nr MacDona, TX 29 08180800 29 Medina R nr Somerset, TX 28 08181400 29 Helotes Cr at Helotes, TX08181480 29 Leon Cr at IH–35San at Antonio, TX08181500 Medina R at San Antonio, TX 28 08181800 San Antonio R nr Elmendorf,TX 08183500 TX San AntonioCity, R nr Falls 08183850 Cibolo Crat IH–10 Boerne, above TX08185000 Ciboloat Cr Selma, TX08186000 TX Cibolo Crnr City, Falls 29 08188500 29 San Antonio R at Goliad,TX 29 29 29 29 29 29 29 28 29 29 28 08166140 TX Kerrville, at Cr Bear above R Guadalupe 30 Table 3. Table

Table 3 53 of gage Elevation of datum of

Mean depth Mean velocity ) 2 (ft area Cross section (ft) width Stream (ft) Gage height Characteristics for median streamflow /s) 3 flow (ft Stream- ) 2 area (mi buting Contri- drainage 14'10" 694 .03 1.08 .08 1.0 .45 .08 1,326.79 25'02" 29,560 28 1.51 30 .85 32.5 1.08 2,269.65 L L 06'44"16'44"37'14" 87.8 0.0759'49" 690 2.89 24753'40" 7370.1840'54" 1.0 11 1,86114'23" 0.39 4.0 .64 4,08258'00" 77 2.38 0.18 5,17133'25" 7.2 .56 3.74 27 19.6 42'16" 33.5 469 17.25 3.72 1.07 8,09346'52" .26.92 .59 84.1 40'27" 79.3 2.84 389 .61 .52.7829'33" 1.52 1.06 126 34.2 56.5 0 1.0 28'46" 1,119.72 7.56 7.3 2.53 631 72.37 6.0 1.1214'47" .61 69 206 13 2109'04" -- 15 .24 241 796.12 24'10" 0 95.6 12 3.7217'05" 26 -- 149 .19 1.13 9.88 45 2.1 08'40" 78 1.6 3.11 45 470.92 32'50" -- .55 .70 168 .25 4.94 9,42932'44" 10.3 -- 35.5 0 .42 5.84.90 4,493 39 68.2 1.0114'29" 37.3 27.9 .09 .47 --16'52" 5.6 1.58 .26 783 0 368.08 .79 183.5 -- .75 5,49010'40" -- .87 .74 5.4 .50 36.6 1,335.2 12 22.6 28 1,131.2.52 1,171 1,203.7151'36" -- .57 10.3 13.5 15,427 --46'32" -- .58 -- 16,660 2.0 2.13 882.17 34 .76 .4637'32" 1,169.1 2.72 16,772 -- 11 298 30'06" 449.11 9.5 -- 26 92 16,920 2.5802'00" -- .33 131 4.47 --08'08"4.83 1,265.8 164 2.27 26 .71 90.3 2.3 2.11 --9.49 1.34 20.8 12.5 507 21 13 1.53 -- 882.47 43 476 .27 7.75 .24 58 1.89 18.1 .80 -- -- 63 4.66 242.95 .77 14.2 2.0 1.01 216.04 .76 148.5 13.13 55.5 1.66 .70 115 0 -- 897.87 10 1.04 .68 255 124.6 -1.91 1.29 1.14 159.04 900.88 -- .09 99.26 .64 2.93 1.98 -- 4.05 .68 .84 26.53 0 .29 -- 161.68 -- -- 116.58 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L 18'12" 97 17'30" 97 16'56" 97 25'42" 99 28'21" 100 07'25" 99 30'00" 99 25'34" 99 57'53" 98 18'31" 98 29'18" 99 30'16" 99 14'44" 99 29'27" 99 18'05" 99 34'10" 99 23'26" 99 34'23" 99 21'43" 99 44'11" 99 28'02" 98 35'14" 98 29'09" 98 37'19" 98 25'38" 97 02'17" 97 56'15" 97 52'34" 97 42'40" 97 46'20" 98 15'51" 98 06'47" 102 L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L L Station name Latitude Longitude Median streamflow and associated hydraulic characteristics streamflow-gaging for stations in Texas—Continued no. Station 08192000 Nueces Uvalde, R below TX 29 08189500 Mission R at Refugio, TX08189700 Aransas R nr Skidmore, TX08190000 Nueces R at Laguna, TX08190500Nueces R nrBracketville, West TX08193000 Nueces R nr Asherton, TX08194000 Nueces R at Cotulla,TX 08194200TX San Casimiro Cr nr Freer, 08194500 Nueces TX R nr Tilden, 08195000 Frio R at Concan,TX 08196000 Dry Frio R nrTX Reagan Wells, 08197500 Frio Dry R below Frio R nr Uvalde, Tx 28 08198000 28 29 Sabinal R nr Sabinal, TX08198500 SabinalSabinal, R at TX08200000 29 TX Hondo Cr nr Tarpley, 08200700 Hondo nr Hondo, Crat King TX Waterhole 08201500 28 Seco Cr at Miller Ranch nr Utopia, TX08202700 SecoCratRowe Ranch nr D'Hanis, TX 27 08205500 28 TX Frio R nr Derby, 08206600 29 Frio R at TX Tilden, 29 08206700 28 SanTX Miguel Tilden, Cr nr 08206910 Choke Canyon nrThreeTX ReservoirOWC Rivers, 29 08208000 29 Atascosa R at Whitsett, TX08210000 Nueces R nr Three TX Rivers, 29 08211000 29 Nueces R nr Mathis,TX 08211200 29 29 Nueces R at TX Bluntzer, 28 29 08211500 Nueces R at Calallen, TX08211520 Oso Crat Corpus Christi, TX08211900 San Fernando Crat Alice, TX08212400 Los OlmosFalfurrias,nr Cr TX08446500 Pecos R nr Girvin, TX 28 28 28 28 28 28 27 27 27 27 27 31 08189200 Copano Cr nr Refugio, TX 28 Table 3. Table

54 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches y and Water Commission]y and Water end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

55'11"51'32" --49'32" --47'45" --45'13" --43'55" Edwards44'26" Edwards43'43" Edwards39'58" Edwards39'18" Edwards55'11" --51'32" -- --49'32" -- --47'45" ------45'13" -- –- --43'55" Edwards --44'26" Edwards --43'43" Edwards --39'58" Edwards39'18" Edwards55'11" -- --51'32" 0 -- --49'32" 0 -- --47'45" –.12 -- -- .05 --45'13" –.02 4.9 –.05 ------43'55" 3.2 2.5 0 Edwards -- 3.044'26" 1.6 –.83 Edwards 2.5 --43'43" 30.5 Edwards -- .18 25.6 16.9 39'58" 6.6 1.3 22.4 Edwards 14.4 at US 183bridge 39'18" 19.4 Edwards 1.355'11" 3.04 -- -- 11.5 51'32" 12.8 0 -- --49'32" 0 -- 3.2 -- 4.9 47'45" 0 -- 0 -- -- 0 4.9 -- 0 -- -- 3.2 0 3.6 -- 3.0 –.21 2.5 -- 30.5 2.5 0 1.6 -- 25.6 6.6 1.3 22.4 at US 183bridge 16.9 19.4 14.4 1.3 0 -- 11.5 12.8 4.19 -- 5.34 -- 3.2 4.9 7.79 4.9 -- .83 –9.26 3.2 -- .8 –18.6 3.0 2.5 20.5 1.6 30.5 3.6 2.5 1.3 25.6 6.2 at US 183bridge 22.4 6.6 16.9 14.4 1.3 19.4 12.8 13.5 11.5 .37 3.2 .77 4.9 .83 4.9 .56 3.2 3.6 3.0 30.5 2.5 25.6 22.4 at US 183bridge 19.4 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of Results of Streamflow Gain-Loss Studies in Texas, With Results of Streamflow Gain-Loss Studies in Texas, Minor and Losses to Major and From on Gains Emphasis Aquifers Table 4 of

52'47" 97 50'34" 97 48'37" 97 46'44" 97 45'49" 97 44'51" 97 43'38" 97 43'05" 97 42'11" 97 41'27" 97 52'47" 97 50'34" 97 48'37" 97 46'44" 97 45'49" 97 44'51" 97 43'38" 97 43'05" 97 42'11" 97 41'27" 97 52'47" 97 50'34" 97 48'37" 97 46'44" 97 45'49" 97 44'51" 97 43'38" 97 43'05" 97 42'11" 97 41'27" 97 52'47" 97 50'34" 97 48'37" 97 46'44" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas Gains and losses from gain-loss studies in Texas—Continued Latitude of 130 130 130 130 130 130 130 130 130 130 230 230 230 230 230 230 230 230 230 230 330 330 330 330 330 330 330 330 330 330 430 430 430 430 /s, cubic feet/s, cubic second; per mi, miles;not--, applicable; SCS, Service; feet; Soil IBWC, ft, International Conservation Boundar no. 3 flow study Stream- Table 4. Table [ft Note: Eight digit streamflow-gaging stations used to identify some subreaches to identify used stations digit streamflow-gaging Note: Eight Table 4.

Table 4 55 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

45'13"43'55" Edwards44'26" Edwards43'43" Edwards39'58" Edwards39'18" Edwards52'41" --50'30" --47'22" Edwards46'44" Edwards --42'44" Edwards --41'12" Edwards --39'43" -- --52'41" -- --50'30" --47'22" Edwards46'44" Edwards -- --42'44" Edwards -- --41'12" Edwards -- –2.8740'18" -- --52'41" –.54 --50'30" 2.5 0 --47'22" 4.69 1.6 Edwards --46'44" 6.95 Edwards -- -- 16.9 42'44" 6.6 1.3 Edwards -- -- 14.4 41'12" 1.3 Edwards -- 10.9940'18" -- -- .34 11.5 52'41" 12.8 -- .2 .38 3.250'30" 1.45 4.9 -- 3.147'22" Edwards -- 2.6 .72 3.246'44" 4.8 Edwards -- --42'44" 3.6 Edwards -- -- 69 2.1 –1.0341'12" Edwards -- 71.6 65.9 62.7 40'18" –.08 3.99 -- -- 1.0 0 0 reservoir SCS -- below mi 0.2 57.9 3.1 4.0 .02 –.02 -- 55.8 2.6 3.2 -- -- 4.8 69 54.8 2.1 -- -- 0 -- 71.6 65.9 6.85 -- .15 62.7 57.9 3.34 3.77 reservoir SCS below mi 0.2 1.0 1.27 3.1 4.0 18.6 3.2 2.6 -- 4.8 -- 55.8 69 54.8 2.1 –3.07 65.9 71.6 17.29 62.7 .39 1.0 SCS reservoir 0.2 mi below 57.9 .9 .25 4.0 .79 3.1 1.46 3.2 55.8 2.6 4.8 54.8 2.1 69 1.01 65.9 71.6 1.77 62.7 57.9 1.0 0.2SCS reservoir mi below 4.0 55.8 54.8 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 45" 97 59" 97 45" 97 57" 97 45" 97 57" 97 45" 97 57" 97 of

° ° ° ° ° ° ° ° 45'49" 97 44'51" 97 43'38" 97 43'05" 97 42'11" 97 41'27" 97 35'12" 97 34'54" 97 34'25" 97 32'19" 97 31'19" 97 30 30 35'12" 97 34'55" 97 34'25" 97 32'19" 97 31'19" 97 30 30 35'12" 97 34'55" 97 34'25" 97 32'19" 97 31'19" 97 30 30 35'12" 97 34'55" 97 34'25" 97 32'19" 97 31'19" 97 30 30 38'42" 99'12'24"41'07" 99'09'47"43'55" -- 99'08'25"45'07" -- 99'06'33" ------.24 –.27 .2 4.8 –3.35 3.5 12.4 3.4 0 4.8 11.7 8.3 county road crossing gaging station (08086100) ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of 932 932 932 430 430 430 430 430 430 530 530 530 530 530 530 530 630 630 630 630 630 630 630 730 730 730 730 730 730 730 830 830 830 830 830 830 830 932 no. flow study Stream- Table 4.

56 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

02'22"00'45" Trinity55'31" Trinity47'51" Trinity46'37" Trinity41'47" Trinity39'06" Trinity34'59" --33'52" --30'43" Edwards29'31" -- Edwards32'08" -- Edwards --29'31" Edwards --26'40" Edwards28'21" -- Edwards26'28" -- --26'11" --46'04" ------42'56" ------41'54" -- –0.75 --39'08" -- -- –1.3838'31" -- -- 2.3 .4636'11" 12.9 -- -- –.7734'37" -- 12.829'48" .34 Trinity 80.1 –1.85 2.5 77.8 29'30" Trinity --29'24" 8.0 1 mi mouth above of Sulphur Trinity Creek 64.9 -- 7.854'55" Trinity 52.1 -- .76 .95 –1.9952'27" –.46 Trinity --51'32" 49.6 –.81 41.6 Trinity 11.8 -- 4.450'43" 2.2 8.2 Trinity 2.8 --48'45" 12.3 5.2 Trinity --45'01" 33.8 2.48 Edwards -- 19.2 2.6 14.8 --43'02" 22 Edwards -- 8.4 12.6 54'55" -- 4.7 Edwards52'36" -- 3.36 Trinity 15.8 –52.94 --51'32" Trinity 13.2 52.06 Dam 50'43" -- Hollow Stillhouse below ft 1,500 Trinity 4.8 4.4 4.4 -- –.26 Trinity gaging station (08001041) -- .2 .01 -- 16.7 –.22 5.2 -- 12.3 0 -- 1.4 300 Belton below ft Dam –.02 5.4 7.9 -- –.11 0 .32 -- 3.4 .31 4.4 5.2 9.0 -- .29 6.6 3.8 –.06 -- 300 Olden below Lake ft Dam 2.6 12 -- 15.4 .73 5.8 23.6 4.5 .23 19.8 –.22 32.6 4.0 35.2 1.81 .34 1.0 41 .9 .6 82.5 4.6 2.5 .16 78.5 0 77.5 2.6 50ft county below road crossing 1.4 0 74.1 76.6 0 4.0 69.5 .03 66.9 1.0 .9 2.5 82.5 78.5 crossing road county below ft 50 77.5 76.6 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

05'49" 98 04'37" 98 59'40" 97 58'39" 97 58'19" 97 57'09" 97 59'08" 97 01'40" 97 00'37" 97 01'14" 97 00'06" 97 02'27" 97 00'07" 97 59'23" 97 06'19" 97 04'11" 97 02'02" 97 22'17" 98 21'52" 98 20'39" 98 20'13" 98 17'53" 98 15'17" 98 13'14" 98 06'47" 98 04'34" 98 59'44" 98 44'07" 97 41'59" 97 41'56" 97 41'51" 97 41'26" 97 40'19" 97 39'44" 97 44'07" 97 42'10" 97 41'56" 97 41'51" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 1010 31 10 30 10 30 10 30 10 30 10 30 10 31 10 31 10 31 11 31 11 31 11 31 12 30 12 31 12 31 13 31 13 32 13 32 13 32 13 32 13 32 13 32 13 32 13 32 13 32 14 31 14 30 14 30 14 30 14 30 14 30 14 30 15 30 15 30 15 30 15 30 30 10 31 flow study Stream- Table 4.

Table 4 57 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

48'45"45'01" Edwards43'02" Edwards54'55" Edwards52'36" Trinity51'32" Trinity50'43" Trinity48'45" Trinity45'01" Edwards43'02" Edwards --54'55" Edwards --52'36" Trinity --51'32" Trinity --50'43" Trinity48'45" -- Trinity --45'01" Edwards --43'02" Edwards --52'37" Edwards --51'32" Trinity --50'43" Trinity 0.3 --48'44" –.12 Trinity46'29" -- –.14 Edwards 4.647'22" -- 2.6 Edwards --41'38" .4 1.4 Edwards -- 4.438'36" Edwards 74.1 -- 7.0 69.5 38'03" Edwards -- 4.0 6.46 66.9 36'52" 1.0 Edwards .42 18.033'15" -- Edwards .9 2.5 -- –2.9448'18" 82.5 Edwards 4.641'38" 78.5 -- Edwards -- 2.6 1.8 crossing road 38'36" county 1.4 below ft 50 77.5 Edwards -- 76.6 1.338'03" Edwards –3.6 74.1 --36'52" 4.0 69.5 Edwards -- 5.85 66.9 33'15" 1.42 1.0 Edwards --48'18" .9 Edwards 3.0 -- 2.5 82.541'38" –.37 4.6 Edwards --38'36" 78.5 Edwards -- crossing road county below ft 2.6 50 –.8338'03" 77.5 1.4 Edwards 76.6 -- –.23 74.1 Edwards -- 1.0 1.29 .71 -- 69.5 66.9 .8 1.04 -- 4.6 2.8 0 -- 69 –.08 5.2 -- 68 -- .47 64.4 67.2 at US 183bridge 3.6 8.9 1.2 -- 59.8 2.53 -- 3.0 11.17 -- 3.7 27.1 36 6.6 0 0 .4 23.5 20.5 at SH 195 .11 16.8 8.9 .3 –.69 10.2 3.6 3.0 9.24 3.7 36 6.6 5.93 –7.61 27.1 23.5 .4 2.24 8.9 at SH 195 20.5 13.64 16.8 3.6 10.2 3.0 3.7 36 27.1 23.5 SH 195 at at County 20.5 Road 232 at County Road 309 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

41'26" 97 40'19" 97 39'44" 97 44'07" 97 42'10" 97 41'56" 97 41'51" 97 41'26" 97 40'19" 97 39'44" 97 44'07" 97 42'10" 97 41'56" 97 41'51" 97 41'26" 97 40'19" 97 39'44" 97 42'11" 97 41'56" 97 41'51" 97 41'25" 97 40'43" 97 49'59" 97 49'36" 97 49'35" 97 51'54" 97 53'49" 97 56'48" 97 51'05" 97 49'36" 97 49'35" 97 51'54" 97 53'49" 97 56'48" 97 51'05" 97 49'36" 97 49'35" 97 51'54" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 1515 30 16 30 16 30 16 30 16 30 16 30 16 30 16 30 17 30 17 30 17 30 17 30 17 30 17 30 17 30 18 30 18 30 18 30 18 30 18 30 19 30 19 30 19 30 19 30 19 30 19 30 20 30 20 30 20 30 20 30 20 30 20 30 21 30 21 30 21 30 21 30 30 15 30 flow study Stream- Table 4.

58 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

36'52"33'15" Edwards48'18" Edwards41'38" Edwards38'36" Edwards38'03" Edwards36'52" Edwards33'15" Edwards16'49" Edwards16'05" -- --38'06" -- --33'00" -- --28'13" -- --26'19" -- --22'06" -- --16'42" -- --11'34" -- --08'15" --06'40" -- 23.802'18" -- -- 25.051'38" -- --47'01" Edwards 6.6 -- .41 –1.642'31" Edwards -- .403'02" Edwards 1.53 -- 8.901'52" 5.54 16.8 Trinity 3.6 --59'00" 7.11 Trinity 3.0 -- 10.2 36.157'45" 3.7 Trinity -- 3656'13" 6.6 27.1 Trinity --54'35" 23.5 Trinity -- .4 20.5 51'38" at SH 195 at County Road 232 Trinity -- .88 -- 16.8 49'07" at County Road 309 –.04 ------–2.0646'37" Edwards -- 10.2 4.143'38" 2.71 Edwards 3.742'43" 9.0 -- 1.7 Edwards41'35" -- 6.28 Edwards 5.0 8.303'02" -- 1.75 Edwards 4.2 2.2 51.8 --01'52" 2.7 Trinity 9.6 mouth above mi 8.3 –3.459'00" -- 42.8 Trinity 4.0 gaging station (08086200) gaging station (08105000) -- –.84 Trinity 37.8 6.0 35.6 4.8 4.0 -- .4 –3.1 26 1.21 2.4 -- -- SH 95 –.23 22 -- 4.8 5.4 16 4.4 2.0 -- 12 .24 3.0 -- .11 FM 486 9.6 12.8 -- .06 2.0 7.4 4.8 –.09 -- 3.1 3 at US 183 -- .25 2.2 FM 487 2.2 31.2 .83 29.2 2.3 .25 –3.03 at FM 1174 near Bertram 26.1 –.07 4.9 23.9 1.78 3.0 21.7 3.9 3.66 2.8 19.4 1.1 1.0 1.5 11.7 0 14.5 8.7 0 .8 4.8 .01 3.8 2.0 3.1 2.3 2.2 31.2 29.2 26.1 at FM 1174 near Bertram end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

53'49" 97 56'48" 97 51'05" 97 49'36" 97 49'35" 97 51'54" 97 53'49" 97 56'48" 97 40'39" 99 41'00" 99 39'18" 97 38'09" 97 37'52" 97 38'38" 97 41'10" 97 41'39" 97 41'14" 97 41'30" 97 42'36" 97 43'38" 97 37'14" 97 36'56" 97 37'12" 97 42'55" 98 42'09" 98 41'17" 97 40'31" 97 39'32" 97 38'53" 97 37'14" 97 36'42" 97 37'10" 97 37'13" 97 37'12" 97 37'34" 97 42'55" 98 42'09" 98 41'17" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 2122 30 22 30 22 30 22 30 22 30 22 30 23 30 23 32 24 32 24 30 24 30 24 30 24 30 24 30 24 30 24 30 24 30 24 30 25 30 25 30 25 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 26 30 27 30 27 30 27 30 30 21 30 flow study Stream- Table 4.

Table 4 59 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

57'45"56'13" Trinity54'35" Trinity51'38" Trinity49'07" --46'37" Edwards43'38" Edwards42'43" Edwards41'35" Edwards03'02" Edwards01'52" -- Trinity59'00" -- Trinity57'45" -- Trinity56'13" Trinity --54'35" Trinity -- --51'38" Trinity --49'07" -- --46'37" Edwards --43'38" Edwards42'43" -- Edwards –0.01 --41'35" Edwards 003'02" -- Edwards 20.01 2.2 --01'52" Trinity59'00" -- 0 Trinity 4.9 –20.01 2.3 --57'45" 0 Trinity 23.9 57'00" Trinity .02 -- 2.856'13" 0 3.0 Trinity 19.4 -- -- 21.7 54'35" 3.9 –.01 Trinity -- 1.051'38" Trinity -- 14.5 1.3849'07" 11.7 1.5 -- -- .8 1.1946'37" 8.7 Edwards 4.8 1.0 2.043'38" -- Edwards –.64 3.142'43" -- 3.8 Edwards 2.3 9.041'35" -- 2.2 Edwards 4.82 31.2 2.211'05" -- Edwards 29.2 --11'13" 2.3 1.2 Trinity –46.93 at FM 1174 near Bertram 4.9 --10'59" 26.1 6.0 Trinity 23.9 -- 55.010'56" Trinity 3.9 3.0 21.7 Trinity 19.4 .1 -- 2.8 1.1 1.0 ------11.7 8.7 1.5 .23 -- 14.5 .8 .43 -- 4.8 .33 2.0 –2.62 3.8 Marble Falls 3.1 3.71 -- 2.3 2.2 –.54 .9 -- 31.2 2.27 1.3 -- 29.2 2.3 at FM 1174 near 26.1 Bertram .33 23.9 4.9 –8.86 1.41 23 11.7 21.7 2.7 3.0 3.9 2.8 19.4 .6 –.4 1.0 .53 11.7 1.5 14.5 8.7 .8 .7 4.8 3.1 0 3.3 3.8 .24 2.3 .1 just south ofHancock Park .08 .53 .77 .87 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

40'31" 97 39'32" 97 38'53" 97 37'14" 97 36'42" 97 37'10" 97 37'13" 97 37'12" 97 37'34" 97 42'55" 98 42'09" 98 41'17" 97 40'31" 97 39'32" 97 38'53" 97 37'14" 97 36'42" 97 37'10" 97 37'13" 97 37'12" 97 37'34" 97 42'55" 98 42'09" 98 41'17" 97 40'31" 97 40'44" 97 39'32" 97 38'53" 97 37'14" 97 36'42" 97 37'10" 97 37'13" 97 37'12" 97 37'34" 97 03'00" 98 03'17" 98 03'17" 98 03'18" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 2727 30 27 30 27 30 27 30 27 30 27 30 27 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 28 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 29 30 30 30 30 31 30 31 30 31 31 27 30 flow study Stream- Table 4.

60 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

10'53"11'05" Trinity11'13" Trinity10'59" Trinity10'56" Trinity10'53" Trinity48'07" Trinity47'19" Edwards47'44" Edwards47'02" Edwards48'07" -- Edwards47'19" Marble Falls Edwards --47'44" Edwards --47'02" Edwards --09'51" Edwards09'12" -- Trinity --09'03" Trinity --08'08" Trinity -- 1.807'18" Trinity --03'58" Trinity -- 5.400'38" Trinity .53 --55'33" Trinity -- 3.553'13" 2.72 Trinity -- 3.251'52" 0 Trinity 1.950'48" -- Trinity .24 –14.04 1.350'46" 0.95 -- Trinity .1 just south ofHancock Park –2.7450'42" -- Trinity .08 1.150'29" -- –.22 2.72 Trinity .53 --49'53" 0 Trinity .9 -- .77 –4.0749'28" Trinity .87 .9 4.6 –1.4149'03" -- Edwards, Trinity .95 48'37" -- 1.1 Edwards .6 3.5 .14 at Loop 360,gaging station(08155300) 48'07" -- –.09 Edwards .9 2.6 47'26" -- Edwards --47'11" .9 .08 4.6 Edwards .6 1.7 46'26" -- .11 Edwards 3.5 --46'20" .09 at Loop 360,gaging station(08155300) -- Edwards .6 --09'51" .78 2.6 -- .4 1.79 1.7 -- 1.8 Trinity 1.89 4.1 50 -- 3.7 3.09 49.4 -- –9.64 5.3 49 -- 13.1 0 2 mi northeast of Henlycounty at roadcrossing 47.2 43.1 -- 4.1 0 -- 39.4 0 34.1 -- 10.78 3.3 –10.9 21 –3.36 2.2 1.5 0 .8 -- -- 16.9 9.1 .3 1.2 13.6 –5.74 10.6 11.4 .4 0 .4 9.1 8 1.0 0 .04 8.8 1.3 –.04 8.4 2.2 1.49 6.8 .3 1.0 5.8 .2 0 99.51 4.5 2.3 2 .3 1 .6 .8 50 2 mi northeast of Henlycounty at roadcrossing end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

03'19" 98 03'00" 98 03'17" 98 03'17" 98 03'18" 98 03'19" 98 14'40" 97 14'41" 97 15'08" 97 15'31" 97 14'40" 97 14'41" 97 15'08" 97 15'31" 97 13'32" 98 13'36" 98 13'52" 98 14'36" 98 14'39" 98 14'15" 98 14'31" 98 17'45" 97 17'32" 97 18'13" 97 17'26" 97 17'17" 97 16'30" 97 16'25" 97 16'16" 97 16'09" 97 15'14" 97 14'24" 97 14'40" 97 15'17" 97 15'24" 97 15'48" 97 15'48" 97 13'32" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 3131 31 31 31 31 31 31 31 32 31 32 30 32 30 32 30 33 30 33 30 33 30 33 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 34 30 35 30 30 30 31 flow study Stream- Table 4.

Table 4 61 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

28'48" Ogallala -- –.04 4.2 59.2 ° 09'12"09'05" Trinity08'08" Trinity07'18" Trinity03'58" Trinity00'38" Trinity55'33" Trinity53'13" Trinity51'52" Trinity50'48" Trinity50'46" -- Trinity50'42" -- Trinity50'16" -- Trinity49'53" -- Trinity49'28" -- Trinity --49'03" Trinity Edwards, 48'37" -- Edwards48'07" -- Edwards --47'26" Edwards47'11" -- Edwards 0 --46'26" Edwards46'20" -- -- .01 Edwards --55'31" .15 -- 0.4 --54'01" .15 1.8 Trinity52'40" .28 4.1 Trinity -- .6451'05" 3.7 Trinity -- –1.29 49.4 51'07" 49 5.3 Trinity -- 13.150'38" 47.2 .11 Trinity -- 4.1 –.1149'39" 43.1 Trinity --49'22" 39.4 .02 Trinity 3.3 Edwards, -- 34.1 –.02 2.249'21" Edwards 21 048'54" .01 Edwards .8 –.01 1.548'07" 16.9 -- Edwards 13.6 -- 047'19" -- Edwards .3 1.247'44" -- .4 0 Edwards 11.4 10.6 --47'02" -- 0 Edwards -- .446'45" 0 Edwards 9.1 8 -- 1.0 0 8.8 Edwards 1.3 0 -- 8.4 2.2 -- .36 6.8 .3 -- 1.0 5.8 -- 1.0 .2 82.14 4.5 -- 6.0 -- 2.3 5.0 2 3.1 .3 -- –2.3 –.1 1 3.6 -- .72 3.4 –.7 21 .5 .9 –1.2 .8 17.9 .9 –7.1 14.3 1.3 at SH 71, gagingstation (08155200) –14.3 includes from spring flow 10.9 7.8 .5 –8.1 10 .7 –2.1 1.5 9.1 2.4 1.1 7.3 2.0 .9 6.8 29.8 6.1 .9 4.6 .6 1.1 3.5 gaging station (08155300) 2.6 1.7 1.1 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

13'36" 98 13'51" 98 14'36" 98 14'39" 98 14'15" 98 14'31" 98 17'45" 97 17'32" 97 18'13" 97 17'26" 97 17'17" 97 16'30" 97 16'31" 97 16'16" 97 16'09" 97 15'14" 97 14'24" 97 14'40" 97 15'17" 97 15'24" 97 15'48" 97 15'48" 97 17'45" 97 18'01" 97 17'53" 97 17'46" 97 16'57" 97 16'26" 97 16'10" 97 15'54" 97 15'30" 97 15'09" 97 14'40" 97 14'41" 97 15'08" 97 15'31" 97 15'45" 97 15'14" 101 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 3535 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 35 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 36 30 37 30 32 35 30 flow study Stream- Table 4.

62 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) .7 15.0 15 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor Falls outcrop intersected by subreach Major aquifer of

28'22" Ogallala25'48" Ogallala23'52" Ogallala19'26" --15'57" --00'46" --28'48" Ogallala28'22" Ogallala25'48" Ogallala23'52" -- Ogallala19'26" -- --15'57" Dockum --00'46" --28'04" Ogallala25'48" Dockum Ogallala23'45" Dockum -- Ogallala19'26" Dockum -- --15'57" -- --00'46" Dockum -- 5.15 .07 –5.14 6.2 Dockum 6.7 2.2 Dockum -- .26 –.23 Dockum -- 55 –.11 Dockum 46.6 7.1 48.8 17.6 7.52 14.7 5.5 –.23 discontinued –16.55 gaging station discontinued (08123720) gaging station (08123650) 4.2 Dockum 39.9 32.8 Dockum 6.7 2.2 6.2 15.207'48" 1.32 Dockum --03'14" 59.2 3.36 gaging station (08123800) --58'04" 1.93 46.6 7.1 48.8 55 17.6 --56'52" 5.46 2.15 –5.34 14.7 --57'36" discontinued gaging station (08123720) discontinued gaging station (08123650) --53'49" 39.9 4.2 2.2 32.8 6.2 --54'25" .1 15.2 --52'40" .17 --51'39" 59.2 1.34 48.8 gaging station (08123800) 55 6.7 -- 24.7 14.7 discontinued gagingstation (08123650) discontinued gaging station (08123720) Dockum 46.6 39.9 Dockum 15.2 Dockum Dockum gaging station (08123800) Dockum Dockum Dockum Dockum Dockum .01 –.36 11.7 .93 –4.65 9.3 7.95 9.3 239.1 –8.2 9.5 227.4 2.0 .28 218.1 208.8 .5 .9 discontinued gaging station (08119500) .87 2.6 199.3 2.5 197.3 7.0 196.4 193.8 191.3 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 56'32"55'31" Trinity54'32" Trinity Edwards, 53'41" Edwards52'57" Edwards51'55" Edwards50'49" Edwards20'06" --12'21" ------12.1 -- Saba Ellenburger-San 17.66 Saba, Ellenburger-San Marble 1.4 –10.7 2.0 –3.6 1.0 –9.0 9 1.6 –3.4 1.1 11 13.0 1.1 7.6 1.2 gaging station (08158810) –6.86 6 28 4.9 1.7 3.8 at Brady 2.6 gaging station (08158820) end upstream ° ° ° ° ° ° ° ° °

subreach Longitude of 20" 101 39" 100 of

° ° 15'25" 101 15'27" 101 15'01" 101 15'14" 101 13'26" 101 11'56" 101 15'14" 101 15'25" 101 15'27" 101 15'01" 101 15'14" 101 13'26" 101 11'56" 101 15'34" 101 15'21" 101 14'49" 101 14'57" 101 13'14" 101 12'05" 101 09'21" 97 10'06" 97 09'45" 97 09'31" 97 09'20" 97 08'54" 97 08'24" 97 08'16" 99 06'00" 99 35'03" 101 32 32 28'41" 100 27'28" 100 25'25" 100 24'51" 100 23'33" 100 22'35" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 4040 30 40 30 40 30 40 30 40 30 41 30 41 31 31 42 32 3737 32 37 32 37 32 37 32 38 32 38 32 38 32 38 32 38 32 38 32 38 32 39 32 39 32 39 32 39 32 39 32 39 32 40 32 30 4242 32 42 32 42 32 42 32 42 32 42 32 42 32 32 37 32 flow study Stream- Table 4.

Table 4 63 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

54'21" --52'55" --52'04" --52'19" --50'06" --45'54" --28'48" --25'30" --21'57" --17'27" --12'57" --11'02" Dockum --08'20" -- --01'33" ------07'48" -- –0.25 --03'14" -- --58'04" -- 7.7 --56'52" -- –2.85 --57'36" -- 2.18 --53'49" -- 184.3 –2.18 3.8 --54'25" -- 2.67 -- 4.052'40" –3.3 5.8 --51'39" 176.6 13.4 –.05 --54'21" 172.8 43.6 --52'55" 168.8 .08 -- 6.252'04" 163 Dockum .51 1.1 --52'19" 149.6 Dockum 5.6 –1.73 --50'06" Dockum 5.6 106 2.09 --45'54" gaging station (08123850) Dockum 6.7 4.6 --28'48" 99.8 Dockum .2 -- 6.125'30" 94.2 Dockum .85 --'21'57" 88.6 Dockum 11.1 81.9 --17'27" Dockum 6.0 77.3 --12'57" Dockum .86 1.11 -- 71.2 Dockum 2.11 11.7 60.1 -- 4.64 9.3 -- –24.35 9.3 gaging station (08126380) -- 239.1 24.8 9.5 -- 2.0 227.4 –.8 -- 218.1 2.15 -- .9 discontinued 208.8 gaging station (08119500) 199.3 6.0 -- –37.2 2.6 -- 2.5 gaging station (08120700) 197.3 -- 7.0 7.7 196.4 -- 193.8 35.51 191.3 0 184.3 gaging station (08121000) 3.8 .5 1.32 –92.54 4.0 176.6 13.4 5.8 2.27 43.6 3.41 172.8 3.23 6.2 163 168.8 149.6 7.69 5.6 –4.11 5.6 gaging station (08123850) 106 6.7 4.6 99.8 94.2 88.6 81.9 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 56'27"54'02" --49'54" --40'39" ------.63 –.49 5.0 6.5 10.0 .1 19.3 54.1 18.3 47.6 37.6 18.3 end upstream ° ° ° °

subreach Longitude of 20" 101 39" 100 of

° ° 19'44" 100 16'40" 100 15'08" 100 12'33" 100 09'59" 100 03'37" 100 53'07" 100 51'03" 100 51'24" 100 50'51" 100 48'33" 100 47'31" 100 45'14" 100 42'52" 100 43'47" 99 41'13" 99 38'09" 99 33'22" 99 35'03" 101 32 32 28'41" 100 27'28" 100 25'25" 100 24'51" 100 23'33" 100 22'35" 100 19'44" 100 16'40" 100 15'08" 100 12'33" 100 09'59" 100 03'37" 100 53'07" 100 51'03" 100 51'24" 100 50'51" 100 48'33" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 4242 31 42 31 43 31 32 4242 32 42 32 42 32 42 32 42 32 42 31 42 31 42 31 42 31 42 31 42 31 42 31 42 31 31 4343 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 32 43 31 43 31 43 31 43 31 31 42 32 flow study Stream- Table 4.

64 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

11'02" --08'20" --01'55" --01'55" --07'48" --03'14" --58'04" --56'52" --57'36" -- --53'49" -- --54'25" -- --52'40" -- --51'39" --54'21" --52'55" --52'04" Dockum --52'19" Dockum --50'06" Dockum 7.7 --45'54" Dockum –1.75 --28'48" Dockum 4.0 –150.4 --25'30" Dockum 11.1 6.1 --21'57" Dockum --17'27" Dockum 6.5 6.0 --12'57" 71.2 77.3 Dockum .78 --11'02" Dockum .69 -- 4.5608'20" 11.7 54.1 60.1 -- –.1 --01'55" -- 9.3 -- 8.1201'55" 9.3 gaging station (08126380) -- –22.64 239.1 -- -- 9.5 227.4 1.75 2.0 -- 218.1 .9 -- .72 discontinued 208.8 gaging station (08119500) 4.4405'42" 2.6 -- 199.3 –9.38 --05'42" -- 197.3 2.5 gaging station (08120700) --03'18" 7.0 -- 196.4 7.7 --03'10" -- 193.8 –.05 -- -- 191.3 24.3 -- 184.3 –7.76 gaging station (08121000) 3.8 -- 3.15 4.0 -- –27.66 5.8 176.6 13.4 43.6 .22 172.8 –.52 168.8 1.67 163 Dockum 6.2 149.6 3.28 5.6 Dockum –.05 5.6 Dockum gaging station (08123850) 106 1.08 6.7 Dockum 99.8 2.63 4.6 94.2 6.0 6.1 gaging station (08124000) 11.1 88.6 .36 81.9 6.0 77.3 6.5 .15 71.2 –.04 60.1 .16 .1 2.9 54.1 .18 2.5 831.8 2.3 831.7 828.8 50 ft above Bull Creek 826.3 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 54'02"49'54" --40'39" ------151.0 19.1 10.0 10.11 19.3 18.3 47.6 37.6 54'02" 18.3 49'54" --40'39" ------–2.6 .8 10.0 .8 19.3 18.3 47.6 37.6 18.3 end upstream ° ° ° ° ° °

subreach Longitude of 20" 100 39" 100 17" 101 of

° ° ° 47'31" 100 45'14" 100 43'04" 100 43'04" 100 41'13" 99 38'09" 99 33'22" 99 35'03" 101 32 32 28'41" 100 27'28" 100 25'25" 100 24'51" 100 23'33" 100 22'35" 100 19'44" 100 16'40" 100 15'08" 100 12'33" 100 09'59" 100 03'37" 100 53'07" 100 51'03" 100 51'24" 100 50'51" 100 48'33" 100 47'31" 100 45'14" 100 43'04" 100 43'04" 100 41'13" 99 38'09" 99 33'22" 99 34'58" 101 34'54" 101 34'17" 101 32 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 4343 31 44 31 32 4444 31 45 31 32 4343 31 43 31 43 31 31 4444 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 32 44 31 44 31 44 31 44 31 44 31 44 31 44 31 44 31 44 31 31 4545 32 45 32 32 43 31 flow study Stream- Table 4.

Table 4 65 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

01'40" --56'52" --54'43" --56'52" --56'42" --54'57" --54'25" --05'42" --05'42" --03'18" --03'10" --01'40" Dockum --56'52" Dockum --54'43" Dockum --56'52" Dockum --56'42" Dockum --54'57" Dockum --54'25" Dockum --05'42" Dockum –0.17 --05'42" Dockum --03'18" Dockum .24 6.2 -- 3.5203'10" Dockum -- –.7801'40" Dockum 3.5 --56'52" 3.7 Dockum 824 .56 -- 2.0554'43" 6.2 Dockum 817.8 -- 2.1156'52" Dockum 2.3 814.3 --56'42" 3.2 Dockum .05 810.6 -- –.0154'57" 2.6 Dockum 804.4 --54'25" Dockum .08 802.1 .1 --05'42" 2.9 Dockum .18 798.9 –.04 --05'42" Dockum 2.5 --03'18" Dockum 831.8 .09 2.3 831.7 --03'10" 6.2 Dockum .82 828.8 --01'40" Dockum 50 ft Bullabove Creek .63 3.5 826.3 --56'52" Dockum .1 3.7 824 -- 2.7154'43" Dockum 6.2 817.8 --56'52" Dockum .35 2.3 814.3 --56'42" 3.2 Dockum .12 810.6 -- Dockum .06 2.6 Dockum 804.4 .01 802.1 .1 Dockum .34 2.9 798.9 –.1 Dockum 2.5 –.01 Dockum 831.8 2.3 831.7 1.02 Dockum 6.2 828.8 3.5 Dockum 50 ft above Bull Creek .57 826.3 3.7 Dockum .07 –4.4 824 Dockum 6.2 817.8 Dockum .08 2.3 814.3 3.2 Dockum .1 810.6 –.01 2.6 804.4 .08 802.1 2.9 .1 .17 798.9 –.24 2.5 .28 2.3 831.7 831.8 1.63 6.2 828.8 .53 3.5 50 ft above Bull Creek 826.3 –.24 3.7 824 6.2 817.8 2.3 814.3 810.6 804.4 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of 25" 100 17" 101 25" 100 17" 101 25" 100 17" 101 25" 100 of

° ° ° ° ° ° ° 30'42" 101 32 30'51" 100 28'41" 100 26'35" 100 25'50" 100 24'51" 100 34'58" 101 34'54" 101 34'17" 101 32 30'42" 101 32 30'51" 100 28'41" 100 26'35" 100 25'50" 100 24'51" 100 34'58" 101 34'54" 101 34'17" 101 32 30'42" 100 32 30'51" 100 28'41" 100 26'35" 100 25'50" 100 24'51" 100 34'58" 101 34'54" 100 34'17" 101 32 30'42" 101 32 30'51" 100 28'41" 100 26'35" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 4545 32 45 32 45 32 45 32 45 32 46 32 46 32 46 32 46 32 46 32 46 32 46 32 46 32 46 32 46 32 46 32 47 32 47 32 47 32 47 32 47 32 47 32 47 32 47 32 47 32 47 32 47 32 48 32 48 32 48 32 48 32 48 32 48 32 48 32 48 32 48 32 32 45 32 flow study Stream- Table 4.

66 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

54'57" --54'25" -- Dockum Dockum44'06" --36'21" --35'31" --44'06" --43'08" --39'43" –4.74 --38'27" --36'21" .19 3.2 --35'31" --35'13" 2.6 --34'01" 802.1 --34'01" -- 798.9 --07'48" -- --03'10" -- --01'40" -- --58'04" -- --55'04" -- --56'52" -- --57'07" -- --56'45" -- --53'49" -- –.45 --52'40" -- –.6 --54'28" -- –1.92 14.4 --52'19" Dockum –.84 --51'00" Dockum 19.3 1.0 -- Dockum .54 0 1.2 Dockum .03 –.83 15.4 14.4 Dockum 6.3 –.19 Dockum gaging station nearSilver(08123900) 3.0 –.1 3.9 0 Dockum 1.0 Dockum .17 1.2 Dockum .02 .45 1.7 7.5 –1.49 gaging station nearSilver(08123900) 10.5 –.05 Dockum 3.1 14.4 –.2 10.3 Dockum 11.7 2.8 –.02 2.3 15.4 -- 17.1 -- .38 5.0 836.6 23 5.6 20.2 .71 826.3 –.77 2.8 Lake below J.B.Thomas (08118000) near Vincent 824 .33 2.8 819 3.4 .18 813.4 1.36 4.3 810.6 –.07 3.8 807.8 8.0 804.4 7.5 800.1 –.31 796.3 0 788.3 10.4 780.8 .9 770.4 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 41'27"24'09" Carrizo-Wilcox19'54" Carrizo-Wilcox08'46" Carrizo-Wilcox53'44" --32'31" Gulf Coast32'12" Gulf Coast25'02" Gulf Coast --23'46" Gulf Coast --11'52" Gulf Coast Sparta06'34" Gulf Coast Gulf Coast -- -- Sparta -- -- –257.95 -- –91.1 -- 70.0 68.5 -- 26.7 15.1 290.1 236.7 –40.15 gaging station (08158000) 221.6 0 158.23 30.9 gaging station (08159200) –20.0 at FM 969 –770.0 8.5 35.5 –90.0 21.7 174.5 –119.0 10.5 143.6 –474.27 210 27.0 discontinuedpartial-record station (08160500) 135.1 9.3 113.4 34.1 gaging station (08160700) gaging station (08161000) 102.9 75.9 66.6 gaging station (08162000) end upstream ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 17" 101 39" 100 of

° ° 25'50" 100 24'51" 100 14'42" 97 10'02" 97 07'05" 97 00'55" 97 54'46" 96 42'55" 96 42'17" 96 34'47" 96 27'11" 96 20'09" 96 18'20" 96 01'09" 100 58'51" 100 58'21" 100 01'09" 100 00'39" 100 58'31" 100 58'24" 100 58'51" 100 58'21" 100 57'16" 100 56'07" 100 54'46" 100 35'03" 101 32 30'42" 101 32 30'27" 100 28'41" 100 27'21" 100 26'34" 100 25'36" 100 23'33" 100 19'41" 100 16'41" 100 11'03" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 4949 30 49 30 49 30 49 29 49 29 49 29 49 29 49 29 49 29 50 29 32 4849 32 30 5050 31 51 31 51 32 51 32 51 31 51 31 51 31 51 31 51 31 51 31 52 31 52 32 52 32 52 32 52 32 52 32 52 32 52 32 52 32 52 32 52 32 52 32 52 32 32 48 32 flow study Stream- Table 4.

Table 4 67 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

51'18" --47'24" --45'39" --44'06" --43'08" --39'43" --38'27" --36'36" --29'16" --22'58" --18'57" --13'37" ------–1.74 -- –.21 -- 9.2 .67 3.7 .63 –.01 769.5 8.8 –.72 1.2 760.3 –.79 6.3 756.6 –.1 3.0 747.8 0 2.8 746.6 .1 1.1 740.3 –.1 737.3 9.0 .2 7.0 734.5 14.0 20.0 0 16 9 30 at Robert Lee nearRobert Lee gaging station (08124000) ° ° ° ° ° ° ° ° ° ° ° ° 56'59"54'05" --52'08" --46'42" --43'28" --41'17" --40'34" --39'49" --30'46" --36'31" --29'39" --21'27" -- --06'14" -- --00'07" -- --51'10" -- --43'40" -- --40'17" -- --36'14" -- --35'49" -- --33'46" -- --30'50" -- --25'09" -- -- .322'36" 0 -- --22'31" 1.1 -- -- 7.024'59" 3.9 -- --24'26" 2.0 2.5 -- -- 4.0 2.5 -- -- 6.0 50 –.4 -- 3.0 57 –.2 59 -- 3.0 1.2 63 -- 1.0 1.9 69 -- 8.0 –.4 72 12.0 Saba Ellenburger-San 4.7 75 -- 8.0 –.9 76 14.0 Hickory –1.0 84 16.0 -- 2.4 20.9 96 10.0 -- 104 15.0 4.2 -- 118 1.2 15.0 25.0 134 –3.5 11.0 144 –.1 10.0 159 218 8.43 3.0 –29.9 174 –11.7 4.0 185 16.0 195 11.0 50.7 8.0 198 202 –17.0 251 –16.2 13.0 243 5.0 5.0 262 275 280 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 54" 99 of

° 10'45" 100 05'13" 100 03'12" 100 01'09" 100 00'39" 100 58'31" 100 58'24" 100 58'01" 100 52'51" 100 51'25" 100 50'34" 100 48'26" 100 43'55" 99 41'15" 99 40'55" 99 35'52" 99 34'14" 99 31 30'10" 99 29'51" 99 25'28" 99 29'51" 99 26'41" 99 25'52" 99 27'12" 99 28'48" 99 25'03" 98 24'39" 98 21'10" 98 18'45" 98 17'50" 98 13'24" 98 05'59" 98 51'12" 98 50'39" 98 45'22" 98 38'29" 98 34'05" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 5353 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 31 53 30 53 30 53 30 53 30 30 5252 32 52 32 52 32 52 32 52 31 52 31 53 31 53 31 53 31 53 31 53 31 31 52 32 flow study Stream- Table 4.

68 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 9.3 5.0 285 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor Falls outcrop intersected by subreach Major aquifer of

29'16" --17'45" --13'37" ------0 0 0 14.0 6.0 22.0 0 14 20 at Robert Lee ° ° ° 20'34" --15'36"03'28" Trinity00'47" Trinity57'45" Trinity54'43" Trinity Trinity Edwards, 56'27"43'28" -- Saba, Ellenburger-San Marble 34'43" Ellenburger-San Saba --26'57" ------17'58" -- --07'49" -- -- 53.100'16" --43'26" -- 26.035'37" --34'28" --31'26" -- 290 24'59" -- --28'30" –13.4 -- -- 1.023'50" -- -- 11.825'12" -- -- 6.0 9.9 31.025'33" -- -- 3.020'12" -- -- 316 03'32" 9.0 334 Trinity --02'03" Trinity 322 --59'43" Trinity -- 325 55'25" Trinity --52'13" 0 Trinity Saba Ellenburger-San 47'10" 0 Edwards, Trinity Saba Ellenburger-San 46'54" 0 Edwards -- 19.044'43" 0 Edwards -- 19.039'09" 0 -- -- 3.5 16.035'43" Ellenburger-San Saba 0 -- -- 0 42 14.0 --28'59" 3.8 -- 61 24.0 16.0 -- 7.7 -- Carrizo-Wilcox 80 –1.2 -- 8.0 gaging station at Ballinger (08126380) 30.0 96 9.0 -- 208 6.0 –.1 110 26.0 3.0 126 -- 134 232 28.0 15.0 -- 164 –.9 190 .9 -- 276 193 –.1 -- 7.0 –.6 -- 15.0 .3 –1.7 -- 11.5 5.0 241 8.0 –.9 248 6.0 1.4 12.0 4.0 263 268 9.0 3.7 13.0 304 336 310 .4 314 1.0 20.2 323 27.4 2.0 20.0 348 –.3 15.1 16.0 349 383 2.0 14.0 351 367 369 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

33'13" 98 33'45" 98 25'53" 98 24'49" 98 23'56" 97 27'52" 97 52'51" 100 50'52" 100 48'26" 100 43'47" 99 34'15" 99 29'29" 99 28'10" 99 25'53" 99 27'44" 99 28'48" 99 25'36" 98 15'14" 98 15'12" 98 05'19" 98 55'40" 98 48'51" 98 44'53" 98 37'47" 98 33'32" 98 33'21" 98 25'59" 98 25'14" 98 22'37" 97 27'15" 97 20'53" 97 17'36" 97 16'54" 97 15'38" 97 15'43" 97 12'33" 97 12'18" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 5353 30 53 30 53 30 54 30 31 5454 31 54 31 54 31 54 31 54 31 54 31 54 31 54 31 54 31 54 31 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 54 30 30 53 30 5454 31 54 31 31 53 30 flow study Stream- Table 4.

Table 4 69 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

25'15" --14'38" --05'34" --24'36" --14'38" --05'34" --24'36" --14'38" Lipan --14'38" Lipan -- Lipan24'57" --24'36" Lipan --15'14" Lipan --13'04" Lipan --12'39" 7.25 -- –6.4224'36" Lipan 15.5 4.09 --22'55" Lipan 11.5 --18'43" Lipan 12.9 --18'18" 58.2 25.8 42.7 --18'00" 6.6 --17'16" Lipan gaging station (08136000) 31.2 15.5 2.96 -- Lipan 11.5 Lipan 12.9 Lipan 58.2 17.84 Lipan 14.5 42.7 15.5 gaging station (08136000) 31.2 –3.44 Lipan 11.5 Lipan 12.9 58.2 Lipan 1.3 Lipan 42.7 –.9 gaging station (08136000) 31.2 Lipan 2.0 Lipan .2 3.7 13.8 –.8 3.0 1.0 0 –.3 14.0 .2 –3.1 14 17 .3 at confluence 8.0 of North and South Concho Rivers 18 2.9 6.0 6.7 –1.5 2.0 1.0 0 8 1.0 .5 14 at gagingstation nearSan Angelo (08136000) 16 17 18 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 20'22"09'39" Carrizo-Wilcox01'59" --54'31" --42'06" Coast Gulf 32'30" Gulf Coast24'22" Gulf Coast23'07" Gulf Coast --13'12" Gulf Coast06'59" Gulf Coast00'35" Gulf Coast Gulf Coast ------55'09" --48'50" ------17.3 -- --55'09" 23.048'50" -- -- 9.0 403 1.0 12.0 21.0 27.2 17.0'55'09" 12.0 17.0 6.248'50" 15.0 -- 50.0 24.0 -- 453 -- 14.8 -- 426 470 9.0 85.2 438 21.0 487 6.0 .8 28.0 511 520 --55'09" 18.0 541 -- 547 -- 575 –5.78 -- 8.11 -- 8.3 6.5 18.3 3.57 –2.7 10 gaging station (08136500) 8.3 -- 6.5 5.7 18.3 10 3.2 gaging station (08136500) 8.3 6.5 18.3 10 –.7 gaging station (08136500) 19.5 32 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 12" 100 12" 100 54" 100 35" 100 of

° ° ° ° 05'34" 97 00'45" 97 58'59" 97 56'27" 96 46'44" 96 42'55" 96 34'24" 96 28'28" 96 20'50" 96 18'44" 96 56'18" 96 27'32" 100 32'01" 100 31 30'56" 99 32'14" 99 27'11" 100 32'01" 100 31 30'56" 99 32'14" 99 27'11" 100 32'01" 100 32'01" 100 30'56" 99 32'14" 99 27'15" 100 27'11" 100 31 32'08" 100 31 30'56" 99 27'11" 100 27'00" 100 29'03" 100 30'09" 100 30'05" 100 30'22" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 5454 30 54 29 54 29 54 29 54 29 54 29 54 29 54 29 54 29 55 28 31 5556 31 31 5657 31 31 5758 31 31 59 31 5555 31 55 31 31 5656 31 56 31 31 5757 31 57 31 31 5858 31 58 31 58 31 58 31 31 5959 31 59 31 59 31 59 31 31 54 30 flow study Stream- Table 4.

70 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

17'24" --16'51" --15'43" --36'00" --36'18" --37'15" --38'20" Plateau Edwards-Trinity Lipan Lipan -- Lipan ------0 0 .2 –.5 1.9 5.3 8.3 3.1 18.5 –.6 20.4 11.0 25.7 5.8 8.7 1.1 3.3 4.3 0 1.1 4.4 spring just below source ° ° ° ° ° ° ° 58'40"55'08" -- --51'59"52'04" --53'52" --'54'12" --56'00" --56'33" -- --51'59" -- --52'04" --53'52" --54'12" --56'00" --56'33" -- --51'59" -- --52'04" -- --53'52" -- --54'12" -- -- .556'00" -- -- .956'33" -- -- 3.040'47" -- -- 17.540'19" Edwards-Trinity Plateau --40'28" Edwards-Trinity Plateau -- 34 40'27" Plateau Edwards-Trinity 37 -- .0440'26" –.04 Edwards-Trinity Plateau --39'28" -- Edwards-Trinity Plateau -- .09 3.038'30" –.88 -- Edwards-Trinity Plateau 6.0 -- --45'32" Edwards-Trinity Plateau -- .7944'09" .7 -- 5.1 –.53 Edwards-Trinity Plateau 21.2 --43'19" 18.2 -- 3.06 Edwards-Trinity Plateau -- 1.542'00" -- 3.81 Edwards-Trinity Plateau 2.1 -- FM 1770 12.2 –6.87 11.5 FM 53 Plateau -- Edwards-Trinity 3.0 -- 9.5 6.0 –36.2 6.4 FM 2647 -- .7 4.9 39.4 21.2 -- 83 US 5.1 -- 7.0 1.5 18.2 .01 3.5 FM 1770 12.2 –.01 2.1 .8 FM 53 0 11.5 3.0 .9 –1.58 FM 2647 6.4 .2 6.0 3.1 –1.0 2.04 1.3 4.9 –.8 5.1 US 83 21.2 .22 .7 1.4 0 –.8 3.3 18.2 1.5 .9 0 2.1 FM 1770 4 2.1 –4.0 11.5 FM 53 12.2 at springs Segovia 8.3 mi above 4.7 5.3 6.0 6.7 6.4 4.2 3.1 10 FM 2647 .9 4.9 12.1 2.3 US 83 3.8 0 3.1 4 6.3 0.2 mi confluence above with North Llano River gaging station (08150000) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 01" 100 20" 100 00" 99 23" 99 26" 99 52" 99 of

° ° ° ° ° ° 30'42" 100 31 31 31 30'56" 99 19'49" 100 19'22" 100 18'41" 100 15'51" 100 58'45" 99 56'03" 99 51'47" 99 51'27" 99 47'49" 99 47'29" 99 58'45" 99 56'03" 99 51'47" 99 51'27" 99 47'49" 99 47'29" 99 58'45" 99 56'03" 99 51'47" 99 51'27" 99 47'49" 99 47'29" 99 30 29'42" 99 27'40" 99 27'04" 99 26'04" 99 23'51" 99 22'10" 99 29'21" 99 30 29'45" 99 30 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 5960 31 31 6161 31 61 31 61 31 61 31 62 31 62 31 62 31 62 31 62 31 62 31 63 31 63 31 63 31 63 31 63 31 63 31 64 31 64 30 64 30 64 30 64 30 64 30 64 30 65 30 65 30 65 30 65 30 30 5959 31 59 31 31 6060 31 60 31 61 31 31 59 31 flow study Stream- Table 4.

Table 4 71 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 2.95 3.1 22 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor Falls outcrop intersected by subreach Major aquifer of

40'14"38'37" Edwards-Trinity Plateau36'02" Plateau Edwards-Trinity 35'48" Edwards-Trinity Plateau33'35" Edwards-Trinity Plateau -- --30'55" --23'47" -- --19'26" -- --14'31" --10'31" --05'24" --01'27" --55'40" --48'41" -- –6.040'24" -- Saba, Ellenburger-San Marble 1.6545'20" --37'34" 4.0 1.9 Edwards-Trinity Plateau Saba Ellenburger-San 3.835'50" Edwards-Trinity Plateau .98 Saba Ellenburger-San 18'07" Edwards-Trinity Plateau Saba Ellenburger-San 2.7 10.1 13'28" -- Hickory 3.5 12 06'33" -- –7.61 -- Hickory57'30" -- -- 10.0 15.8 --53'03" Ellenburger-San Saba –4.11 18.5 -- 8.5 --42'22" -- -- 6.445'29" -- 4.6 --43'19" 25.1 Edwards-Trinity Plateau --40'55" –7.93 Plateau Edwards-Trinity 33.6 34'19" –8.7 40 Edwards-Trinity Plateau 19.0 –1.023'53" Edwards-Trinity Plateau15'07" -- -- Saba Ellenburger-San 5.4 –3.03 --06'18" -- 5.1 -- 16 –2.257'25" -- 7.5 -- 10.0 -- –2.048'01" Ellenburger-San Saba -- 44.6 -- –3.2240'06" 6.0 50 –3.1 -- -- 5.839'53" 3.7 -- 6.5 -- 032'49" 6.9 3.5 -- 4.0 10 45'20" –2.3 -- 55.1 6.8 nearJunction gaging station (08150000) 60.9 Edwards-Trinity Plateau 2.4 67.4 15.0 35 11.6 74.3 Saba Ellenburger-San –.9 –1.84 81.1 -- –3.6 20 3.0 –.72 -- -- 8.0 4.0 –.01 -- 13.0 12.0 0 -- 1.6 0 0 5.0 -- 39 3 -- 47 12.0 7 8.0 -- just Llano above River 3.0 59 64 35 76 –4.9 3.3 7.4 11.0 5.5 5.6 10.0 .2 9.3 9.5 43 0 8.5 –7.0 54 1.0 0 64 14.0 9.0 73.5 82 6.8 mi Junction below 92 83 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 30" 99 of

° 31'07" 99 31'37" 99 33'09" 99 34'44" 99 35'08" 99 37'42" 99 41'03" 99 39'28" 99 38'58" 99 38'10" 99 39'42" 99 42'01" 99 42'20" 98 43'34" 98 45'09" 98 29'31" 99 32'13" 99 35'19" 99 38'52" 99 38'16" 99 39'38" 99 42'12" 98 42'41" 98 45'05" 98 29'27" 99 29'45" 99 30 34'55" 99 40'56" 99 38'53" 99 39'41" 99 42'11" 98 43'50" 98 45'05" 98 45'03" 98 45'56" 98 29'31" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 6565 30 65 30 65 30 30 6565 30 65 30 65 30 65 30 65 30 65 30 65 30 65 30 66 30 66 30 66 30 66 30 66 30 66 30 66 30 66 30 66 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 67 30 68 30 30 65 30 65 30 flow study Stream- Table 4.

72 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

08'09" --03'57" --03'03" --02'24" --00'46" --'00'00" --47'34" --43'08" --37'44" --37'01" --33'54" --32'49" -- --50'34" -- --04'12" -- --04'12" -- --03'21" -- --02'56" -- --02'42" -- --01'22" -- --00'32" -- --01'15" -- –.1 --01'01" -- 0 --00'36" ------.3 6.8 –.3 -- 1.0 -- .9 .7 .1 -- 3.1 0 –.5 -- –1.1 1.5 6.8 -- 10.6 –.1 mouth Creek of Kiowa -- 7.8 6.0 8.5 2.1 6.8 -- 11.6 5.2 13.1 -- 1.7 –7.3 23.7 -- 7.0 29.7 3.9 -- .5 1.0 2.0 36.5 1.4 22.0 38.2 –.2 45.2 .75 45.7 .3 2.25 –.2 0 1.0 1.9 0 .5 .2 2.0 .75 at San Angelo - Mertzon Rd crossing .6 1.0 3 estimate Sterling, above mi 13 Dam - McIntyres at 0 1.5 –.1 4 4.5 .5 6.5 1.5 2.0 7.5 9 estimate 9.5 11 estimate estimate ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 45'14"43'19" Plateau Edwards-Trinity 40'55" Edwards-Trinity Plateau36'02" Edwards-Trinity Plateau21'25" Edwards-Trinity Plateau --14'48" --06'18" -- --58'40" -- --55'40" Ellenburger-San Saba --50'51" --42'42" --40'30" --33'05" -- 6.332'58" --29'39" -- 22.0 0 -- Saba Ellenburger-San –2.2 -- –4.0 15 -- 2.8 3.8 -- 8.2 –3.8 -- -- 0.2 3 -- 7.0 6.8 ------37 -- 4.0 –.7 4.0 10.2 –8.0 10.7 5.0 4.8 –1.0 44 5.0 –3.1 54.2 7.6 4.9 64.9 .7 –1.0 10.0 69.7 2.0 74.7 1.2 Castell gagingstation (08151000) 4.5 82.3 83 6.3 93 94.2 98.7 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 28" 99 of

° 29'34" 99 29'45" 99 30 33'10" 99 41'14" 99 38'57" 99 39'41" 99 42'34" 98 42'20" 98 42'58" 98 45'00" 98 45'10" 98 46'07" 98 44'38" 98 42'06" 98 26'43" 101 24'34" 101 24'27" 101 24'23" 100 23'07" 101 22'21" 101 25'06" 100 25'15" 100 24'40" 100 23'50" 100 22'04" 100 20'42" 100 24'05" 100 52'14" 100 52'04" 100 51'03" 100 50'27" 100 50'24" 100 50'02" 100 50'01" 100 50'03" 100 50'03" 100 49'59" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 6868 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 68 30 69 30 31 6969 31 69 31 69 31 69 31 69 31 69 31 69 31 69 31 69 31 69 31 70 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 31 68 30 flow study Stream- Table 4.

Table 4 73 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

00'14" --59'31" --56'13" --54'32" --53'56" --50'06" --48'18" --45'10" --44'13" --43'51" --40'26" --38'49" -- --38'27" -- --36'14" -- --33'14" -- --32'42" -- --29'38" -- --26'49" -- --04'51" -- --04'12" -- --03'14" -- –0.1 --59'38" -- 0 --59'24" -- 0 -- 1.052'22" -- --50'20" -- .3 6.0 –.3 --45'03" -- 13 3.0 0 --38'09" -- 1.0 --32'52" Lipan .9 8.0 14 --26'49" Lipan .9 20 7.0 --58'37" -- .9 23 –1.0 5.0 --57'07" 24 -- 1.0 –.1 --53'20" -- 32 0 -- 6.043'04" .5 -- 39 –.2 --39'03" -- 4.5 44 –1.3 --37'04" -- 45.5 45 --11'20" -- .5 .2 4.0 –.1 Edwards-Trinity 4.5 Plateau09'50" .1 51.5 -- 0 Plateau Edwards-Trinity 03'03" -- 1.0 Edwards-Trinity Plateau 56 56.5 Lipan 5.0 6.0 60.5 Lipan .2 1.0 -- 1.0 -- 65 -- 66 -- .2 71 2.0 -- 0 -- 1.5 77 –.4 -- estimate 8.1 estimate -- .9 0 1.3 11.4 Lipan .5 2 .7 3.4 –.6 3.5 –.8Dam McIntyres above mi 2 4.4 –.2 12.1 estimate 11.6 5.7 8.8 12.7 8.6 23.5 –.1 26.9 .9 –1.0 2.8 31.3 –.2 2.1 1.3 45.6 37 3.0 6.0 8.1 .7 54.4 –2.0 0 11.0 1.9 0 gaging station (08133500) 0 7.0 3.0 3 2.1 18.0 10.2 9 at road crossing 10.2 mi Roosevelt above at SterlingCity 20 estimate 27 30 estimate ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of of

50'06" 100 49'47" 100 47'52" 100 46'51" 100 46'31" 100 43'59" 100 42'13" 100 40'01" 100 39'37" 100 39'31" 100 36'59" 100 35'42" 100 35'32" 100 34'00" 100 32'30" 100 32'17" 100 29'42" 100 27'56" 100 53'18" 100 52'14" 100 51'31" 100 49'59" 100 49'44" 100 46'03" 100 44'33" 100 39'53" 100 35'33" 100 32'25" 100 27'57" 100 49'41" 100 48'30" 100 46'17" 100 39'37" 100 35'57" 100 34'54" 100 27'30" 100 28'33" 100 29'29" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 7171 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 71 31 72 31 72 31 72 31 72 31 72 31 72 31 72 31 72 31 72 31 72 31 72 31 73 31 73 31 73 31 73 31 73 31 73 31 74 31 74 30 74 30 30 71 31 flow study Stream- Table 4.

74 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

01'51" Edwards-Trinity Plateau -- 0.2 3.9 12.1 ° 58'39"57'52" Plateau Edwards-Trinity 54'15" Edwards-Trinity Plateau52'03" Plateau Edwards-Trinity 48'42" Edwards-Trinity Plateau --05'27" Edwards-Trinity Plateau00'36" -- Trinity --00'25" Trinity57'36" -- Trinity Edwards, 53'10" -- Edwards50'53" Edwards46'07" --37'09" --00'28" --59'06" -- Trinity –.358'43" -- Edwards, Trinity -- 058'39" Edwards57'34" .9 Edwards .7 -- –.556'15" Edwards -- –8.7 4.355'34" Edwards 4.053'09" 16 Edwards 2.352'07" 4.5 -- Edwards -- 16.7 51'05" 21 -- --50'51" -- 25 -- -- 2.9 27.3 47'51" -- 33.0 --44'40" -- -- 2.213'41" 6.0 -- 10.0 -- –6.713'24" Edwards-Trinity Plateau -- –3.012'00" 4.0 Edwards-Trinity Plateau,Trinity -- 14 10'28" Trinity 5.6 -- 010'00" -- Trinity 3.4 –5.8 10 13.607'59" -- Trinity 14.507'14" at FM 12, estimate 20 Trinity -- –81.4 7.6 12.106'04" 1.5 25.6 Trinity -- –2.0 14.004'43" Trinity -- –1.0'03'37" 4.1 1.8 Trinity -- –34.5 29 44.2 02'18" Trinity 1.4 -- –21.3 41.1 Trinity 1.4 –35.7 55.1 -- 46 1.4 -- 1.1 42.7 .06 0 -- 3.4 41.3 at FM 150 39.9 -- .3 1.3 38.5 -- .97 1.8 37.4 -- .29 -- .5 3.5 34 1.2 -- 5.9 .7 -- –.72 .5 7.1 0 32.7 0 7.8 5.3 –.05 31.5 30.8 –.55 2 mi Harper below 23.7 1.7 1.7 .2 15.9 –.1 2.6 –.1 2.3 .9 0 4 2.2 0 5.7 1.9 .05 1.4 8.3 9.2 1.8 11.4 1.5 13.3 14.7 16.5 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 07" 99 52" 99 of

° ° 29'00" 100 29'23" 99 29'25" 99 30 30 31'05" 99 09'38" 98 07'39" 98 05'00" 98 03'06" 97 04'11" 97 05'07" 97 09'32" 97 11'19" 97 04'59" 98 05'15" 97 04'37" 97 03'37" 97 03'06" 97 03'00" 97 03'41" 97 04'12" 97 04'24" 97 04'35" 97 05'08" 97 08'06" 97 10'40" 97 17'04" 99 16'43" 99 15'56" 99 15'54" 99 14'59" 99 14'29" 99 14'24" 99 14'15" 99 14'27" 99 13'54" 99 13'24" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 7474 30 74 30 74 30 75 30 75 30 75 30 75 30 75 30 75 30 75 30 75 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 76 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 30 74 30 74 30 flow study Stream- Table 4.

Table 4 75 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

01'19"00'17" Trinity59'26" Trinity58'45" Trinity58'41" Trinity57'00" Trinity55'49" Trinity55'09" Trinity54'20" Trinity52'33" Trinity --51'18" Trinity --49'45" Trinity --49'04" Trinity --49'04" Trinity --48'24" Trinity44'57" -- Trinity43'56" -- Trinity --42'09" Trinity41'16" -- Trinity --39'17" Trinity 0.05 --37'13" Trinity -- .334'32" Trinity 1.5 .732'58" -- -- –.131'34" -- -- 1.1 .231'13" -- -- 18 .8 --30'24" .08 -- .1 --29'20" .29 19.5 -- 2.0 –.06 --13'41" 1.6 -- 20.6 --13'23" .14 21.4 Edwards-Trinity Plateau .9 –.24 1.1 --12'00" 21.5 Edwards-Trinity Plateau,Trinity –.09 --10'06" 23.5 1.7 Trinity –.06 2.2 --'07'59" Trinity 25.1 26 1.306'25" .41 -- Trinity -- 2.103'52" 27.1 .05 Trinity 28.8 -- 1.603'52" 2.2 Trinity 31 -- 1.1603'52" 1.8 Trinity 32.3 -- –.0559'27" 1.6 Trinity -- –.27 1.557'22" 34.4 Trinity Saba Ellenburger-San 1.13 3.1 36.6 Trinity –.86 2.1 -- 38.4 40 1.4 2.1 -- 41.5 1.2 -- .62 44.6 –.36 -- 2.2 –.12 .5 46.7 -- 1.9 –.45 48.8 6.7 -- –.32 4.3 50 -- .5 –.03 1.7 -- 1.6 .51 63.3 .5 -- 52.2 2.2 56.5 0 1.3 –.28 58.2 .61 59.8 –.22 2.8 2 mi Harper below 62 –.18 3.1 –.59 2.1 3.9 2.4 .36 –.37 3.7 5.2 8.3 .39 3.7 10.4 1.23 2.6 14.3 2.4 4.7 14.3 18 county road 20.6 crossing 23 1 mi SH above 16 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

12'52" 99 12'33" 99 12'32" 98 12'26" 98 12'21" 98 12'29" 98 13'28" 98 13'14" 98 13'21" 98 13'11" 98 13'23" 98 13'07" 98 13'28" 98 13'28" 98 13'52" 98 13'46" 98 13'48" 98 13'43" 98 13'55" 98 14'31" 98 14'16" 98 15'43" 98 16'19" 98 16'06" 98 16'10" 98 18'11" 98 19'10" 98 17'04" 99 16'43" 99 15'56" 99 15'27" 99 14'29" 99 14'48" 99 14'05" 99 14'05" 99 14'05" 99 12'32" 98 12'28" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 7777 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 77 30 78 30 78 30 78 30 78 30 78 30 78 30 78 30 79 30 79 30 79 30 79 30 30 77 30 flow study Stream- Table 4.

76 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 4.15 7.6 83.1 18.3 7.0 73 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor Falls Falls outcrop intersected by subreach Major aquifer of

06'50" Edwards-Trinity Plateau05'34" Plateau Edwards-Trinity 00'10" Plateau Edwards-Trinity ------2.5 .5 –.3 1.005'34" 7.0 Plateau Edwards-Trinity 5.5 0 1 8 0.5 mi McKavett Fort above -- –3.0 5.7 1- MenardMcKavett crossing at first ° ° ° ° 53'47"50'26" Trinity49'05" Trinity47'01" Trinity45'21" Trinity41'29" Trinity39'07" Trinity35'43" Trinity32'42" Trinity30'04" -- --29'25" -- --27'52" --25'18" -- --24'00" ------21'46" Trinity18'34" -- Trinity -- Trinity14'13" --11'45" Trinity Trinity -- 0.12 -- –.51 -- 3.7 1.5254'43" Saba Ellenburger-San 3.052'03" Saba Ellenburger-San .72 Edwards-Trinity Plateau Saba Ellenburger-San 2.6847'06" 4.0 Saba Ellenburger-San Edwards-Trinity Plateau 27.7 2.3 Marble Saba, 43'20" Ellenburger-San Edwards-Trinity Plateau 4.7 31.4 2.6 –.941'22" Edwards-Trinity Plateau 34.439'11" -- .7 .3 -- Edwards-Trinity Plateau 3.7 –1.87 .335'31" -- 38.4 -- Edwards-Trinity 1.3 Plateau 3.8 43.1 US 290 27'20" –1.17 -- -- 3.8 2.2 2.615'13" 3.7 45.7 -- -- .42 9.411'54" –1.4 3.0 49.4 -- --'08'11" -- -- 53.2 67.8 65.2 3.1 70'05'10" -- 2.1 73.7 5703'55" -- -- gaging station (08153500) 60 59'13" 63.1 FM 1320 1.2 –.7 -- –1.6 .84 1.1 5.8 3.5 Saba Ellenburger-San –4.0 4.0 6.5 Saba Ellenburger-San –2.6 5.0 -- –3.1 90.7 5.0 13.5 Hickory 17 96.5 4.0 Ellenburger-San Saba, Hickory –.8 6.0 21 Saba Ellenburger-San 26 –.9 .1 Saba, Ellenburger-San Marble 31 9.0 35 10.0 Falls Marble 3.0 –1.3 41 50 69 –.1 1.0 .6 5.0 72 0 4.0 64 60 .1 80 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

13'07" 98 13'24" 98 13'37" 98 14'17" 98 14'04" 98 14'03" 98 14'22" 98 14'42" 98 16'19" 98 17'05" 98 19'13" 98 19'24" 98 18'16" 98 17'27" 98 17'54" 98 18'10" 98 18'42" 98 20'12" 98 49'57" 100 50'03" 100 52'13" 100 54'00" 99 54'27" 99 55'07" 99 55'12" 99 53'24" 99 52'35" 99 52'47" 99 55'01" 99 00'06" 99 00'53" 99 02'01" 99 03'27" 99 02'56" 99 07'38" 98 50'03" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 7979 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 79 30 30 7980 30 30 8080 30 80 30 80 30 80 30 80 30 80 30 80 30 80 31 80 31 80 31 80 31 31 81 30 79 30 80 31 8080 30 80 30 30 79 30 flow study Stream- Table 4.

Table 4 77 of upstream end of end upstream of Descriptive location selected subreaches inundatedby Lake Nasworthy inundatedby Lake Nasworthy end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 6.9 20.0 56 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor Falls outcrop intersected by subreach Major aquifer of

01'15" Plateau Edwards-Trinity --04'55" Plateau Edwards-Trinity -- 4.6 6.0 5.7 6.7 13.8 0Springs McKavett Fort below mi 1 29'49" Plateau Edwards-Trinity 29'56" Edwards-Trinity Plateau28'37" --26'34" -- --28'48" -- -- 16.5 Lipan Lipan -- 5.0 4.6 9.4 0 now site Christoval, above - 5 mi Springs Main at 5 –1.3 –.2 inundated sitenow by Lake Nasworthy 6.4 2.2 4.0 14.4 1.0 20.8 site inundatednow by Lake Nasworthy site inundatednow by Lake Nasworthy 11.8 site now just Middle above Concho River, ° ° ° ° ° ° ° 55'02"51'34" Edwards-Trinity Plateau50'43" Edwards-Trinity Plateau52'52" Edwards-Trinity Plateau --54'36" --47'06" -- Edwards-Trinity Plateau35'31" -- Edwards-Trinity Plateau26'49" -- --59'13" --55'26" -- --43'05" --42'44" --41'44" -- --54'10" –.2 -- –1.851'32" Edwards, Trinity50'51" 4.4 Edwards 2.750'40" 1.6 -- Saba Ellenburger-San 50'33" -- 4.9 Saba, Ellenburger-San Marble 54'10" 2.0 -- 12.7 16.0 15.4 52'53" Edwards, Trinity Marble Falls51'55" -- 17 Edwards Falls Marble –2.9 7.2 20.051'54" Edwards --51'43" Edwards –.9 -- 15.051'29" Edwards 13.8 -- -- 21 51'32" Edwards 14.050'51" -- Edwards 41 –2.649'54" -- -- 1.0 -- -- 0 5.0 -- -- 14.0 –47.3 -- damsite at Dorans Ranch 20 mi SanSaba above -- 76 2.0 -- 5.2 81 0 -- –30.6 –3.9 -- 2.6 12.9 –1.7 6.2 1.2 .9 –.77 95 -- at FM 1826 –2.73 1.5 -- 98.8 97.6 –5.56 0 7.7 .3 –2.18 .2 12.9 –2.36 1.3 0 .2 .8 6.8 at FM 1826 0 .2 6.5 11.4 0 1.2 10.1 6.3 .8 9.9 .9 .02 9.7 1.33 8.5 1.3 1.4 7.7 6.8 5.5 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

52'02" 100 54'04" 99 54'37" 99 55'27" 99 12'06" 98 50'10" 100 53'56" 99 55'07" 99 52'47" 99 55'13" 99 07'38" 98 09'22" 98 12'46" 98 12'05" 98 12'10" 98 12'32" 97 10'08" 97 10'03" 97 09'48" 97 09'42" 97 12'32" 97 11'53" 97 11'34" 97 11'24" 97 11'24" 97 10'32" 97 10'08" 97 10'03" 97 09'42" 97 07'38" 100 11'13" 100 20'21" 100 23'59" 100 20'12" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 8181 30 82 30 83 31 30 8383 30 83 30 30 8383 31 83 31 83 31 84 31 84 30 84 30 84 30 84 30 85 30 85 30 85 30 85 30 85 30 85 30 85 30 85 30 85 30 86 30 31 83 31 86 31 81 30 83 30 8686 31 87 31 31 81 30 flow study Stream- Table 4.

78 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches estimate by Lake Nasworthy end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

30'00" Plateau Edwards-Trinity 28'51" --29'24" --26'38" -- --26'52" --25'40" --30'07" Plateau Edwards-Trinity 30'03" Edwards-Trinity Plateau30'10" --30'14" ------Lipan 2.6 Lipan Lipan 11.8 Lipan 0 --48'50" -- –1.52 Plateau Edwards-Trinity 48'46" –5.8Canal,inundated nowsite Christoval 300 below ft 10.6 Plateau Edwards-Trinity 48'36" .27 2.0 Plateau Edwards-Trinity 47'09" .4 2.7 -- 3.044'42" 2.8 .7 -- 2.8 --41'34" 0 1.0 -- --39'36" 2.8 12.5 -- --38'31" 11.8 2 .5 --37'37" 2.1 mi south ofChristoval 15.5 –1.47 site inundatednow by Lake Nasworthy --36'25" 16.5 site inundatednow by Lake Nasworthy –1.92 --34'01" site inundatednow 19.3by Lake Nasworthy 4.2 --48'50" site inundatednow by Lake Nasworthy 3.0 Plateau Edwards-Trinity 48'46" site inundatednow by Lake Nasworthy Plateau Edwards-Trinity 48'36" Plateau 4.8 Edwards-Trinity 48'36" -- 11.5 9 Plateau Edwards-Trinity 46'48" -- 1.0 -- --44'42" -- 4.8 -- -- .1 -- -- 2.9 -- -- 3.7 -- -- 0 -- .1 3 Springs, estimate Seven just below .5 –3.6 8.0 -- .4 –4.8 –.6 3.9 3.7 -- 0 .8 .1 10.6 2.2 .3 1.2 2.9 10.6 6.7 2.2 .4 1.0 2.2 1.2 3.6 14.3 0 16.5 2.8 .1 3.8 17.7 3 18.7 Springs Seven just above 3.4 19.9 1.1 22.7 estimate 1.1 4.0 5.0 7 11 estimate ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 54'34"'58'15" Edwards-Trinity Plateau Plateau Edwards-Trinity 57'10"55'59" Edwards-Trinity Plateau55'13" -- Edwards-Trinity Plateau54'16" -- Edwards-Trinity Plateau54'27" Edwards-Trinity Plateau54'09" -- Edwards-Trinity Plateau50'27" Plateau -- Edwards-Trinity -- Edwards-Trinity Plateau ------2.3 1.5 18.5 4.8 1.7 16.9 .1 1.0 –1.4 .5 1.1 0 –1.4Creek 0.5 mi Paint below 5.9 2.9 .3 1.7and South Forks, confluence just below of West 1.6 2.7 .3 7.8 estimate 3.8 6.7 9.5 7 8.6 16.4 end upstream ° ° ° ° ° ° ° ° °

subreach Longitude of of

11'13" 100 22'29" 100 22'50" 100 24'02" 100 24'27" 100 26'05" 100 09'49" 100 11'14" 100 13'20" 100 16'29" 100 18'38" 99 14'14" 99 15'13" 99 15'46" 99 16'19" 99 18'14" 99 18'27" 99 19'36" 99 24'18" 99 13'24" 100 13'26" 100 15'33" 100 18'06" 100 19'37" 100 20'15" 100 20'26" 100 19'55" 100 19'42" 100 19'45" 100 20'00" 100 13'24" 100 13'26" 100 15'53" 100 16'09" 100 18'23" 100 19'37" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 91 30 9191 30 91 30 91 30 91 30 91 30 92 30 31 91 30 88 31 8888 31 88 31 88 31 89 31 89 31 89 31 89 31 90 31 30 9292 31 92 31 92 31 92 31 92 31 92 31 92 31 92 31 92 31 93 31 93 31 93 31 93 31 93 31 93 31 31 88 31 flow study Stream- Table 4.

Table 4 79 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

40'37" --36'03" --34'30" ------0.2 .4 0 4.0 5.0 2.0 16 20 25 estimate ° ° ° 51'36"48'47" --48'18" --47'52" --52'25" --51'36" Trinity51'11" Edwards50'35" Edwards49'59" Edwards49'26" Edwards48'58" Edwards48'47" -- --48'18" -- --47'52" ------47'35" ------47'18" -- --46'44" -- --00'41" -- --00'11" Trinity --59'46" Trinity59'08" Trinity –8.211'45" Trinity -- –3.505'18" Trinity --57'24" –.9 Edwards, 3.7 Trinity -- 3.35 –4.0755'57" Edwards -- .37 .5 –1.2755'57" Edwards -- .4 –3.620'29" .8 14 Edwards .5 -- .818'36" -- –.49 Trinity .9 10.3 -- -- –1.8718'46" Trinity 0.8 mi eastofintersection ofUS 290 andSH71 .8 14.8 --14'59" 9.8 14 -- Trinity .6 --14'03" 9.4 1.0 13.5 Trinity Rd Cave Bee - Hill Oak Old above ft 1,300 13'42" -- Trinity .83 12.6 13'15" –.83 11.8 Trinity -- 11.2 13'07" 6.4 Trinity -- .1 –5.7813'04" Trinity -- .5 –.13 Trinity .4 -- –.15 .8 10.2 -- .37 2.73 10.3 –.01 .5 -- 1.64 .7 -- 9.8 2.3 6.1 .3 9.4 –.1 1.5 -- 4.7 –.2 8.6 -- 11.0 –10.1 8.1 -- 12.1 3.6 7.4 9.8 11.3 -- –.3 8.3 12.1 mi -- above mouth 1.8 27.6 0 3.6 –1.51 16.3 .1 gaging station (08171000) at Wimberley 0 38.6 9.1 5.3 0 at Fishers Storeroadcrossing 0 40.4 1.6 –.94 40.5 2.7 0 .08 1.1 4.08 .7 2.92 5.3 Rd at east crossing of Chimney Valley –1.46 .8 6.9 .2 9.6 10.7 .9 .1 11.4 12.2 12.4 13.3 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

20'16" 100 19'51" 100 19'52" 100 14'06" 97 13'10" 97 13'17" 97 13'23" 97 14'12" 97 14'06" 97 13'45" 97 13'30" 97 13'26" 97 13'22" 97 12'55" 97 13'10" 97 13'17" 97 13'23" 97 13'15" 97 12'59" 97 12'42" 97 10'26" 99 10'40" 99 11'02" 98 11'57" 98 59'39" 98 59'36" 98 00'24" 97 00'09" 97 00'08" 97 05'56" 98 03'53" 98 03'04" 98 02'37" 98 03'03" 98 02'40" 98 01'56" 98 01'49" 98 01'24" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 9494 30 94 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 95 30 96 30 96 30 96 30 96 30 97 30 97 29 97 29 97 30 97 30 98 30 98 30 98 30 98 30 98 30 98 30 98 30 98 30 98 30 30 9393 31 94 31 30 93 31 flow study Stream- Table 4.

80 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

13'10"13'07" Trinity13'08" Trinity12'55" Trinity12'24" Trinity12'18" Trinity11'58" Trinity10'07" Trinity08'07" Trinity06'51" Trinity57'23" -- Trinity56'03" -- Edwards --20'29" Edwards18'20" -- Trinity17'32" -- Trinity16'49" -- Trinity16'10" -- Trinity14'56" -- Trinity13'12" -- Trinity --12'46" Trinity –2.44 --13'11" Trinity --13'07" .47 Trinity 0.2 –.3413'08" -- Trinity --12'49" .02 Trinity 13.94 .3 --12'19" .3 Trinity 13.4 --11'45" .49 Trinity –1.4 .6 .6 --12'05" Trinity 13.6 3.0 13.9 --10'17" 3.1 Trinity 2.7 1.908'20" -- Trinity 14.2 6.29 14.8 -- –4.606'54" 2.8 Trinity –8.505'18" 15.4 -- 1.6 Trinity 18.5 2.3 --03'56" Trinity 2.0 003'09" 20.4 -- Trinity 2.2 0 --01'44" 23.2 Trinity 24.8 057'24" -- 11.4 Edwards, Trinity 0 4.8 --56'09" 13.4 Edwards 3.3 –.155'57" -- 1 mi above Halifax Creek Edwards 0 -- .955'42" 0.75 mi below Halifax Creek Edwards 0 0 .5 -- -- .2 2.68 4.8 -- –2.32 2.8 -- 8.1 -- Rd at east crossing of Chimney Valley –.34 1.1 -- .1 9 9.5 .2 -- .09 –.11 9.7 .2 12.5 -- 7.5 13.6 -- .2 –.25 13.7 .6 -- 13.9 .05 1.4 –.17 1.9 14.1 14.3 .71 2.2 -- 2.8 14.9 .11 16.3 0 .5 2.1 .1 18.2 2.3 20.4 –.5 2.5 –9.24 3.7 23.2 2.6 –1.22 25.3 2.2 1.3 –.14 27.6 34.9 30.1 .5 32.7 gaging station (08171000) at Wimberley .5 38.6 0 39.9 40.4 1.0 40.9 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

01'16" 98 01'09" 98 01'00" 98 00'53" 98 00'51" 98 00'21" 98 58'28" 98 57'18" 98 58'07" 98 58'34" 98 00'23" 97 00'20" 97 05'56" 98 03'54" 98 03'05" 98 03'18" 98 03'09" 98 02'43" 98 01'54" 98 01'37" 98 01'21" 98 01'09" 98 00'55" 98 00'57" 98 00'45" 98 59'39" 98 58'31" 98 57'26" 98 58'02" 98 58'55" 98 59'36" 98 59'07" 98 59'01" 98 58'47" 98 00'24" 97 00'33" 97 00'09" 97 59'39" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. 9898 30 98 30 98 30 98 30 98 30 98 29 98 29 98 29 99 29 99 30 30 98 30 flow study 100100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 30 100 29 100 29 100 29 100 29 100 29 100 29 100 29 100 29 100 29 100 30 100 30 100 30 29 Stream- Table 4.

Table 4 81 of upstream end of end upstream of Descriptive location selected subreaches (08167500) end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

55'20"55'03" --55'08" --05'16" --03'09" Trinity01'20" Trinity00'02" Trinity57'19" Edwards, Trinity56'09" Edwards05'15" Edwards57'23" Edwards, Trinity05'15" Edwards --02'20" Trinity --57'23" -- -- Trinity Edwards, -- --16'22" Edwards --11'21" --06'52" -- Carrizo-Wilcox --04'30" Carrizo-Wilcox --03'36" Carrizo-Wilcox02'22" ------00'21" -- --00'06" 0 Trinity58'35" 0 Trinity -- -- –4.8 5.006'24" 0 Trinity -- 1.605'25" 4.0 Trinity -- –.1 1.7 3.7 2.6 Trinity -- 29.010'23" –6.7 2.6 2.0 41.9 10'24" –8.9 2.2 Trinity 11.4 45.9 09'29" Trinity 7.9 1.3 –15.0 .5 47.6 09'10" 4.5 Trinity 3.1 -- 3.808'54" -- 5.7 Trinity –1.5 -- gaging station (08171000) at Wimberley 10'23" -- 0 8.0 11.6 Trinity 7.7 –15.810'24" -- 12.9 Trinity .23 3.709'29" -- Trinity 2.11 road crossing at Wimberley 11.4 08'54" -- 8.0 Trinity 19.0 6.85 3.7 10'23" 1.56 Trinity 4.610'24" 0 -- Trinity 2.4 11.4 10.009'29" -- 10 Trinity -- TrinityCreek Halifax 29 above mi 1 about Falls at -- 33.6 .8 2.51 -- 0 2.4 -- .31 -- 2.0 .53 .5 24.0 Schertz at 78 FM 60.0 at -- 5.5 3.5 -- 4.0 36 -- 1.8 10.4 38 –4.41 -- 14.7 9.9 17.99 –23.0 -- at bridge on FM 1341 4.4 .2 8.2 19.0 1.3 10 –20.15 .3 1.0 .13about at cave 2.5 mi gaging below station .1 .7 .3 .48 1.6 1.6 below outlet pipe at Canyon Dam –1.91 .2 1.9 1.3 2.9 –.64 1.3 2.68 .7 –2.4 .1 .2 .3 1.3 1.6 1.3 2.9 below outlet pipe at Canyon Dam .1 .3 1.6 Dam Canyon at pipe outlet below end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

59'20" 97 58'57" 97 58'27" 97 59'36" 98 59'00" 98 59'04" 98 59'50" 98 00'15" 97 00'33" 97 59'37" 98 00'23" 97 59'37" 98 59'06" 98 00'23" 97 33'02" 98 30'16" 98 22'11" 98 19'17" 98 17'19" 98 16'30" 98 02'39" 99 02'22" 99 01'00" 98 41'47" 98 40'58" 98 48'30" 98 48'15" 98 48'23" 98 48'22" 98 47'44" 98 48'30" 98 48'15" 98 48'23" 98 47'44" 98 48'30" 98 48'15" 98 48'23" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 100100 29 101 29 101 29 101 29 101 29 101 29 101 30 102 30 102 29 103 30 103 29 103 29 104 30 104 29 104 29 104 29 104 29 104 29 105 29 105 30 105 30 106 30 106 29 29 107107 29 107 29 107 29 108 29 108 29 108 29 108 29 109 29 109 29 109 29 29 107 29 100 29 Stream- Table 4.

82 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches Guadalupe River Guadalupe River Guadalupe end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

08'54"55'08" Trinity51'45" Trinity48'03" Trinity42'58" Trinity40'14" Trinity33'31" Trinity26'52" Trinity24'45" Trinity16'51" Trinity --11'43" Trinity10'47" -- Trinity --08'22" Edwards, Trinity55'08" -- Edwards --51'45" Trinity48'03" -- Trinity --42'58" Trinity --40'16" Trinity37'24" -- -- Trinity33'31" -- Trinity 3.1726'52" -- Trinity 4.824'45" Trinity -- 0.7 .119'40" Trinity 4.716'52" -- 6.4 Trinity 4.813'49" -- Trinity 5.8 –2.6 2.9 13'21" -- 7.5 Trinity 1.0 11.510'47" -- Trinity 0 14.4 .108'21" -- Edwards, Trinity –5.1 6.4 –1.6 11.9 --20'07" 12.2 Edwards 16.6 19.7 2 mi Comfort above gaging station --(08167000) Trinity 31.2 4.2 –5.7 16.821'24" -- 6.5 45.6 14.219'48" –3.9 -- Trinity20'07" 4.7 -- 57.5 Trinity 61.7 1.2 97.4 -- Trinity -- 78.5 4.8 –6.119'58" -- 92.7 19'48" 7.9 -- Trinity 6.4 –4.519'19" 103.9 5.8 Trinity –2.8 --15'13" Trinity 7.5 11.5 4.8 -- Trinity 0 3.7 3.0 6.4 –1.2 11.4 -- 12.2 –13.1 19.7 11.9 2 miComfort above gaging station(08167000) -- 31.2 2.0 4.2 -- 11.6 34.2 9.6 9.2 45.6 -- –.6 5.2 4.8 -- 57.5 61.7 7.7 6.7 -- –4.0 7.8 -- 73.3 3.4 –6.5 78.5 97.4 4.6 86.2 30.8 94 .3 –2.1 104.1 4.3 .3 34 .2 20.0 1.8 .3 33.7 Fork South with confluence above mi 3.87 0.3 –41.7 33.4 .3 .2 34 4.4 .4 33.7 0.3 mi confluence above with South Fork 33.4 33.2 28.8 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

47'44" 98 57'12" 98 58'10" 98 57'17" 98 57'24" 98 53'39" 98 53'30" 98 52'48" 98 51'36" 98 54'15" 98 52'22" 98 48'45" 98 45'47" 98 57'12" 98 58'10" 98 57'17" 98 57'24" 98 53'39" 98 54'02" 98 53'30" 98 52'48" 98 51'36" 98 55'03" 98 54'15" 98 53'46" 98 52'17" 98 48'45" 98 45'45" 98 04'17" 99 02'31" 99 04'18" 99 04'17" 99 04'08" 99 04'18" 99 04'08" 99 04'13" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 110110 29 110 29 110 29 110 29 110 29 110 29 110 29 110 29 110 29 110 29 110 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 111 29 112 29 30 112113 30 30 113113 30 113 30 30 112 30 113 30 109 29 Stream- Table 4.

Table 4 83 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

14'50"11'27" Trinity08'13" Trinity04'50" Trinity02'14" Trinity56'52" Trinity27'10" Trinity25'54" Trinity24'53" Trinity23'49" Trinity22'51" -- Trinity22'19" -- Trinity22'04" -- Trinity20'40" -- Trinity19'54" -- Trinity --20'06" Trinity19'05" -- Trinity --18'39" Trinity18'18" -- Trinity --17'48" Trinity 48.8417'48" -- Trinity –8.3 --16'11" Trinity 13.79 3.414'58" -- Trinity 8.9 4.013'45" -- –12.05 Trinity 6.9513'04" -- Trinity 28.4 7.9712'43" -- 6.6 3.25 Trinity –2.5 25 -- 21 12'00" –3.9 Trinity 4.211'20" -- Trinity –1.6 14.05 2.4 10.8 10'45" -- Trinity 4.5 --09'34" .9 Trinity –4.7 4.2 1.4 –16.309'47" -- Trinity10'19" 0 -- 1.0 Trinity –6.0 1.3 --10'23" 2.4 Trinity 3.0 –8.810'21" 3.3 -- Trinity –1.8 at county road crossingUS281 above 2.508'58" -- 4.7 Trinity –2.2 2.608'25" 5.7 -- Edwards, Trinity 7 1.9 1.307'58" -- Edwards –5.9 10 1.606'38" -- Edwards –2.2 12.5 -- 2.5 Edwards 0 15.1 1.8 -- –1.1 16.4 2.2 -- 3.9 18 -- -- 3.3 20.5 2.5 .2 -- 22.3 2.8 -- 1.8 –4.1 1.4 -- 24.7 24.5 4.0 1.9 –1.0 -- 27.2 .6 –2.9 -- 29 1.4 2.9 3.0 30.4 –2.7 32.3 .8 –2.7 32.9 1.8 7.6 34.3 –5.0 1.8 –1.4 1.1 37.3 –.9 38.1 3.5 .9 39.9 1.8 3.7 41.7 –3.5 2.5 48 42.8 2.9 43.7 1.8 1.8 45.5 1.9 51.5 53.3 55.1 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

04'34" 99 03'59" 99 01'50" 99 57'22" 99 56'46" 99 56'22" 98 53'12" 98 52'05" 98 51'54" 98 51'22" 98 51'42" 98 51'53" 98 53'15" 98 53'13" 98 54'12" 98 54'48" 98 54'50" 98 54'08" 98 53'32" 98 54'12" 98 54'18" 98 53'47" 98 53'10" 98 53'26" 98 51'49" 98 51'26" 98 51'40" 98 52'08" 98 51'31" 98 52'03" 98 50'38" 98 49'57" 98 49'06" 98 48'06" 98 47'40" 98 45'51" 98 45'10" 98 44'44" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 113113 30 113 30 113 29 113 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 114 29 29 113 30 Stream- Table 4.

84 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

27'10"22'51" Trinity37'24" Trinity17'48" Trinity17'48" Trinity14'58" Trinity13'04" Trinity11'00" Trinity10'19" Trinity10'23" Trinity08'58" -- Trinity08'25" -- Trinity Edwards, 27'10" -- Edwards --22'51" Trinity37'24" -- Trinity --17'48" Trinity13'04" -- Trinity08'58" -- -- Trinity08'25" -- Edwards, Trinity32'37" -- Edwards –1.627'10" –24.54 Trinity --22'51" Trinity 15.24 12.3 5.737'24" -- Trinity 017'48" -- Trinity 6.5 2.913'04" -- -- Trinity 7.8 5.7 08'58" 0 -- Trinity –2.2 -- .208'25" 4.3 Edwards, 18 Trinity 1.0 –.827'10" 3.3 Edwards –1.8 at county -- road crossingUS281 above 5.022'51" Trinity 24.5 4.137'24" 24.7 -- 3.5 5.5 Trinity 29 –1.117'48" -- .9 Trinity 32.3 13'04" -- 4.3 Trinity –2.7 48 08'58" 37.3 -- –22.16 -- Trinity 5.508'25" 42.8 -- Trinity Edwards, 23.66 –3.2 12.3 5.7 --27'10" 43.7 Edwards 8.522'51" 51.5 Trinity -- 6.7 3.037'24" 3.5 Trinity 5.7 17'48" 0 -- 7.6 Trinity 3.9 15.7 -- Trinity 18 2.6 48 -- -- –3.4 at county road crossingUS281 above 5.5 24.7 -- –26.6 32.3 10.3 -- 18.6 –2.1 5.7 12.3 -- 51.5 7.4 –10.3 –.1 6.7 -- 3.5 0 -- 7.6 2.2 300 Bergheim-Kendalia below ft Rd 5.7 15.7 -- –3.5 18 -- 48 –19.7 at county road crossingUS281 above 5.5 24.7 15.3 32.3 –.4 5.7 12.3 6.8 51.5 6.7 .3 3.5 0 7.6 5.7 .9 15.7 –1.9 18 48 –8.2 at county road crossingUS281 above 5.5 24.7 6.29 5.7 32.3 12.3 5.91 51.5 6.7 7.6 0 5.7 18 24.7 at county road crossingUS281 above end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

53'12" 98 51'42" 98 54'02" 98 54'12" 98 54'18" 98 53'10" 98 51'49" 98 52'02" 98 49'57" 98 49'06" 98 47'40" 98 45'51" 98 53'12" 98 51'42" 98 54'02" 98 54'18" 98 51'49" 98 47'40" 98 45'51" 98 54'22" 98 53'12" 98 51'42" 98 54'02" 98 54'18" 98 51'49" 98 47'40" 98 45'51" 98 53'12" 98 51'42" 98 54'02" 98 54'18" 98 51'49" 98 47'40" 98 45'51" 98 53'12" 98 51'42" 98 54'02" 98 54'18" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 115115 29 115 29 115 29 115 29 115 29 115 29 115 29 115 29 115 29 115 29 116 29 116 29 116 29 116 29 116 29 116 29 116 29 117 29 117 29 117 29 117 29 117 29 117 29 117 29 117 29 118 29 118 29 118 29 118 29 118 29 118 29 118 29 119 29 119 29 119 29 119 29 29 115 29 Stream- Table 4.

Table 4 85 of upstream end of end upstream of Descriptive location selected subreaches 281 end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

13'04"08'58" Trinity08'25" Trinity Edwards, 27'10" Edwards27'10" Trinity22'04" Trinity37'24" Trinity27'10" Edwards, Trinity -- Trinity22'51"19'05" -- Trinity17'48" Trinity --14'58" Trinity13'04" -- Trinity --11'00" -- Trinity10'25" -- Trinity10'19" Trinity08'58" -- Trinity –.808'25" Trinity Edwards, 27'10" -- Edwards 0.6 --25'54" 3.5 Trinity16'49" -- –1.1 Trinity 15.7 –381.023'49" -- Trinity –41.5422'51" -- 48 –44.0 Trinity 5.526'49" -- -- –32.5 39.0 Trinity 32.3 .122'42" -- Edwards-Trinity Plateau 4.221'16" -- 51.5 Edwards-Trinity Plateau,Trinity 8.0 7.420'27" 18 Trinity -- 5.7 --16'57" –26.0 Trinity 5.8 54'10" -- -- Trinity 5.7 10 estimate (35-50). 4.2 gaging station nearSpring Branch (08167500) --54'15" 12.3 Edwards 5.455'22" -- -- 11.8 --53'29" 6.7 -- 0 6.016'45" -- 4.3 -- 5.7 –4.0 9.0 3.315'24" Trinity 1.0 18 county07'17" road crossing 3.8 mi bridge above on US 5.0 Trinity –1.0 1.4 --04'25" 24.7 3.5 Trinity 29 --02'49" 4.1 Trinity 9.3 5.2 -- 32.3 .44 Trinity –4.3 -- 37.3 48 .07 –.6 5.5 38.7 2.0 –4.7 42.8 2.4 5.8 -- 2.2 –32.0 .9 -- 51.5 1.4 -- 13.6 -- -- 0 1.0 19.4 9.4 at bridge on old SH 41 -- 2.4 6.19 -- 3.3 at Sproul Ranch road crossing at county road crossingUS281 above 1.17 -- 4.7 5.7 1.1 1.46 0 6.7 3.4 11.6 –3.0 4.4 10.5 1.0 4.7 –2.0 3.8 1.5 –2.0 10.0 .4 –.2 gaging station (08166000) 5.8 7.7 14.2 –.24 –1.56 4.8 gaging station nearRiomedina (08180000) 5.3 6.3 1.6 16.3 2.5 1.7 8.3 22.5 27.8 29.4 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

51'49" 98 47'40" 98 45'51" 98 53'12" 98 53'12" 98 53'15" 98 54'02" 98 53'12" 98 51'42" 98 54'50" 98 54'18" 98 53'10" 98 51'49" 98 52'02" 98 51'29" 98 49'57" 98 47'40" 98 45'51" 98 53'12" 98 52'05" 98 03'18" 98 51'22" 98 51'42" 98 11'25" 99 10'42" 99 09'43" 99 09'11" 99 06'00" 99 30'19" 98 27'18" 98 26'35" 98 20'57" 98 51'14" 99 47'53" 99 44'08" 99 43'06" 99 43'28" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 119119 29 120 29 120 29 120 29 120 29 121 29 29 121121 29 121 29 121 29 121 29 121 29 121 29 121 29 121 29 122 29 122 29 122 29 122 30 122 29 123 29 123 30 123 30 123 30 123 30 124 30 124 29 124 29 124 29 125 29 125 29 125 29 125 29 125 29 29 121 29 119 29 Stream- Table 4.

86 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

02'20"02'17" Trinity00'44" Trinity59'47" Trinity59'08" Trinity58'21" Trinity58'24" Trinity58'24" Trinity58'24" Trinity58'24" Trinity24'14" -- Trinity23'27" -- Trinity22'06" -- Trinity --17'45" Trinity --16'44" Trinity15'36" -- Trinity --12'12" Trinity10'47" -- Trinity'05'25" -- Trinity --01'23" Trinity –0.6 --58'33" Trinity –.3 --18'45" Trinity –.1 0.116'44" -- Trinity –.0115'24" -- 1.2 Trinity –.0107'17" -- 1.5 Trinity 31.1 1.8 --04'25" .46 Trinity –.5902'44" 31.2 -- .9 Trinity –1.5800'44" 32.4 -- Trinity –2.19 33.9 .7 1.7 --59'47" Trinity 4.0 –.62 35.7 59'08" -- Trinity 3.1 2.458'21" -- Trinity 36.6 37.3 2.0 2.158'23" -- Trinity 39 –2.0 --57'18" 2.0 Trinity 43 –1.258'15" -- 2.5 Trinity 46.1 4.8 6.6 --58'04" Trinity 1.8 -- .258'00" 0 Trinity 1.758'34" -- 2 3.2 Trinity –1.158'53" 4.5 -- Trinity 6.7 –.5 Lima of 11.1 northwest mi 5.3 -- 3.1 Trinity –2.1 8.3 -- 12.9 –2.0 -- 4.4 16.1 0 3.1 -- 22.8 1.5 25.9 2.1 -- –1.35 34.2 -- –.14 38.6 2.5 -- 5.8 14.2 –.01 41.7 -- 5.3 0 -- gaging station (08179000) 1.7 0 0 -- 2.5 8.3 –.01 22.5 0 2.9 0.5 mi RockyCreek below 27.8 1.8 1.5 .24 .1 29.5 0 .9 33.9 32.4 .7 –.3 1.7 –.7 0 35.7 .8 3.2 36.6 0 37.3 .5 0 39 .6 39.8 .7 43 1.3 gaging station (08179000) near Pipe Creek 43.5 44.1 44.8 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

43'18" 99 43'08" 99 42'57" 99 43'27" 98 42'35" 98 42'28" 98 42'00" 98 42'00" 98 42'00" 98 42'00" 98 51'36" 99 52'28" 99 51'33" 99 50'41" 99 51'14" 99 49'30" 99 46'31" 99 45'33" 99 43'12" 99 43'10" 99 40'32" 98 51'21" 99 51'14" 99 47'53" 99 44'08" 99 43'06" 99 43'34" 99 42'57" 99 43'27" 98 42'35" 98 42'28" 98 40'23" 98 40'51" 98 40'03" 98 38'17" 98 37'41" 98 37'39" 98 37'29" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 125125 29 125 29 125 29 125 29 125 29 125 29 125 29 125 29 126 29 126 29 126 29 126 29 126 29 126 29 126 29 126 29 126 29 126 29 126 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 127 29 29 125 29 Stream- Table 4.

Table 4 87 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

58'46"04'25" Trinity59'44" Trinity58'25" Trinity58'33" Trinity59'00" Trinity58'50" Trinity58'40" Trinity58'41" Trinity54'55" Trinity55'09" -- Trinity Edwards, 54'01" -- Edwards54'18" -- Edwards --53'22" --53'46" -- --52'22" ------51'53" -- --46'15" ------42'19" --39'43" -- -- 037'10" -- –6.34 --35'34" Carrizo-Wilcox –3.0632'53" Carrizo-Wilcox 6.2 7.65 1.029'25" Carrizo-Wilcox -- 2.6 1.134'25" Carrizo-Wilcox –3.58 --32'00" .6 Edwards-Trinity Plateau 27.8 -- 46.1 –.39 1.531'16" 1.8 Edwards-Trinity 34 Plateau -- 7.1 1.530'12" FM 689Bandera at Edwards-Trinity Plateau -- -- 2.3 2.1 36.6 29'17" Edwards-Trinity Plateau 4.0 -- --26'42" 37.2 1.3 -- 3.3 39 Edwards-Trinity Plateau -- --25'08" -- 4.1 Edwards-Trinity Plateau .8 46.1 -- --24'39" -- Trinity 4.1 2.822'48" -- Trinity 027'33" .8 2.4 -- Trinity 3.3 27'11" -- 2.8 Edwards-Trinity Plateau 8.1 at road crossingdam 0.5 mi below –7.127'10" Edwards-Trinity Plateau 4.026'48" 0 3.5 Edwards-Trinity Plateau 2.8 –4.126'30" –2.5 Edwards-Trinity Plateau 9.6 –5.4 -- Edwards-Trinity Plateau 1.8 2.3 dam justdiversion below .8 –2.4 -- 1.0 .01 6.8 3.4 4.8 -- -- 1.5 .13 5.5 1.2 7.6 10.07 2.1 -- -- 4.0 17.2 4.0 –2.3 5.3 -- 19.5 -- 41.8 1.0 4.7 1.0 3.8 2.5 26.3 45.2 1.0 54 47.3 .7 31.8 50 4.6 37.1 49 51.3 county road low-water crossing 1.8 48 47 .15 –.02 at FM 1340 crossing low-water –1.12 42.4 –.73 10.1 1.56 .7 .2 3.77 .8 1.4 .19 2.4 1.0 14.9 3.4 14.2 2.9 40.6 14 39.8 0.4 mi Mullen above Creek 12.6 37.4 11.6 crossing at SH 39 low-water end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 51" 98 of

° 35'29" 98 43'06" 99 43'26" 98 42'29" 98 40'32" 98 39'27" 98 37'15" 98 37'47" 98 33'17" 98 34'08" 98 31'33" 98 30'35" 98 29 28'13" 98 26'27" 98 21'17" 98 19'28" 98 19'47" 98 20'47" 98 18'21" 98 16'57" 98 15'42" 98 14'46" 98 15'50" 98 04'16" 99 03'11" 99 03'22" 99 03'35" 99 03'36" 99 03'39" 99 03'21" 99 03'38" 99 04'06" 99 57'16" 99 57'32" 99 57'50" 99 58'25" 99 58'47" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 128128 29 128 29 128 29 128 29 128 29 129 29 129 29 129 29 129 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 130 29 131 29 131 30 131 30 131 30 131 30 131 30 131 30 131 30 131 30 132 30 132 29 132 29 132 29 132 29 29 127 29 Stream- Table 4.

88 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

24'16"23'42" Edwards-Trinity Plateau22'24" Edwards-Trinity Plateau13'24" Edwards-Trinity Plateau,Trinity 10'54" Trinity08'53" -- -- Trinity05'36" -- Trinity56'40" Trinity54'36" Gulf Coast54'55" Gulf Coast54'26" Gulf Coast54'18" Coast Gulf 51'14" Gulf Coast51'11" -- Gulf Coast --52'27" Gulf Coast 1.33 0.6549'01" -- Coast Gulf -- --'46'39" .19 Gulf Coast -- 3.043'47" 1.1 Gulf Coast --42'29" Gulf Coast 1.9 --41'12" Coast Gulf -- 5.7 8.7 Gulf Coast --41'10" 7.6 --41'18" Gulf Coast 9.14 --39'43" Coast Gulf 2.82 --42'30" Coast Gulf 5.63 -- 3.541'10" Coast Gulf 1.3 5.7 --41'17" .96 Gulf Coast -- 4.239'43" .87 Coast Gulf 11.2 --48'38" 1.3 .13 5.9 Coast Gulf 1.2 7.7 48'02" 4.1 Gulf Coast at bridge on FM 1273 11.2 2.1 --46'44" 1.7 Gulf Coast –.4 -- 77.7 3.742'29" 7 Gulf Coast at low-water crossing on 2.9 county road -- 71.8 42'59" 4.8 Gulf Coast 1.47 -- 200 gaging below ft station 67.7 (08163500) 44'24" 8.2 Coast Gulf 3.2 66 --44'39" 8.7 Gulf Coast 1.2 7.3 -- 62.3 43'07" Gulf Coast 1.7 -- 57.5 40'24" 4.1 Coast Gulf .5 49.3 --37'18" 3.9 Gulf Coast 40.6 2.4 -- 3.1 Coast Gulf 33.3 -- 5.4 –.2 29.2 -- 4.5 2.0 -- 25.3 1.9 -- 22.2 1.1 1.48 16.8 -- 2.4 -- 3.0 .4 1.74 3.0 -- 3 -- .86 4.1 1.1 2.4 –.26 6.5 1.7 at US 59 gaging station (08164000) 0 3.0 –6.39 2.8 3 7.1 4.1 5.4 8.2 3.33 6.5 78.2 2.7 at US 59 gaging station 4.4 (08164000) –1.0 8.7 75.4 70 1.9 400 gaging below ft station (08164300) 4.8 1.1 4.9 61.8 57.4 –.53 5.9 48.7 5.3 43.9 5.8 39 33.1 27.8 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

00'19" 99 00'15" 99 00'42" 99 58'37" 99 57'47" 99 53'03" 99 53'46" 99 26'29" 96 22'52" 96 20'56" 96 20'14" 96 18'38" 96 18'57" 96 14'54" 96 09'28" 96 05'05" 96 03'32" 96 02'29" 96 00'40" 96 57'38" 96 59'50" 96'42'30"57'32" 96 56'34" Gulf Coast 96 55'08" 96 59'49" 96 57'30" 96 56'34" 96 55'08" 96 27'57" 96 25'54" 96 --22'55" 96 19'16" 96 16'21" 96 11'50" 96 08'08" 96 05'47" 96 03'55" 96 01'52" 96 2.0 3.0 0 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 136 28 132132 30 133 30 133 29 134 29 134 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 135 29 136 28 28 136136 28 137 28 137 28 137 28 137 28 138 28 138 29 138 29 138 29 138 29 138 29 138 29 138 29 138 29 138 29 29 132 30 Stream- Table 4.

Table 4 89 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

33'09"59'43" Coast Gulf 59'20" --58'21" --58'33" Carrizo-Wilcox59'07" Carrizo-Wilcox36'56" Carrizo-Wilcox34'42" --33'02" -- --31'24" --28'51" -- Queen City24'33" -- --20'09" -- Queen City --17'07" -- Queen City17'07" --12'14" Gulf Coast11'06" Gulf Coast06'51" Gulf Coast City Queen –.505'45" Coast Gulf Queen City 1.4518'16" Gulf Coast Queen City .418'29" 2.4 -- Sparta Queen City, –.1 8.218'45" -- 3.1 Sparta18'20" -- -- .5 .1 --17'07" -- 1.3 .8 22 -- 1.9 --15'44" -- -- .96 --12'27" Gulf Coast 1.05 .9 1.77 0 --12'12" Coast Gulf –.43 2.9 .5 -- 3.7 11'53" Coast Gulf 6.0 2.211'06" Coast Gulf at county road crossing 0.25 mouth mi above 3.9 5.6 06'51" Gulf Coast 006'32" .45 Gulf Coast -- 9 2.9 05'45" Coast Gulf -- 5.1 03'01" 6.0Poteet of Gulf southwest Coast mi 3 -- .02 –.53 --18'29" Gulf Coast -- .28 --18'21" .06 14.1 –.51 -- 11.7 -- -- 15 18'15" .76 -- 12.0 1.15 --17'07" 12.6 9.1 -- –.2 -- 21 15'48" 6.9 59.7 -- 9.0 -- 35.1 Coast Gulf 47.1 -- 71.4 7.4 80.5 -- 2.29 87.4 -- .25 96.4 –.96 .5 .05 .14 4.8 –.18 –.82 3.4 -- –.55 7.9 47.1 -- 3.9 –.02 2.4 -- 47.6 1.4 -- 2.5 .27 52.4 -- hwy bridge at Campbellton 6.6 61.1 .21 55.8 69 1.13 59.7 6.9 –2.1 71.4 2.3 73.9 6.7 1.42 7.4 80.5 3.5 87.4 89.7 –.53 96.4 103.8 –.44 –.37 –.11 8.2 2.5 .01 8.0 1.4 47.6 1.3 55.8 61 at Campbellton 58.3 59.7 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

01'34" 96 15'21" 94 15'19" 94 13'08" 94 11'19" 94 09'21" 94 01'13" 98 00'59" 98 00'39" 98 59'43" 98 58'10" 98 56'43" 98 51'49" 98 37'12" 98 37'19" 98 31'35" 98 26'10" 98 26'14" 98 21'20" 98 44'56" 98 44'39" 98 41'34" 98 39'24" 98 37'17" 98 37'03" 98 32'56" 98 31'35" 98 29'29" 98 26'09" 98 26'15" 98 24'17" 98 21'20" 98 17'50" 98 44'39" 98 39'24" 98 37'47" 98 37'17" 98 37'05" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 139139 32 139 32 139 32 139 32 140 32 140 29 140 29 140 29 140 28 140 28 140 28 140 28 140 28 140 28 140 28 140 28 140 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 141 28 142 28 142 28 142 28 142 28 142 28 28 138 29 Stream- Table 4.

90 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

12'27"12'12" Coast Gulf 11'06" Gulf Coast06'51" Gulf Coast06'32" Gulf Coast05'45" Gulf Coast03'00" Coast Gulf 52'12" Gulf Coast51'23" Plateau Edwards-Trinity --51'08" Plateau Edwards-Trinity --51'03" Edwards-Trinity Plateau --50'45" Edwards-Trinity Plateau -- --50'44" Edwards-Trinity Plateau -- --50'24" Edwards-Trinity Plateau --50'43" -- Edwards-Trinity Plateau --50'54" -- Edwards-Trinity Plateau50'58" -- Edwards-Trinity Plateau50'51" -- Edwards-Trinity Plateau48'40" -- Edwards, Edwards-Trinity Plateau 0.0948'39" -- Edwards, Edwards-Trinity Plateau -- –.546'51" -- Edwards -- 2.453'11" .79 -- Edwards53'29" .2 .55 9.1 Edwards-Trinity Plateau –.253'17" .72 6.9 Plateau Edwards-Trinity 69 .5 1.052'01" 2.3 Edwards-Trinity Plateau –1.0 –.93 .7 71.4 52'08" 2.2 6.7 Edwards-Trinity Plateau 80.5 52'19" -- .4 7.4 Edwards-Trinity Plateau 1.1 2.1 87.4 –.452'12" -- Edwards-Trinity Plateau .9 8.2 89.7 51'24" -- 8.9 .1 Edwards-Trinity Plateau --51'09" 96.4 .2 –.42 -- 11.1 103.8 .9 Edwards-Trinity Plateau -- .6'51'03" -- 12.2 .29 Edwards-Trinity Plateau .66 –.0550'45" .3 -- Plateau Edwards-Trinity 3.9 1.1 13.1 50'46" Plateau -- Edwards-Trinity 1.1 13.3 1.550'38" 2.3 -- Edwards-Trinity Plateau 13.9 50'27" 18.7 -- Edwards-Trinity Plateau 14.2 50'53" -- 15.3 Edwards-Trinity Plateau 22.6 16.4 --50'58" .56 Edwards-Trinity Plateau –.3249'59" -- Edwards-Trinity Plateau –2.24 –.24 -- Edwards, Edwards-Trinity Plateau .8 1.7 –1.99 -- .8 -- 3.7 –.6 -- 2.0 –.2 2.1 -- 1.2 0 1.0 .8 –1.0 .3 2.5 24.1 .5 26.1 1.0 .7 –.8 6.2 2.2 1.3 gaging station (08196000)mile26.2 7.4 river at 1.1 –1.0 7.7 .8 8.2 –.5 8.9 .2 1.0 –.98 11.1 .3 1.82 12.2 –1.14 .2 13 5.4 .8 13.2 .8 3.4 13.5 18.7 13.7 14.5 15.3 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

32'56" 98 31'35" 98 26'09" 98 26'14" 98 24'17" 98 21'19" 98 17'50" 98 38'38" 99 38'17" 99 36'39" 99 35'55" 99 35'13" 99 35'02" 99 34'27" 99 34'20" 99 33'40" 99 32'45" 99 32'27" 99 30'49" 99 30'01" 99 30'15" 99 42'50" 99 42'02" 99 41'18" 99 40'10" 99 39'14" 99 39'00" 99 38'38" 99 38'17" 99 36'39" 99 35'55" 99 35'26" 99 35'07" 99 34'48" 99 34'38" 99 34'10" 99 33'35" 99 32'16" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 142142 28 142 28 142 28 142 28 142 28 143 28 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 143 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 144 29 29 142 28 Stream- Table 4.

Table 4 91 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

48'39"46'51" Edwards53'11" Edwards53'29" Edwards-Trinity Plateau53'34" Edwards-Trinity Plateau52'27" Edwards-Trinity Plateau51'45" Edwards-Trinity Plateau52'19" -- Edwards-Trinity Plateau50'45" Plateau -- Edwards-Trinity 50'58" Plateau -- Edwards-Trinity --49'59" -- Edwards-Trinity Plateau --49'47" -- Edwards, Edwards-Trinity Plateau --48'38" Edwards -- --46'51" Edwards50'46" -- Edwards50'49" Edwards-Trinity Plateau49'41" Edwards-Trinity Plateau48'31" Plateau Edwards-Trinity .91 Edwards, –1.0146'46" -- Edwards46'51" 0.36 -- .15 Edwards –3.74 1.7 .8 –1.2445'30" -- Edwards -- 4.3342'11" 2.0 Edwards 2.3 -- 1.1 1.941'39" 1.9 -- .1 -- 5.01 0 40'44" 1.0 .8 -- 4.08 24.1 39'28" 4.3 -- 2.5 3.3 4.8 26.1 2.439'52" Edwards-Trinity Plateau39'41" 3.4 Plateau 6.7 Edwards-Trinity -- gaging station (08196000)mile26.2 river at 40'43" Plateau 7.7 Edwards-Trinity 12 -- 18.7 1.5842'59" Edwards-Trinity Plateau -- 15.3 1.1543'28" -- Edwards-Trinity Plateau -- -- 3.0143'44" 4.0 Plateau Edwards-Trinity .4 --43'53" 2.4 –.32 Plateau Edwards-Trinity –1.039'28" 4.1 -- Edwards-Trinity Plateau -- 3.039'27" -- 1.9 6.5 Edwards-Trinity Plateau -- --40'00" 0 Edwards-Trinity Plateau -- .1 --39'50" Plateau 2.4 Edwards-Trinity 21.1 24.1 40'44" 2.92 -- Edwards-Trinity Plateau at Clark Ranchhousemi Reagan 6 above Wells –9.6643'28" -- Edwards-Trinity Plateau 26 –54.0 Plateau –255.0 -- 3.5 Edwards-Trinity -- –.11 1.5 –.61 gaging station 4.0 (08196000)mile26.2 river at 12.8 -- 1.23 10.5 4.1 -- –83.8 –4.91 14 -- .8 –17.4 –2.61 .9 0 4 –15.41 0 2.6 11 1.4 1.94 3.1 .6 6.9 –1.94 3.3 gaging station (08196000) 6.1 11 mi above mouth 1.0 16.8 5.2 .1 .83 18.2 1.72 .9 2.6 21.3 –.1 2.1 2 –.9 2.1 1 –5.3 1.0 .9 –.36 11 .7 3.1 8.9 1.0 6.8 11 mi above mouth 5.8 5.1 2 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 58" 99 51" 99 of

° ° 30'01" 99 30'15" 99 42'50" 99 42'02" 99 41'10" 99 40'53" 99 39'35" 99 39'00" 99 36'12" 99 33'35" 99 32'16" 99 30'35" 99 29 30'15" 99 35'32" 99 34'04" 99 32'06" 99 30'28" 99 29 30'15" 99 27'25" 99 22'26" 99 21'29" 99 19'48" 99 48'22" 99 50'31" 99 50'03" 99 48'31" 99 45'38" 99 45'35" 99 45'00" 99 44'57" 99 48'22" 99 51'36" 99 50'30" 99 49'45" 99 48'30" 99 45'35" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 144145 29 145 29 145 29 145 29 145 29 145 29 145 29 145 29 145 29 145 29 145 29 145 29 146 29 146 29 146 29 146 29 146 29 147 29 147 29 147 29 147 29 147 29 148 29 148 29 148 29 148 29 148 29 148 29 148 29 148 29 149 29 149 29 149 29 149 29 149 29 149 29 29 144 29 Stream- Table 4.

92 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

43'44"43'53" Plateau Edwards-Trinity 40'44" Plateau Edwards-Trinity 43'51" Edwards-Trinity Plateau43'54" Plateau Edwards-Trinity --40'44" Edwards-Trinity Plateau --43'52" Edwards-Trinity Plateau43'54" Plateau -- Edwards-Trinity --39'50" Edwards-Trinity Plateau39'44" -- Edwards-Trinity Plateau40'32" -- Plateau Edwards-Trinity --43'00" Edwards-Trinity Plateau44'57" -- Edwards-Trinity Plateau45'22" -- Edwards-Trinity Plateau45'11" -- Edwards-Trinity Plateau 0.7644'45" -- Edwards-Trinity Plateau –.7644'15" -- Edwards-Trinity Plateau –6.95 0.143'29" -- Edwards-Trinity Plateau 3.5342'15" .9 -- Edwards, Edwards-Trinity Plateau –3.53 4.241'50" -- Edwards -- –9.52 1 41'11" .5 -- Edwards 3.1939'50" .5 -- Edwards .9 –2.16 4.2 5.239'40" Edwards –1.1139'47" .5 1 Edwards 2.64 road Cypress above Creek 39'52" .5 Edwards-Trinity Plateau .5 –2.53 5.245'00" .1 Edwards-Trinity Plateau –8.91 3.244'15" 1 Edwards-Trinity Plateau 5.5 5.2 mi Frio above River 4.5343'56" Edwards-Trinity Plateau .5 -- 2.0 6.5742'57" 0 -- Edwards-Trinity Plateau -- 2.042'47" 1.0 1.0 -- Edwards-Trinity Plateau .1 -- 3.3 5.542'15" -- Edwards, Edwards-Trinity Plateau .5 -- 13.1 just Big above Spring Creek 8.8 41'50" -- Edwards 2.5 -- -- 4.5 10.8 42'01" -- Edwards 8.542'01" 3.5 11.8 -- Edwards42'06" 12.3 Edwards 26.8 42'12" 14.8 Edwards 23.3 15'05" Edwards –8.014'21" Gulf Coast –12.4 .52 Gulf Coast 13.85 –13.8 –12.8 1.0 -- –3.8 3.0 16.7 4.1 -- 19.3 –2.0 –2.5 2.5 -- 1.7 31.3 .2 -- .3 32.3 2.1 4.8 .9 4.1 0 -- .2 35.3 -- 20.8 1.9 -- 37.8 3.5 22.5 -- Ranch 3,300 on Wolf ft above 30 dam 38.1 24.6 26.5 –8.96 –5.72 –3.72 1.0 2.71 .7 –1.99 .1 34.8 –.72 .8 1.2 35.8 –1.68 .7 36.5 .4 1.65 36.6 5.08 37.4 38.1 0 1.65 at Choke Canyon Reservoir end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 17" 99 17" 99 of

° ° 45'00" 99 44'57" 99 48'31" 99 44'58" 99 44'56" 99 48'32" 99 44'58" 99 44'56" 99 50'31" 99 50'31" 99 48'57" 99 45'34" 99 44'03" 99 42'56" 99 42'18" 99 40'57" 99 36'15" 99 34'36" 99 29 28'41" 99 26'44" 99 26'47" 99 26'33" 99 52'03" 99 50'30" 99 37'22" 99 36'14" 99 35'06" 99 34'25" 99 32'10" 99 29 28'40" 99 28'11" 99 28'08" 99 27'59" 99 27'44" 99 29'32" 98 29'09" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 149150 29 150 29 150 29 151 29 151 29 151 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 152 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 153 29 154 29 154 28 28 149 29 Stream- Table 4.

Table 4 93 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

11'20"42'15" Gulf Coast39'57" Edwards38'54" Edwards39'14" --39'14" --38'54" --42'15" --41'55" Edwards --41'40" Edwards40'06" Edwards --42'15" Edwards --41'55" Edwards41'40" Edwards40'06" Edwards --42'40" Edwards --42'15" Edwards -- --42'01" Edwards -- --41'34" Edwards -- 0.648'14" Edwards -- –41.041'17" -- -- –66.326'35" 1.86 -- --23'22" 5.6 -- --14'37" 6.1 Gulf Coast -- –21.0 6.73 42'15" Coast Gulf -- –29.939'55" 0 Edwards -- –32.2 –7.038'57" 2.9 5.6 Edwards -- –9.74 27.039'32" 2.2 -- –33.0 -- gaging station (08195000) 5.439'12" –220.0 -- 1.2 11.7 38'43" 6.2 -- 1.8 –16.0 14.6 2.042'15" 13.5 -- -- 16.8 -- 15.039'55" Edwards –24.2 -- 0 22.2 --38'56" 1.2 Edwards -- 1.2 –98.8 3 39'32" 5 -- 1.8 -- 2.039'12" gaging station at Concan (08195000) 2.0 -- -- 13.538'43" 2.0 0 -- –9.020'08" -- 1.2 –20.7 1.0 3 18'17" Trinity -- 1.5 gaging station at Concan (08195000) 5 Trinity 2.0 -- 1.5 -- -- 0 –1.0 -- -- .7 1 3.51 2.5 1.96 4.5 5.46 at Concan-Leakey road crossing –51.0 9.6 24.7 9.1 -- –61.0 9.4 10.1 -- 5.6 -- 19 53.8 62.9 -- 6.1 -- –41.0 29.1 9.4 -- –35.7 at SH 97 crossing 0 –45.0 23.0 2.9 5.6 –25.48 –48.0 2.2 gaging station (08196000) 5.4 5.6 6.2 11.7 6.1 –30.0 14.6 –59.0 16.8 22.2 0 –75.0 2.9 5.6 –40.0 2.23 2.2 4.1 5.4 gaging station (08196000) 3.2 11.7 6.2 14.6 2.9 16.8 22.2 0 3.2 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 17" 99 17" 99 17" 99 41" 99 17" 99 17" 99 17" 99 of

° ° ° ° ° ° ° 28'01" 98 29 26'46" 99 23'47" 99 19'48" 99 19'48" 99 17'31" 99 29 28'36" 99 27'34" 99 26'44" 99 29 28'36" 99 27'34" 99 26'44" 99 29 29 28'25" 99 27'11" 99 28'18" 98 25'49" 98 31'03" 98 31'24" 98 29'04" 98 29 26'47" 99 23'22" 99 21'02" 99 16'45" 99 17'30" 99 29 26'47" 99 23'21" 99 21'02" 99 16'45" 99 17'30" 99 40'30" 99 38'45" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 155155 29 155 29 155 29 155 29 155 29 156 29 156 29 156 29 156 29 157 29 157 29 157 29 157 29 158 29 158 29 158 29 158 29 159 29 159 28 159 28 159 28 159 28 160 28 160 29 160 29 160 29 160 29 160 29 161 29 161 29 161 29 161 29 161 29 161 29 162 29 162 29 29 154 28 Stream- Table 4.

94 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

16'21"16'14" Trinity15'32" Trinity15'15" Trinity'14'47" Trinity Edwards, 14'03" Edwards12'42" Edwards12'21" Edwards11'12" Edwards10'22" -- --08'22" ------05'12" -- --15'00" --15'00" Edwards, Trinity --13'59" Edwards --12'59" Edwards --12'59" Edwards --10'59" Edwards09'59" --08'49" ------0 3.8506'59" -- -- 6.204'59" -- -- 4.04 2.203'00" ------0.1 –9.714'47" 2.1 -- -- 1.7 –5.213'12" Edwards -- 10 –8.312'15" 2.7 Edwards -- 6.1 –5.511'12" 6.2 Edwards 3.9 8.3 10'22" -- 2.646'14" 12.2 -- 2.7 -- –16.545'47" 7.0 14.9 -- -- –2.644'35" (08200000) gaging station nearTarpley 18.8 -- -- –1.2442'27" 3.5 21.4 Carrizo-Wilcox -- 1.7 –24.041'07" Carrizo-Wilcox 3.5 -- .84 -- –25.040'50" 3.6 Carrizo-Wilcox -- -- –11.0 24.1 40'40" 2.7 10.5 Carrizo-Wilcox -- 2.5 –17.040'06" 3.9 27.6 Carrizo-Wilcox 31.1 40'00" 2.6 50ft Bandera below Creek Carrizo-Wilcox 12.2 39'45" 2.7 34.7 Carrizo-Wilcox -- –28.0 -- 14.9 Carrizo-Wilcox -- -- 18.8 –3.0 -- -- 21.4 3.5 1.0 -- -- 0 2.5 –78.0 -- 1.0 –41.7 -- 1.9 24.1 1.0 –20.3 -- 5.7 2.6 27.6 -- 2.6 4.0 30.1 2.8 2.7 –19.4 32 0 5.1 34.6 –1.8 5.7 1.3 37.2 4.4 9.7 4.7 5.4 gaging station (08200000) 2.5 0 3.0 2.1 .2 1.0 1.9 12.4 .5 –.5 3.8 1.9 –.3 16.8 .3 6.3 .9 .2 0 .3 9.3 .3 1.9 9.8 10.1 at old hwy bridge 1.7 mi southeast of Uvalde .2 11 11.3 11.6 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

38'37" 99 38'35" 99 37'01" 99 35'43" 99 34'09" 99 32'36" 99 30'14" 99 28'22" 99 27'04" 99 24'21" 99 22'54" 99 22'02" 99 34'59" 99 34'00" 99 31'59" 99 30'00" 99 28'00" 99 27'00" 99 24'00" 99 23'16" 99 22'59" 99 22'00" 99 21'00" 99 34'09" 99 31'17" 99 28'23" 99 27'06" 99 24'16" 99 11'19" 99 10'27" 99 09'15" 99 07'54" 99 06'49" 99 06'35" 99 06'22" 99 05'48" 99 05'42" 99 05'31" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 162162 29 162 29 162 29 162 29 162 29 162 29 162 29 162 29 162 29 162 29 163 29 163 29 163 29 163 29 163 29 163 29 163 29 163 29 163 29 163 29 163 29 164 29 164 29 164 29 164 29 164 29 165 29 165 29 165 29 165 29 165 29 165 29 165 29 165 29 165 29 165 29 29 162 29 Stream- Table 4.

Table 4 95 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

39'28"39'24" Carrizo-Wilcox39'19" Carrizo-Wilcox39'29" Carrizo-Wilcox38'46" Carrizo-Wilcox37'45" Carrizo-Wilcox37'26" --37'15" -- --37'06" -- --37'06" -- --36'55" -- --36'49" -- --36'32" --35'41" --34'57" --34'58" --34'05" -- --33'34" -- 1.5 --32'14" –3.3 -- --29'30" -- -- .6 0.527'11" -- –.5 -- .646'15" -- -- .545'47" -- -- .6 11.8 2.444'35" -- -- 12.3 41'25" 1.3 Carrizo-Wilcox --39'45" 12.9 Carrizo-Wilcox -- 13.5 –2.037'16" Carrizo-Wilcox -- 15.9 37'06" –.8 -- --36'49" -- 2.1 -- .6 –2.834'37" -- -- 1.534'05" -- -- .3 --29'30" 17.2 –.7 .5 -- 1.9 -- --46'14" –.2 -- 19.3 -- -- –1.045'47" 1.3 -- --44'35" 20.8 .9 21.3 –.5 --43'46" .8 –.4 Carrizo-Wilcox 2.2 23.2 –1.243'46" Carrizo-Wilcox 2.0 24.5 43'04" Carrizo-Wilcox -- .1 1.1 25.4 26.2 –.4 Carrizo-Wilcox 2.5 -- –.8 28.4 -- 2.3 –9.2 –.7 30.4 -- 2.0 11.9 31.5 –.3 -- -- 3.8 –9.6 4.9 -- 1.5 -- 34 4.1 8.4 36.3 2.9 -- -- 3.2 38.3 -- 6.0 -- 2.1 42.1 6.6 4.5 46.2 8.1 –2.6 11 0 –2.2 2.1 –1.1 3.1 –1.4 at hwybridge 2.0 1.7 mi southeast of Uvalde –1.7 1.2 2.5 17 –.5 3.1 –.4 20.1 7.1 –.5 .6 –1.4 22.1 .8 –.1 4.0 23.3 .9 1.9 26.4 .8 3.0 1.9 3.8 33.5 4.6 0 5.5 6.3 1.9 at hwybridge 1.7 mi southeast of Uvalde end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

05'25" 99 05'23" 99 05'10" 99 05'06" 99 04'02" 99 02'39" 99 01'40" 99 00'37" 99 00'24" 99 58'57" 99 58'03" 99 57'47" 99 57'14" 99 56'13" 99 54'59" 99 54'57" 99 53'25" 99 52'10" 99 51'49" 99 50'56" 99 50'16" 99 11'19" 99 10'09" 99 09'15" 99 07'03" 99 05'32" 99 00'38" 99 58'58" 99 57'47" 99 54'19" 99 53'25" 99 50'56" 99 11'18" 99 10'26" 99 09'14" 99 08'47" 99 08'48" 99 08'32" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 165165 29 165 29 165 29 165 29 165 29 165 29 165 29 165 29 165 28 165 28 165 28 165 28 165 28 165 28 165 28 165 28 165 28 165 28 165 28 166 28 166 29 166 29 166 29 166 29 166 29 166 29 166 28 166 28 166 28 166 28 167 28 167 29 167 29 167 29 167 29 167 29 29 165 29 Stream- Table 4.

96 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

41'08"41'06" Carrizo-Wilcox40'57" Carrizo-Wilcox40'06" Carrizo-Wilcox39'44" Carrizo-Wilcox39'18" Carrizo-Wilcox38'46" Carrizo-Wilcox37'46" Carrizo-Wilcox --37'26" -- --36'59" -- --37'06" -- --36'49" -- --36'32" -- --35'10" -- --46'15" --44'34" --42'27" Carrizo-Wilcox41'08" Carrizo-Wilcox 1.046'15" Carrizo-Wilcox 2.7 --45'47" -- -- .3 0.144'35" -- –.1 --41'06" –1.0 .4 Carrizo-Wilcox --38'46" –1.4 1.2 Carrizo-Wilcox -- -- 9.3 37'15" .6 Carrizo-Wilcox –.5 -- 1.3 --37'06" 9.4 -- -- 3.0 --34'37" 9.8 -- -- 1.3 11 34'05" 11.6 --46'14" 12.9 -- -- –1.445'47" -- 15.9 --44'42" 0 ------41'25" 0 Carrizo-Wilcox 2.1 --40'50" 0 Carrizo-Wilcox38'46" 1.5 0 Carrizo-Wilcox 7.037'15" –4.1 2.4 17.2 0 Carrizo-Wilcox37'06" 2.2 0 -- 5.5 -- 19.3 34'37" .8 6.51 -- .8 -- 4.7 20.8 34'05" 4.2 ------23.2 46'14" –7.4 5.9 .5 -- 3.8 -- -- 25.4 3.8 -- 5.2 -- -- 4.6 26.2 –4.0 7.6 -- 2.0 -- 30.4 4.4 9.3 0 4.4 4.0 2.1 6.6 4.5 at hwybridge 1.7 mi southeast of Uvalde –3.6 8.6 13 -- 0 –2.9 -- 2.1 –4.3 –.8 3.1 -- –1.6 at hwybridge 3.2 1.7 mi southeast of Uvalde 5.6 -- –1.2 5.2 2.3 -- 3.1 –2.5 17 4.8 8.2 1.0 20.1 3.9 2.1 23.3 4.0 5.8 3.7 26.4 8.1 9.1 0 –1.6 Ottenhause Ranch 13 2.1 –1.0 –1.8 at hwybridge 3.1 1.7 mi southeast of Uvalde –.8 3.2 6.9 3.1 17 8.2 20.1 4.8 23.3 26.4 0 at hwybridge 1.7 mi southeast of Uvalde end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

06'50" 99 06'48" 99 06'40" 99 05'48" 99 05'32" 99 05'09" 99 04'01" 99 02'39" 99 01'40" 99 00'27" 99 58'58" 99 57'47" 99 57'14" 99 55'38" 99 11'19" 99 09'14" 99 07'54" 99 06'50" 99 11'18" 99 10'09" 99 09'14" 99 06'49" 99 04'02" 99 00'37" 99 58'58" 99 54'19" 99 53'25" 99 11'19" 99 10'08" 99 09'24" 99 07'03" 99 06'35" 99 04'02" 99 00'37" 99 58'58" 99 54'19" 99 53'24" 99 11'19" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 167167 29 167 29 167 29 167 29 167 29 167 29 167 29 167 29 167 29 167 28 167 28 167 28 168 28 168 29 168 29 168 29 169 29 169 29 169 29 169 29 169 29 169 29 169 29 169 28 169 28 170 28 170 29 170 29 170 29 170 29 170 29 170 29 170 29 170 28 170 28 171 28 29 167 29 Stream- Table 4.

Table 4 97 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

44'34"41'25" Carrizo-Wilcox40'50" Carrizo-Wilcox40'16" Carrizo-Wilcox38'46" Carrizo-Wilcox37'16" Carrizo-Wilcox37'06" --36'55" -- --36'32" -- --46'15" -- --44'42" -- --41'25" Carrizo-Wilcox --41'07" Carrizo-Wilcox40'50" Carrizo-Wilcox37'14" Carrizo-Wilcox37'08" --36'55" -- --39'45" Carrizo-Wilcox 0.2 -- --34'05" Carrizo-Wilcox 5.9 -- -- –10.244'35" ------3.344'02" -- 8.0 -- -- 1.041'25" –3.1 1.0 Carrizo-Wilcox41'07" Carrizo-Wilcox 2.9 4.8 41'03" Carrizo-Wilcox 4.0 -- 8.1 41'03" 9.1 Carrizo-Wilcox --46'15" Carrizo-Wilcox -- 10.1 –2.545'47" 13 -- --44'34" –.6 -- –.7 --41'25" –.2 Carrizo-Wilcox 3.1 –.3 --39'44" –.1 Carrizo-Wilcox 6.8 -- -- –4.8 2.6 22.237'16" .9 Carrizo-Wilcox -- 1.0 -- 8.937'06" 17 -- 1.0 --36'49" .5 7.9 -- 5.5 20.1 5.5 34'37" 21 -- 3.4 8.1 34'06" –5.5 22 -- --23'25" 0 -- 1 0 -- .5 1.5 –2.023'25" Trinity -- 3.1 --23'25" –9.0 Trinity -- 200 headgate below ft Dam Kincaid below mi 0.5 at hwybridge 1.7 mi southeast of Uvalde 3.1 3.4 Trinity 1.7 13.7 –1.7 15.2 2.2 3.3 2.6 .3 .5 12 8.9 8.2 1.2 -- .1 -- 5.5 .1 .9 -- 8.8 18.3 .3 4.28 -- -- 12.0 9.3 -- -- measured not –3.99 5.42 9.4 4.6 2.0 -- 1.42 9.5 2.9 Uvalde of 6.0 southeast mi 5.2 Ranch Lee W.E. on 2.1 4.0 6.1 8.1 –2.16 11 0 –.68 2.1 3.1 .1 at Uvalde-Friotown Hwycrossing –.2 2.0 .1 –.3 1.4 17 1.2 0 3.1 20.1 1.9 7.1 1.4 22.1 23.3 .9 26.4 9 estimate 7.1 estimate estimate mouth 5.7 above mi 9 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 26" 99 26" 99 26" 99 of

° ° ° 09'15" 99 07'04" 99 06'35" 99 05'53" 99 04'02" 99 00'37" 99 58'57" 99 58'03" 99 57'14" 99 11'19" 99 09'24" 99 07'03" 99 06'49" 99 06'35" 99 00'36" 99 58'57" 99 58'03" 99 05'31" 99 53'25" 99 09'15" 99 08'57" 99 07'03" 99 06'49" 99 06'46" 99 06'47" 99 11'19" 99 10'09" 99 09'15" 99 07'03" 99 05'32" 99 00'38" 99 58'58" 99 57'47" 99 54'19" 99 53'26" 99 29 29 29 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 171171 29 171 29 171 29 171 29 171 29 171 28 171 28 172 28 172 29 172 29 173 29 173 29 173 29 173 29 173 28 173 28 173 29 174 28 174 29 174 29 174 29 174 29 174 29 175 29 175 29 175 29 175 29 175 29 175 29 175 29 175 28 175 28 175 28 176 28 176 29 176 29 29 171 29 Stream- Table 4.

98 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

23'25"23'25" Trinity23'25" Trinity05'03" Trinity Edwards, 06'02" Edwards06'30" Edwards, Trinity05'54" Edwards05'53" Edwards07'31" Edwards07'30" -- Edwards, Trinity05'54" -- Trinity --05'03" -- Edwards04'48" Edwards, Trinity --05'03" Trinity Edwards, 06'02" Edwards --06'30" -- Edwards --07'31" Edwards --07'30" Edwards05'54" -- Edwards 005'03" -- -- Edwards -- –1.505'03" Edwards, –17.0 Trinity 006'02" Edwards –65.0 3.4 0.206'30" Edwards -- 1.407'31" Edwards -- 1.2 111.0 3.706'32" Edwards –14.0 –43.0 -- 3.4 07'18" 4.8 Trinity -- –80.0 3.7 07'12" 2.3 -- Edwards, Trinity -- 4.6 2.6 007'24" –208.0 .7 Edwards --06'58" 1.9 275.0 -- –8.0 –3.0'05'54" 5.1 -- 173 SH on -- 10 .704'46" Edwards 7.4 -- 2.1 3.905'03" 8.1 3.7 –366.0 Edwards, Trinity --06'01" -- Edwards 252.0 -- 3.7 '06'30" Edwards 3 –48.0 12.6 2.307'17" -- Edwards 0 –14.007'30" .7 –33.0 Edwards -- –49.059'48" 1.9 Edwards –24.0 173 SH on 5.1 57'24" 2.6 -- Edwards 1.4 3.9 7.4 Edwards -- -- –21.0 3.7 8.1 -- 10 0 -- 12.6 3.7 –5.0 2.3 -- –5.0 0 –3.0 -- –48.4 1.9 .7 -- 5.2 5.1 6.5 --173 SH on –5.0 11.2 -- –33.0 -- 8.1 7.4 11.2 10 1.3 –24.0 0 .1 1.4 0 –21.0 3.7 16.4 Creek Verde 1.3 mi West below 0 .5 20.3 –5.0 2.3 1.3 24 –4.0 17.7 1.0 1.9 .7 –17.5 18.9 18.2 700 bridge above ft on SH 173 3.0 –40.5 3.5 8.0 15.9 16.6 1.2 14 11 –.4 7.6 0.4 mi gaging above station at Laguna (08190000) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 26" 99 26" 99 25" 99 00" 99 00" 99 00" 99 30" 99 of

° ° ° ° ° ° ° 29 29 29 31'17" 99 30'11" 99 30'05" 99 34'08" 99 32'17" 99 29 27'00" 99 34'08" 99 32'17" 99 34'41" 99 31'17" 99 30'11" 99 30'05" 99 29 27'00" 99 34'08" 99 32'17" 99 31'17" 99 30'11" 99 30'05" 99 29 35'15" 99 28'55" 99 24'23" 99 24'25" 99 24'16" 99 34'32" 99 32'34" 99 31'30" 99 30'29" 99 30'29" 99 29 27'24" 99 25'41" 99 20'50" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 176176 29 177 29 177 29 177 29 177 29 177 29 177 29 177 29 178 29 178 29 178 29 178 29 178 29 178 29 178 29 178 29 179 29 179 29 179 29 179 29 179 29 179 29 180 29 180 29 180 29 180 29 180 29 181 29 181 29 181 29 181 29 181 29 181 29 181 29 182 29 182 29 29 176 29 Stream- Table 4.

Table 4 99 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

56'46"56'52" Edwards54'05" --53'44" --53'38" Carrizo-Wilcox51'00" Carrizo-Wilcox48'52" Carrizo-Wilcox48'20" Carrizo-Wilcox48'16" Carrizo-Wilcox47'48" Carrizo-Wilcox --59'40" -- --57'24" Edwards --56'46" Edwards -- --56'52" Edwards -- --54'05" -- --53'44" -- --52'54" Carrizo-Wilcox51'00" Carrizo-Wilcox48'52" Carrizo-Wilcox –18.448'23" Carrizo-Wilcox --48'16" Carrizo-Wilcox 6.4 -- --47'49" –5.7 3.2 Carrizo-Wilcox --59'40" –3.3 0 -- -- 6.057'24" –6.0 8.6 Edwards 2.8 --56'46" 8.8 Edwards 4.6 -- 5.3 --56'52" –2.4 7.6 Edwards -- 2.1 -- 21.6 2.054'05" -- 27.6 --53'44" .1 30.4 -- 5.5 -- 12 52'54" 35.7 Carrizo-Wilcox 19.6 –10.550'56" Carrizo-Wilcox –46.0 10.4 37.8 48'52" 37.9 Carrizo-Wilcox –21.248'23" 7.9 Carrizo-Wilcox --48'16" 1.3 Carrizo-Wilcox 3.1 7.6 -- --47'43" –7.1 3.2 Carrizo-Wilcox --'59'40" –2.5 0 –.4 -- -- 6.0 10.857'24" –8.8 43.4 7.5 Edwards 2.8 --56'46" 0.4 mi gaging above 8.8 station at Laguna (08190000) Edwards 5.2 -- 5.3 --56'52" –3.8 7.6 Edwards 2.0 -- 2.1 -- 21.6 -- 27.6 -- .1 30.4 5.5 -- 12 19.6 35.7 –10.8 –44.1 37.8 9.6 37.9 –5.4 7.9 -- 1.3 5.5 -- -- 3.1 –6.9 -- 3.2 –1.5 0 –.4 6.0 –5.3 7.5 8.2 43.4 3.0 0.4 mi gaging above station at Laguna (08190000) -- 5.1 8.8 .2 7.6 2.1 21.6 2.0 .1 27.6 30.6 .1 12 5.5 35.7 19.6 –11.6 –29.1 7.7 37.8 7.9 37.9 0 1.3 3.0 –.4 3.2 0 7.5 43.4 0.4 mi gaging above station at Laguna (08190000) 7.6 8.8 12 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

20'10" 99 16'47" 99 12'19" 99 10'51" 99 07'24" 99 04'03" 99 01'19" 99 00'38" 99 00'35" 99 55'58" 99 25'48" 99 20'50" 99 20'10" 99 16'47" 99 12'19" 99 10'51" 99 06'52" 99 04'03" 99 01'19" 99 00'40" 99 00'35" 99 55'58" 99 25'48" 99 20'50" 99 20'10" 99 16'47" 99 12'19" 99 10'51" 99 06'52" 99 03'55" 99 01'19" 99 00'40" 99 00'35" 99 55'50" 99 25'48" 99 20'50" 99 20'10" 99 16'47" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 182182 29 182 29 182 29 182 29 182 29 182 29 182 29 182 29 183 28 183 29 183 29 183 29 183 29 183 29 183 29 183 29 183 29 183 29 183 29 183 29 184 28 184 29 184 29 184 29 184 29 184 29 184 29 184 29 184 29 184 29 184 29 184 29 185 28 185 29 185 29 185 29 29 182 29 Stream- Table 4.

100 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

02'02" Edwards-Trinity Plateau01'48" Edwards-Trinity Plateau01'04" Edwards-Trinity Plateau00'50" Plateau Edwards-Trinity 00'46" -- Edwards-Trinity Plateau ------00'10" Edwards-Trinity Plateau00'43" Edwards-Trinity Plateau01'26" Edwards-Trinity Plateau01'08" Edwards-Trinity Plateau01'04" -- Edwards-Trinity Plateau01'33" –3.31 -- Edwards-Trinity Plateau 10.5 --01'58" –1.9 1.9 Plateau -- Edwards-Trinity 01'48" 0 1.8 -- Edwards-Trinity Plateau01'44" –4.3 2.7 -- Plateau Edwards-Trinity 00'50" 0 Plateau Edwards-Trinity 00'46" 2.0 -- 3.9 1.9 Edwards-Trinity Plateau 3.7 -- Barksdale - 100 hwy below ft -- 9.0 6.4 8.4 -- –10.0 --00'10" .8 Edwards-Trinity Plateau .5 6.7 .5 3.4 7.4 .9 1.4 15.2 15.7 -- 2.3 3.68 2.5 14.1 16.2 17.1 1.9 –.2 18.5 2.5 1.8 20.8 –7.0 2.7 0 2.0 3.9 1.9 hwy below ft 50 - Barksdale 3.7 6.4 12.0 8.4 .5 15.2 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 54'05"53'44" --52'54" Carrizo-Wilcox50'56" Carrizo-Wilcox48'52" Carrizo-Wilcox48'16" Carrizo-Wilcox47'49" Carrizo-Wilcox59'47" --56'51" Edwards --54'24" Edwards --54'06" -- --53'39" ------59'52" -- --59'38" Edwards-Trinity Plateau 5.159'54" –5.6 Edwards-Trinity Plateau59'51" –1.4 Edwards-Trinity Plateau -- 6.0 7.0 Edwards-Trinity Plateau 0 -- 3.0 -- 0 -- 5.1 -- 21.6 2.0 -- 27.6 2.2 -- 30.6 5.3 –47.0 19.6 –4.059'52" 35.7 7.7 7.8 37.9 Edwards-Trinity Plateau 9.4 –48.0 3.3 11.0 0 –6.4 64.0 3.3 -- –15.7 43.2 7.8 59'52" 2.7 gaging station (08190000) 1.559'39" 1.5 Edwards-Trinity 6.2 Plateau 17.2 –.559'54" .3 Edwards-Trinity Plateau59'51" 20.5 Edwards-Trinity Plateau .4 12.3 23.2 Edwards-Trinity Plateau .7 13.8 -- -- 14.1 -- 14.5 -- 1.8 1.9 23.3 –8.0 –19.3 1.5 1.5 1.5 .3 .4 12.3 .7 13.8 14.1 14.5 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 09" 100 of

° 12'19" 99 10'51" 99 06'52" 99 03'55" 99 01'19" 99 00'35" 99 55'58" 99 25'42" 99 19'41" 99 14'38" 99 12'19" 99 10'51" 99 43'14" 100 41'54" 100 40'20" 100 38'38" 100 37'20" 100 34'35" 99 32'53" 99 32'47" 99 32'22" 99 32'04" 100 31'56" 100 30'57" 100 31'12" 100 29 28'40" 100 27'37" 99 43'14" 100 41'54" 100 40'00" 100 38'38" 100 37'19" 100 34'35" 99 32'55" 99 32'47" 99 32'22" 99 32'04" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 185185 29 185 29 185 29 185 29 185 29 186 28 186 29 186 29 186 29 186 29 187 29 29 187187 29 187 29 187 29 29 188 29 188188 29 188 29 188 29 29 185 29 187187 29 187 29 187 29 187 29 29 187187 29 187 29 187 29 187 29 187 29 29 188188 29 188 29 188 29 188 29 29 Stream- Table 4.

Table 4 101 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

00'39" Edwards-Trinity Plateau00'57" Edwards-Trinity Plateau01'08" Edwards-Trinity Plateau01'22" Edwards-Trinity Plateau01'30" -- Edwards-Trinity Plateau01'04" -- Edwards-Trinity Plateau01'30" -- Edwards-Trinity Plateau --01'58" -- Edwards-Trinity Plateau01'44" -- Edwards-Trinity Plateau01'04" -- Edwards-Trinity Plateau00'50" Plateau Edwards-Trinity 00'46" -- Edwards-Trinity Plateau -- –15.0 -- 1.5 -- 0.5 2.5 --00'10" 16.0 Edwards-Trinity Plateau00'57" –8.0 .9 Edwards-Trinity Plateau01'04" 15.7 .2 6.7 Edwards-Trinity Plateau01'19" .3 8.9 Edwards-Trinity Plateau01'30" .9 16.2 -- Edwards-Trinity Plateau01'30" 2.3 17.1 –.5 17.3 -- Edwards-Trinity Plateau 2.5 19.2 17.6 -- 12.2 18.5 -- 1.8 4.1 1.9 20.8 -- –3.6 3.0 --00'25" 2.5 0 2.9 1.8 Plateau Edwards-Trinity 01'08" 3.7 Edwards-Trinity Plateau00'57" Barksdale - 600 hwy below ft Edwards-Trinity Plateau01'58" 6.7 10.0 9.2 –25.0 Edwards-Trinity Plateau01'08" -- Edwards-Trinity Plateau01'04" –5.0 1.0 -- Edwards-Trinity Plateau 35.8 .4 -- –8.7 -- .3 15.5 15.5 -- .2 16.5 3.4 -- 2.5 16.9 17.2 17.4 20.8 –.1 43.0 –15.9 1.5 86.8 6.8 –47.3 5.9 63.1 3.9 11.3 0 1.5 8.3 7.8 14.2 Creek Odley just below nearVance 18.1 29.4 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 59'52" Edwards-Trinity Plateau --59'52"59'39" Edwards-Trinity Plateau59'54" Edwards-Trinity Plateau59'51" Edwards-Trinity Plateau Edwards-Trinity Plateau ------2.459'52"48'00" Edwards-Trinity Plateau 1.948'54" Gulf Coast48'33" Gulf Coast48'20" 23.3 –15.1 Gulf Coast -- –30.3 Gulf Coast –10.7 1.7 10.0 .3 .6 12.1 -- .8 13.8 --59'54" 14.1 --59'48" Edwards-Trinity Plateau --59'54" 14.7 Edwards, Edwards-Trinity Plateau57'24" Edwards -- 10.3 Edwards -- 1.9 –.9 23.3 2.4 –.5 1.9 -- 2.0 1.0 –34.0 -- 1.5 4.0 9.8 11.7 5.1 7.0 12.7 gaging station (08211100) 14.2 3.0 40.2 37.2 8.0 –58.3 4.0 2.5 45.3 49.3 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 09" 100 of

° 31'58" 100 31'48" 100 31'12" 100 31'04" 100 30'52" 100 29 28'40" 100 27'37" 99 43'14" 100 42'02" 100 40'19" 100 38'38" 100 37'19" 100 34'35" 99 32'55" 99 32'47" 99 32'22" 99 32'04" 100 31'48" 100 31'16" 100 31'07" 100 30'52" 100 28'40" 100 27'37" 99 59'12" 97 58'23" 97 57'25" 97 56'29" 97 55'40" 100 53'10" 100 48'37" 100 43'14" 100 40'40" 100 31'16" 100 27'39" 99 25'41" 99 22'32" 99 20'50" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 189 29 189189 29 189 29 189 29 29 190190 27 190 27 190 27 191 27 29 191191 29 191 29 29 188 29 188188 29 188 29 188 29 188 29 188 29 188 29 29 189189 29 189 29 189 29 189 29 29 189189 29 189 29 189 29 189 29 189 29 29 191191 29 191 29 191 29 191 29 191 29 29 Stream- Table 4.

102 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches (08190000) end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

00'21" Edwards -- –12.2 3.0 3.6 ° 56'53"54'24" --54'17" --53'44" --54'59" --53'15" Carrizo-Wilcox52'17" Carrizo-Wilcox14'22" Carrizo-Wilcox11'40" --08'20" --04'05" --03'20" ------02'04" ------41'48" ------33'24" -- --26'24" --14'22" Gulf Coast11'40" --08'20" -- --04'05" -- --02'04" -- -- –30.151'00" 13.9 -- -- –33.441'48" –8.4 -- -- 21.633'24" 4.5 -- 3.0 -- 3.9 --26'24" 2.8 -- -- 3.0 .959'40" Gulf Coast 2.0 -- 51.8 4.8 62.7 Edwards 56.3 59'50" 1.6 66.6 --59'58" 59.1 Edwards 0 -- –19.7 69.6 Edwards -- 61.1 58'13" 7.5 --57'17" 8.8 Edwards 7.4 2.8 --56'46" Edwards 2.4 11.2 --56'56" –1.3 -- Edwards 214.4 -- 221.8 3.7 5.054'25" -- 7.9 -- -- 4.3 205.6 54'05" 33.0 -- 3.0 gaging station (08194000)Cotulla at 15.454'19" 194.4 -- -- 15.053'44" 190.7 -- –.5 -- 186.4 9.3 –7.0 -- 129.1 153.4 1.2 -- 7.4 138.4 4.6 -- 8.8 -- 11.2 .09 221.8 3.1 –1.0 8.0 214.4 2.3 17.1 205.6 gaging station (08194000) 6.5 -- –.9 15.9 15.4 194.4 -- 15.0 –4.1 186.4 -- 9.3 169.3 –3.8 129.1 .4 -- 153.4 1.6 -- 4.5 138.4 1.8 –10.1 –.2 0 gaging station (08194500) 1.0 .2 .6 1,200 above gaging ft station at Laguna 1.8 3.8 0 6.6 0 7.6 0 4.9 8.2 8.9 2.7 1.1 1.0 1.0 12 1.0 16.9 19.6 20.6 21.6 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

17'00" 99 14'37" 99 11'52" 99 10'51" 99 09'05" 99 07'09" 99 04'44" 99 25'33" 99 22'18" 99 18'02" 99 14'06" 99 12'02" 99 09'36" 99 11'57" 98 18'30" 98 20'12" 98 25'33" 99 22'18" 99 18'02" 99 14'06" 99 09'36" 99 05'47" 98 11'57" 98 18'30" 98 20'12" 98 25'48" 99 25'29" 99 23'52" 99 23'06" 100 21'34" 99 20'50" 99 20'10" 99 17'18" 99 14'38" 99 12'19" 99 11'38" 99 10'51" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 191191 29 191 29 191 29 191 29 191 29 192 29 192 28 192 28 192 28 192 28 192 28 192 28 192 28 192 28 193 28 193 28 193 28 193 28 193 28 193 28 193 28 193 28 193 28 194 28 29 194194 29 29 194194 29 194 29 194 29 194 29 194 29 194 29 29 194 29 191 29 194 29 Stream- Table 4.

Table 4 103 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

54'59"53'52" --53'38" Carrizo-Wilcox52'54" Carrizo-Wilcox50'56" Carrizo-Wilcox49'46" Carrizo-Wilcox48'12" Carrizo-Wilcox47'49" Carrizo-Wilcox47'15" -- --46'57" -- --47'34" -- --47'12" ------59'48" -- --58'59" Edwards --57'03" Edwards56'55" Edwards54'24" --54'05" --53'38" -- 4.3 --53'15" –1.6 -- --52'18" –4.7 Carrizo-Wilcox -- 2.0 –3.059'48" Carrizo-Wilcox –.2 -- 1.0 --58'57" –4.2 Edwards -- 3.0 --57'03" –1.1 Edwards 2.0 -- 24.6 5.156'56" 26.6 Edwards 2.354'24" -- 27.6 5.254'05" 22.6 ------30.6 53'38" 35.7 ------53'15" 7.0 38 -- -- –2.252'17" Carrizo-Wilcox --49'48" 0 Carrizo-Wilcox -- –21.2 3.359'47" –.1 Carrizo-Wilcox 3.5 -- –28.1 –1.359'57" Edwards -- –14.955'55" 6.2 3.6 Edwards 43.2 3.354'05" 4.2 46.5 -- 4.554'59" 2.6 ------50 53'15" –4.1 0 0 -- -- 53.6 --52'17" –8.7 56.9 0 6.2 Carrizo-Wilcox -- -- 10.4 9.0 Carrizo-Wilcox -- 3.4 gaging station at Laguna(08190000) 5.0 7.8 8.0 –17.8 2.6 -- –23.3 2.1 28.2 -- –22.9 5.5 13 6.2 31.6 18 4.2 20.6 -- 2.6 22.7 -- -- –1.6 0 0 -- –4.5 0 6.2 -- 10.4 –3.8 8.1 3.4 gaging station at Laguna(08190000) 5.0 6.3 4.7 2.6 3.3 –21.8 2.1 28.2 –13.5 5.5 13 31.6 18 5.1 36.3 20.6 13.8 –6.2 22.7 –2.8 4.3 –2.8 0 3.0 5.1 7.5 1.8 2.0 1.9 gaging station at Laguna(08190000) 26.8 4.0 29.8 18.9 20.9 22.8 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

09'05" 99 08'53" 99 07'24" 99 06'52" 99 03'55" 99 01'56" 99 00'31" 99 55'58" 99 53'40" 99 51'57" 99 50'35" 99 49'27" 99 25'41" 99 21'37" 99 19'17" 99 17'18" 99 14'37" 99 12'19" 99 07'24" 99 07'09" 99 04'42" 99 25'41" 99 21'35" 99 19'17" 99 17'18" 99 14'37" 99 12'19" 99 07'24" 99 07'09" 99 04'44" 99 01'55" 99 25'42" 99 22'33" 99 15'08" 99 12'19" 99 09'05" 99 07'09" 99 04'43" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 194194 29 194 29 194 29 194 29 194 29 194 29 194 28 194 28 194 28 194 28 195 28 195 29 195 29 195 29 195 29 195 29 195 29 195 29 195 29 196 29 196 29 196 29 196 29 196 29 196 29 196 29 196 29 196 29 196 29 197 29 197 29 197 29 197 29 197 29 197 29 197 29 29 194 29 Stream- Table 4.

104 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

50'57"50'03" Carrizo-Wilcox49'46" Carrizo-Wilcox47'48" Carrizo-Wilcox47'28" --47'15" --59'47" --56'56" Edwards --54'24" -- --54'07" -- --53'37" --53'28" --52'17" Carrizo-Wilcox50'57" Carrizo-Wilcox50'07" Carrizo-Wilcox --47'48" Carrizo-Wilcox -- --59'43" -- --56'59" Edwards 0.556'52" Edwards 0 -- --54'16" -- –.5 -- -- 2.954'04" ------53'39" ------.1 6.152'21" Carrizo-Wilcox 31.6 50'07" Carrizo-Wilcox47'46" 0 Carrizo-Wilcox 34.5 –57.0 34.6 59'42" 8.0 -- -- –2.657'08" Edwards -- -- 13.056'54" 2.5 Edwards –37.0 4.254'22" –2.0 -- 7.5 –23.0 --54'12" –6.0 ------0 5.0 40.7 20.053'35" –2.0 -- -- 43.2 3.4 -- –11.0 2.6 10.053'24" 47.4 -- -- 4.752'17" gaging Carrizo-Wilcox 2.1 station at Laguna(08190000) 3.3 13 50'07" 5.2 28.2 Carrizo-Wilcox 5.5 18 47'49" 31.6 Carrizo-Wilcox -- –5.046'56" 20.6 36.3 ------–30.0 32.0 39.6 59'48" 22.7 --57'04" 10.4 Edwards 11.7 2.6 Edwards 4.0 -- –41.0 -- –7.0 -- –31.4 -- –4.0 0 -- -- 44.8 8.9 5.0 10.4 29.4 -- 8.0 2.6 5.2 gaging station at Laguna(08190000) 2.1 13 –16.0 22.7 31.6 18 –34.0 1.0 39.6 -- -- 10.4 20.6 -- -- 2.6 –36.3 8.2 –5.5 –23.1 –10.6 0 5.0 10.4 17.1 –4.7 44.8 3.4 2.6 17.5 8.0 gaging station at Laguna(08190000) 2.1 5.2 13 28.2 5.5 18 31.6 –14.0 20.6 8.6 39.6 –39.9 13.4 22.7 10.4 8.2 2.6 3.5 0 44.8 10.4 53 gaging station at Laguna(08190000) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

03'56" 99 02'43" 99 01'57" 99 57'57" 99 54'59" 99 53'40" 99 25'41" 99 17'19" 99 14'38" 99 12'20" 99 07'24" 99 07'15" 99 04'43" 99 03'55" 99 02'29" 99 55'58" 99 25'38" 99 19'11" 99 17'10" 99 14'36" 99 12'11" 99 07'05" 99 04'50" 99 02'26" 99 55'54" 99 25'41" 99 19'09" 99 17'05" 99 14'39" 99 12'05" 99 07'07" 99 07'15" 99 04'43" 99 02'27" 99 55'58" 99 51'56" 99 25'40" 99 19'15" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 197197 29 197 29 197 28 197 28 198 28 198 29 198 29 198 29 198 29 198 29 198 29 198 29 198 29 198 29 199 28 199 29 199 29 199 29 199 29 199 29 199 29 199 29 199 29 200 28 200 29 200 29 200 29 200 29 200 29 200 29 200 29 200 29 200 29 200 28 201 28 201 29 29 197 29 Stream- Table 4.

Table 4 105 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

56'56"54'24" --54'05" --53'38" --53'15" --52'18" Carrizo-Wilcox48'12" Carrizo-Wilcox47'48" Carrizo-Wilcox46'57" --59'48" --57'02" Edwards56'53" Edwards -- --54'22" ------54'05" ------53'38" -- --53'15" --52'18" Carrizo-Wilcox48'12" Carrizo-Wilcox47'48" Carrizo-Wilcox -- --46'57" ------59'48" -- –40.758'57" –7.1 Edwards –21.957'04" –9.2 Edwards -- -- 5.0 18.759'44" –7.7 Edwards -- 3.4 -- 2.6 17.057'06" Edwards -- 8.0 --56'52" Edwards 2.1 -- 5.2 13 54'23" -- 28.2 5.5 18 54'06" 31.6 -- –17.0 12.159'49" 20.6 39.6 -- –37.258'59" 22.7 Edwards -- .8 -- 10.457'04" Edwards 8.2 -- --56'51" 2.6 Edwards –36.3 -- 3.554'07" –4.3 -- –21.2 -- –10.0 059'48" 44.8 -- -- 5.0 10.4 20.658'59" –5.4 Edwards 3.4 53 2.6 17.0'57'03" 8.0 gaging Edwards station at Laguna(08190000) 56'55" Edwards 2.1 -- 5.2 13 54'24" -- 28.2 5.5 -- -- 18 31.6 ------11.6 20.6 39.6 4.0 -- –5.0 22.7 –.3 –78.0 8.2 –29.5 6.2 -- 4.2 -- 3.5 –32.9 12.3 -- -- 10.4 44.8 -- 0 2.6 53 –31.9 10.4 6.2 –11.9 0 –3.1 gaging station at Laguna --(08190000) –16.1 5.0 10.4 20.1 -- –38.7 6.2 gaging 2.6 station at Laguna(08190000) 4.2 2.1 13 2.6 –25.1 18 0 3.0 18.8 51.0 20.6 6.2 –58.0 7.6 10.4 gaging station at Laguna(08190000) 6.2 2.1 4.2 2.6 –22.0 13 0 20.6 0 6.2 10.4 5.0 gaging station at Laguna(08190000) 2.6 13 18 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

17'18" 99 14'37" 99 12'19" 99 07'24" 99 07'09" 99 04'43" 99 00'30" 99 55'59" 99 51'57" 99 25'41" 99 19'20" 99 17'18" 99 14'41" 99 12'20" 99 07'24" 99 07'09" 99 04'43" 99 00'30" 99 55'58" 99 51'56" 99 25'40" 99 21'39" 99 19'18" 99 25'36" 99 19'17" 99 17'18" 99 14'36" 99 12'15" 99 25'39" 99 21'37" 99 19'13" 99 17'16" 99 12'17" 99 25'41" 99 21'37" 99 19'17" 99 17'18" 99 14'37" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 201201 29 201 29 201 29 201 29 201 29 201 29 201 28 202 28 202 29 202 29 202 29 202 29 202 29 202 29 202 29 202 29 202 29 202 28 203 28 203 29 203 29 204 29 204 29 204 29 204 29 204 29 205 29 205 29 205 29 205 29 205 29 206 29 206 29 206 29 206 29 206 29 29 201 29 Stream- Table 4.

106 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

54'05"53'38" --'53'15" --52'17" Carrizo-Wilcox49'46" Carrizo-Wilcox48'12" Carrizo-Wilcox47'49" Carrizo-Wilcox46'57" --59'48" --58'03" Edwards --57'03" Edwards --56'55" Edwards -- --54'24" ------54'05" --53'38" --53'15" --52'17" Carrizo-Wilcox'49'46" Carrizo-Wilcox -- --48'12" Carrizo-Wilcox -- -- –13.047'49" Carrizo-Wilcox --'46'57" -- 7.0 –10.0 33.059'48" 3.4 -- 11.057'03" –2.0 Edwards -- -- 4.756'55" 3.3 Edwards 2.1 -- -- 28.2 54'25" -- 5.5 -- 5.2 --54'05" ------31.6 36.3 53'38" 20.6 -- 11.053'15" 22.7 39.6 –.2 -- –22.9 17.051'36" Carrizo-Wilcox50'45" 0 Gulf 8.2 Coast 7.849'09" 2.6 Coast Gulf 3.5 -- --48'02" Gulf Coast -- --47'22" –4.3 44.8 0 Coast 2.6 Gulf 047'53" –5.0 53 0 7.8 Coast Gulf 16.3 –4.148'31" Coast Gulf -- 3.4 --48'20" –3.1 10.4 5.0 4.3 Gulf Coast gaging station at Laguna(08190000) -- 4.747'44" 2.6 Gulf 2.1 Coast 3.3 -- --47'36" Coast Gulf 28.2 -- 5.2 5.5 -- 13 31.6 Gulf Coast 18 -- 20.6 36.3 –62.2 -- 9.8 39.6 22.7 –16.6 -- .5 10.4 -- 8.2 -- 2.6 –25.0 3.5 -- 2.5 -- 0 –7.4 44.8 5.0 10.4 19.1 -- –4.7 53 3.4 9.4 gaging 2.6 station at Laguna(08190000) 4.4 2.1 –1.8 13 1.0 –.2 28.2 5.5 1.6 18 2.4 .4 20.6 2.4 0 2.0 –1.8 22.7 1 1.9 1.9 2.6 2.0 gaging station nearMathis (08211000) 2.5 .6 5 1.5 2.3 7 8.9 2.4 10.9 1.8 13.4 15.7 18.1 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

12'19" 99 07'24" 99 07'09" 99 04'44" 99 01'57" 99 00'31" 99 55'58" 99 51'57" 99 25'41" 99 21'29" 99 19'17" 99 17'18" 99 14'37" 99 12'19" 99 07'24" 99 07'09" 99 04'44" 99 01'57" 99 00'31" 99 55'58" 99 51'57" 99 25'41" 99 19'17" 99 17'18" 99 14'37" 99 12'19" 99 07'24" 99 07'09" 99 02'16" 97 02'10" 97 02'21" 97 02'14" 97 00'52" 97 59'43" 97 58'18" 97 56'32" 97 56'25" 97 56'33" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 206206 29 206 29 206 29 206 29 206 29 206 28 207 28 207 29 207 29 207 29 207 29 207 29 207 29 207 29 207 29 207 29 207 29 207 29 207 28 208 28 208 29 208 29 208 29 208 29 208 29 208 29 209 29 209 28 209 28 209 28 209 28 209 28 209 27 209 27 209 27 209 27 27 206 29 Stream- Table 4.

Table 4 107 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

46'19"43'40" Gulf Coast53'44" Gulf Coast53'10" Carrizo-Wilcox52'17" Carrizo-Wilcox48'11" Carrizo-Wilcox47'50" Carrizo-Wilcox46'55" --11'19" -- --11'06" Gulf Coast -- --10'44" Coast Gulf --06'12" Gulf Coast --06'50" Gulf Coast --51'05" Gulf Coast49'08" Gulf Coast47'57" Coast Gulf 47'28" Coast Gulf --48'00" Coast Gulf -- --49'01" Coast Gulf –2.4 -- --48'29" 16.1 Gulf Coast –1.0 --47'55" –4.6 Gulf Coast –11.1 3.7 --46'39" Gulf Coast 5.5 1.9 --45'44" –6.4 Gulf Coast 3.4 --45'03" 8.0 Gulf Coast 19.9 --44'07" Gulf Coast 5.2 23.6 0 --51'36" Gulf Coast 5.5 --50'38" 8.9 Gulf Coast 33.4 11.9 --49'44" gaging station at Laguna(08190000) 16.9 Coast Gulf 3.7 –1.9 --49'29" Coast Gulf –3.4 --48'48" .67 Coast Gulf 8.2 –1.3 --48'37" Gulf Coast 3.5 33.49 .78 6.1 --51'36" Gulf Coast –8.0 5.7 9.25 --50'05" 22.1 Gulf Coast 3.2 1.0 --48'42" 30.3 9.92 Coast Gulf 0 at Miller's Ranch 10.7 2.8 --47'23" Gulf Coast 16.8 2.0 --47'56" 1.7 22.5 Gulf Coast 0 --48'06" Coast Gulf –7.0 2.1 -- 048'35" 2.1 Gulf Coast –2.0 -- 2.8 Gulf Coast 2.1 0 2.6 -- gaging station (08211000) 4.5 1.0 1.0 -- 6.6 –3.0 -- 10.8 8.7 2.2 2.0 -- 1.6 –1.0 13.4 2.0 -- –6.0 -- 2.8 14.4 5.0 2.8 -- 16.6 0 18.2 1.2 -- 2.0 20.2 –6.0 .8 23 0 .8 0 7.7 –8.0 1.2 1.2 3.7 –2.01 gaging station (08211000) 2.5 1.7 2 2.8 –3.0 10.5 2.3 2.6 8.0 11.7 0 2.5 0 –7.0 1.7 .7 4 gaging station (08211000) 1.0 1.9 6.6 9.1 10.8 9.8 gaging station (08211100) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

56'14" 97 54'46" 97 07'18" 99 07'07" 99 04'44" 99 00'31" 99 55'58" 99 51'50" 99 26'13" 98 26'09" 98 25'39" 98 24'53" 98 21'58" 98 02'12" 97 02'25" 97 01'56" 97 00'50" 97 59'11" 97 58'10" 97 56'29" 97 56'07" 97 56'35" 97 56'02" 97 55'00" 97 54'40" 97 02'16" 97 02'09" 97 02'10" 97 02'17" 97 58'24" 97 57'32" 97 02'16" 97 02'08" 97 02'25" 97 01'08" 97 59'36" 97 58'52" 97 58'21" 97 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 209210 27 210 29 210 29 210 29 210 29 210 28 211 28 211 28 211 28 211 28 211 28 212 28 212 28 212 28 212 28 212 28 212 27 212 27 212 27 212 27 212 27 212 27 212 27 213 27 213 28 213 28 213 28 213 28 213 27 214 27 214 28 214 28 214 28 214 28 214 27 214 27 27 209 27 Stream- Table 4.

108 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

00'57" Edwards-Trinity Plateau02'02" Edwards-Trinity Plateau01'08" Edwards-Trinity Plateau01'04" Edwards-Trinity Plateau ------02'02" Edwards-Trinity Plateau 001'30" 20.0 –20.0 Edwards-Trinity Plateau 24.0 5.9 3.9 -- 11.3 7.8 -- 14.2 8.3 18.1 29.4 nearVance –31.1 11.7 5.7 4.4 8.4 500 county 20.8 below ft line ° ° ° ° ° ° 48'34"48'33" Gulf Coast47'43" Gulf Coast46'37" Gulf Coast51'36" Gulf Coast50'04" Gulf Coast49'30" Coast Gulf 47'24" Gulf Coast47'57" Coast Gulf --48'06" Coast Gulf --48'34" Gulf Coast --48'34" Gulf Coast --48'33" Gulf Coast --47'44" Gulf Coast --46'36" Gulf Coast -- Gulf Coast ------2.0 --59'54" 4.0 --59'48" Edwards-Trinity Plateau –6.0 --59'54" 1.8 Edwards, Edwards-Trinity Plateau 0 --57'20" 2.0 Edwards -- 1.92 1.7 --54'25" Edwards 2.0 12.7 54'17" -- -- –1.04 2.3 1.7 14.5 53'45" -- 16.5 3.054'25" 2.3 –2.0 Carrizo-Wilcox 2.653'44" -- 18.2 0 0 2.5 -- –3.0 .759'39" 1.7 4 2.0 Edwards-Trinity Plateau gaging station (08211000) -- 1.0 4.0 1.954'07" 6.6 –3.0 –17.1 --53'44" 9.1 1.8 -- –8.0 --53'13" 2.0 Carrizo-Wilcox 10.8 –6.9 9.8 1.7 5.152'22" -- Carrizo-Wilcox -- 2.3 12.7 '50'06" Carrizo-Wilcox -- gaging station (08211100) 14.5 '49'26" 3.0 Carrizo-Wilcox 16.5 40.247'56" Carrizo-Wilcox -- 18.2 Carrizo-Wilcox -- gaging station at Laguna(08190000) 37.2 -- 0 -- 0 -- –6.0 -- -- 6.5 -- 17.8 0 13.3 4.5 -- 27.0 6.7 45.3 25.2 61.1 51.8 2.8 2.0 1.6 14.1 19.6 2.0 56.3 –4.5 59.1 1.6 6.6 .8 16.6 59.1 1.1 3.4 –21.9 61.1 –11.7 atSpanish Old crossing Trail 5.6 2.8 2.8 2.8 .6 9.4 2.9 12.8 0 19 18.4 21.8 at US 90 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

57'21" 97 56'28" 97 56'29" 97 56'33" 97 02'16" 97 02'08" 97 02'16" 97 01'06" 97 59'35" 97 58'50" 97 58'20" 97 57'21" 97 56'29" 97 56'29" 97 56'32" 97 48'37" 100 43'14" 100 40'40" 100 31'16" 100 27'39" 99 25'41" 99 22'32" 99 20'51" 99 14'37" 99 11'52" 99 10'51" 99 14'37" 99 10'51" 99 43'14" 100 32'53" 99 28'40" 100 12'21" 99 10'51" 99 07'08" 99 04'43" 99 02'05" 99 01'43" 99 00'08" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 214214 27 214 27 215 27 215 28 215 28 215 28 215 28 215 27 215 27 215 27 215 27 215 27 215 27 216 27 29 216216 29 216 29 216 29 216 29 216 29 217 29 217 29 218 29 29 218 29 219219 29 219 29 219 29 219 29 219 29 29 214 27 216216 29 216 29 216 29 29 218 29 219 29 Stream- Table 4.

Table 4 109 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

47'20"47'14" --31'41" --31'10" Trinity30'43" Trinity29'47" Trinity29'34" Edwards, Trinity34'06" Edwards'34'13" Edwards-Trinity Plateau34'35" Plateau, Edwards-Trinity Trinity 32'48" Trinity --33'09" Trinity --32'32" ------Trinity -- --32'10" Trinity32'10" -- Trinity32'02" Trinity --31'50" Trinity30'17" Trinity30'37" Trinity --29'32" Trinity29'34" -- Edwards 2.24 --30'55" 7.9 –10.0 Edwards 4.329'38" -- 5.5 .3 Edwards 8.5 2.9 -- -- 5.2 2.0 –.4 --28'48" 3.0 22.3 –35.1 1.334'06" -- 5.0 -- 1.3 34'18" -- 2.0 Edwards-Trinity Plateau,Trinity 24.7 10 34'35" -- 5.5 29.9 Trinity 0 0 --33'14" -- 3 Trinity -- 2.9932'52" Trinity 8 12.17 -- 12 1 mi south ofUtopia 32'53" Trinity 8.2 mi Vanderpool above -- –.2 4.733'02" –44.7 Trinity just mouth below of OnionCreek .6 32'59" Trinity 39.432'50" 2.5 Trinity -- 2.6 0 4.2 32'32" Trinity 3.3 3.332'08" 8.9 Trinity -- 2.9 --32'00" 9.5 Trinity 12 8.9 -- .332'03" 3.4 Trinity –12.7 14.6 2.1 -- .2 3.0 Trinity –12.3 -- 4.5 –29.8 17.9 -- 18.2 1.8 2.3 1.2 21.6 -- 2.2 -- 24.6 3.6 31.4 -- –3.2 29.1 0 33.2 -- nearSabinal gaging station 35.4 (08198500) –1.4 -- 3.4 .76 -- 8.2 mi Vanderpool above –.09 -- 3.2 –.06 3.0 39 –1.84 4.0 1.2 .5 45.8 .9 .25 1.2 –.75 4.2 1.3 8.2 .5 .9 –.5 9.4 .7 0 10.3 1.2 0 11.6 .4 –.5 12.5 .9 13.2 2.2 14.4 1.1 14.8 15.7 17.9 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 54" 99 26" 99 of

° ° 56'55" 99 54'00" 99 36'03" 99 34'03" 99 30'44" 99 29 28'16" 99 49'49" 99 49'07" 99 47'36" 99 43'39" 99 41'38" 99 39'48" 99 37'55" 99 37'55" 99 37'40" 99 35'49" 99 33'56" 99 30'50" 99 29 28'16" 99 27'05" 99 24'40" 99 22'53" 99'29'17"20'25" 99 49'49" -- 99 48'54" 99 47'36" 99 44'39" 99 43'44" 99 43'07" 99 41'59" 99 41'20" 99 40'47" 99 39'48" 99 39'49" -- 99 39'16" 99 37'47" 99 –1.6 3.4 42.4 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 221 29 219220 28 220 29 220 29 220 29 220 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 221 29 29 222222 29 222 29 222 29 222 29 222 29 222 29 222 29 222 29 222 29 222 29 222 29 222 29 29 219 28 Stream- Table 4.

110 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

31'44"30'17" Trinity30'06" Trinity30'25" Trinity34'06" Trinity34'18" Edwards-Trinity Plateau,Trinity 34'35" Trinity --33'14" Trinity32'52" Trinity32'53" Trinity --33'02" Trinity32'59" -- Trinity --32'50" Trinity32'32" -- Trinity32'08" Trinity --32'00" Trinity --32'10" Trinity 0 --31'44" Trinity --30'17" Trinity --30'06" Trinity 0.5 1.230'25" -- Trinity –.5 --31'33" Trinity -- .530'51" 5.5 Trinity –.5 0 --28'50" 1.0 Trinity --30'43" -- 3.3 19 .2629'47" -- 2.6 8.2 mi Vanderpool above Trinity –.08 --29'34" 24.5 Trinity Edwards, –.05 --30'43" 3.0 25.5 Edwards –.4 4.029'47" 28.8 -- Trinity 1.2 -- .129'34" Edwards, Trinity29'48" -- .05 1.2 Edwards .9 –.15 4.2 --31'01" -- 1.3 8.2 -- .329'04" -- -- .9 –.229'48" .7 -- 9.4 –.131'01" -- 10.3 -- 1.2 -- 029'04" -- -- 11.6 .4 -- –.81 12.5 '24'10" -- .9 .324'18" -- 13.2 Trinity 1.1 2.2 –.3 14.4 Trinity -- .1 14.8 5.5 –.1 1.0 17.9 15.7 2.84 –1.36 3.3 –8.8 -- 19 2.6 -- 7.0 10.5 24.5 -- –.5 2.0 25.5 –.56 –23.0 -- –3.03 28.8 -- -- 0 7 2.0 –3.52 -- .5 2.0 5.5 2 -- 0 Utopia below mi 0.8 2.0 0 17.5 2 4 –51.9 5.5 –30.3 0 justOnion below Creek 5.3 0 –40.1 6.0 justOnion below Creek 4 –49.4 –19.0 –1.7 5.3 7.8 0 42.0 6.0 5.3 1.3 7.8 gaging station (08190000) 11.3 2.5 0 5.3 0 11.3 gaging station (90819000) 1.3 gaging station (08201500) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 38" 99 38" 99 35" 99 35" 99 of

° ° ° ° 36'43" 99 33'56" 99 33'08" 99 31'04" 99 49'49" 99 48'54" 99 47'36" 99 44'39" 99 43'44" 99 43'07" 99 41'59" 99 41'20" 99 40'47" 99 39'48" 99 39'49" 99 39'16" 99 37'55" 99 36'43" 99 33'56" 99 33'08" 99 31'04" 99 36'12" 99 30'21" 99 21'00" 99 30'46" 99 29 28'16" 99 30'45" 99 29 28'16" 99 29 25'57" 99 22'49" 99 29 25'57" 99 22'49" 99 34'23" 99 33'25" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 222222 29 222 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 223 29 224 29 224 29 224 29 225 29 225 29 225 29 226 29 226 29 226 29 227 29 227 29 227 29 228 29 228 29 228 29 229 29 229 29 29 222 29 Stream- Table 4.

Table 4 111 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

23'44"23'04" Edwards, Trinity17'04" Edwards16'57" --24'10" --24'18" Trinity23'44" Trinity23'04" -- Edwards, Trinity'17'04" Edwards16'57" --'24'10" -- --24'18" Trinity23'44" Trinity23'04" -- Edwards, Trinity --17'04" -- Edwards --16'57" -- --17'17" -- –56.0 --17'18" --17'08" -- 1.116'52" -- –108.35 ------16'58" -- --16'49" -- 11.4 -- 3.8 16'53" -- -- –23.0 18.017'15" –21.0 -- –3.017'48" 4.9 -- 34.017'33" 3.2 1.1 –134.2 -- -- 1.317'40" -- 3.4 -- 2.516'47" 11.4 -- -- 16.3 47'17" 3.8 -- –34.0 -- 0 –9.0'47'00" 19.5 –9.0 Edwards-Trinity Plateau -- –22.046'37" 1.3 Plateau Edwards-Trinity 4.9 18.0 -- 3.246'33" 1.1 Plateau –139.2 gaging station (08201500) Edwards-Trinity -- 1.3'46'14" 3.4 Edwards-Trinity Plateau -- 2.546'10" 11.4 Plateau Edwards-Trinity -- -- 16.3 45'59" -- 3.8 Edwards-Trinity Plateau -- –24.0 19.5 0 --46'50" Edwards-Trinity Plateau -- –7.046'20" 1.3 -- 4.9 Edwards-Trinity Plateau -- –35.046'46" 3.2 -- Edwards-Trinity Plateau gaging station -- (08201500) –65.0 -- Edwards-Trinity Plateau 3.4 -- 45.0 2.1 -- –15.0 16.3 -- .5 19.5 0 -- 1.9 –30.0 19.7 -- .7 –.1 21.8 0 gaging station (08202500) 0 1.3 22.3 0 .8 1.67 estimate 24.2 1.5 .5 1.2 0 .25 24.9 .6 4.6 estimate .3 26.2 0 .38 3.2 1.5 .55 .8 estimate 27 1.54 0 3.0 estimate .8 –2.15 10.0 28.2 1.5 32.8 .8 7.0 .5 –5.09 3.3 at PradeRanch 2.1 36 1.4 0 39 1.7 2.2 49 3 4.5 estimate 7.8 2.9 estimate estimate 9.9 11.6 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

31'42" 99 30'57" 99 26'21" 99 24'03" 99 34'23" 99 33'25" 99 31'42" 99 30'57" 99 26'21" 99 24'03" 99 34'23" 99 33'25" 99 31'42" 99 30'57" 99 26'21" 99 24'03" 99 22'12" 99 21'54" 99 21'58" 99 21'51" 99 21'41" 99 21'24" 99 21'12" 99 21'14" 99 20'19" 99 19'55" 99 19'32" 99 15'10" 99 54'53" 99 54'51" 99 54'36" 99 54'13" 99 53'58" 99 53'25" 99 52'24" 99 50'09" 99 48'41" 99 47'32" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 229229 29 229 29 230 29 230 29 230 29 230 29 230 29 230 29 231 29 231 29 231 29 231 29 231 29 231 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 232 29 233 29 233 29 233 29 233 29 233 29 233 29 233 29 233 29 233 29 233 29 29 229 29 Stream- Table 4.

112 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

45'47"44'58" Edwards-Trinity Plateau44'49" Edwards-Trinity Plateau44'44" Plateau Edwards-Trinity 45'14" Edwards-Trinity Plateau44'37" -- Edwards-Trinity Plateau44'25" -- Edwards-Trinity Plateau --43'56" Edwards-Trinity Plateau42'22" -- Edwards-Trinity Plateau44'33" -- Edwards, Edwards-Trinity Plateau44'45" -- Edwards-Trinity Plateau --44'53" Plateau -- Edwards-Trinity 45'05" Plateau -- Edwards-Trinity 45'26" Edwards-Trinity Plateau45'30" Plateau -- Edwards-Trinity -- 046'15" Edwards-Trinity Plateau -- 046'51" Edwards-Trinity Plateau 4.56'46'16" -- Edwards-Trinity Plateau 1.6 -- 6.04'46'48" Edwards-Trinity Plateau 1.7845'45" .1 -- Plateau Edwards-Trinity .9 –1.48 –.1545'06" 2.6 -- Edwards-Trinity Plateau 14.5 2.2644'57" 2.6 Plateau -- Edwards-Trinity 17 3.8 044'50" 16.1 4.2 -- Edwards-Trinity Plateau 17.1 44'49" 3.0 -- Plateau Edwards-Trinity 19.7 –.0345'13" -- Edwards-Trinity Plateau 0 35.7 22.3 6.2 --44'37" Edwards-Trinity Plateau 1.95 at Ranch 26.5 Rd 1120 44'25" -- Edwards-Trinity Plateau .5 --44'07" .25 Edwards-Trinity Plateau –.79 29.5 .342'04" .6 -- Edwards-Trinity Plateau45'05" -- .39 Edwards, Edwards-Trinity Plateau 0 .8 –.4246'51" .8 -- Edwards-Trinity Plateau -- –1.5546'17" -- Edwards-Trinity Plateau 1.5 .5 –2.11 .8 45'59" at hydraulic 3.3 ram onPrade Ranch -- Edwards-Trinity Plateau 2.1 0 1.4 45'36" 2.2 Edwards-Trinity Plateau 1.7 044'58" -- Edwards-Trinity Plateau 3 044'50" -- 4.5 Edwards-Trinity Plateau 2.9 7.8 044'49" Plateau -- Edwards-Trinity 1.86 9.9 1.546'50" -- Edwards, Edwards-Trinity Plateau 4.54 .1 -- Edwards-Trinity Plateau -- 11.6 1.16 .1 -- .9 14.5 -- 1.84 2.6 .12 16 3.56 2.6 –2.23 17 16.1 4.2 -- 3.8 17.1 3.0 6.2 19.7 .93 –3.95 22.3 35.7 –4.52 26.5 3.3 29.5 2.1 0 1.7 27.6 0 1.59 4.5 9.21 7.8 2.9 22.4 9.9 1.6 .9River Fork Frio 2.2 West mi below –5.61 .1 11.6 17.1 14.5 8.3 16.1 17 7.8Creek 500 Kent above ft end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

45'42" 99 44'27" 99 43'50" 99 43'46" 99 41'38" 99 39'53" 99 36'49" 99 35'06" 99 31'48" 99 57'31" 99 57'12" 99 56'59" 99 56'43" 99 55'55" 99 55'12" 99 53'43" 99 50'08" 99 48'33" 99 47'34" 99 45'37" 99 44'39" 99 44'27" 99 43'51" 99 43'50" 99 41'38" 99 39'53" 99 36'50" 99 35'11" 99 31'15" 99 56'33" 99 50'08" 99 48'34" 99 47'11" 99 45'20" 99 44'26" 99 43'51" 99 43'50" 99 50'08" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 233233 29 233 29 233 29 233 29 233 29 233 29 233 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 234 29 235 29 235 29 235 29 235 29 235 29 235 29 235 29 235 29 236 29 29 233 29 Stream- Table 4.

Table 4 113 of upstream end of end upstream of Descriptive location selected subreaches (08190500) end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

14'16" Edwards09'54" Edwards06'14" Edwards24'46" Edwards-Trinity23'49" Plateau Plateau Edwards-Trinity 24'39" Plateau Edwards-Trinity 23'52" Plateau Edwards-Trinity 23'52" -- Edwards-Trinity Plateau24'10" -- -- Edwards-Trinity Plateau25'04" -- Edwards-Trinity Plateau25'15" -- -- Edwards-Trinity Plateau22'26" -- -- Edwards-Trinity Plateau20'56" -- Edwards-Trinity Plateau18'10" -- Edwards-Trinity Plateau15'07" -- Edwards-Trinity Plateau16'48" -- Edwards-Trinity Plateau16'40" -- Edwards, Edwards-Trinity Plateau24'46" 0 -- Edwards-Trinity Plateau23'49" -- 6.0 0 -- Plateau Edwards-Trinity 24'39" -- .5 8.0 Plateau Edwards-Trinity 24'07" –21.1 9.2 4.8 3.73 Edwards-Trinity Plateau23'52" –6.21 3.0 -- Edwards-Trinity Plateau24'10" 23.6 2.7 4.2 0 -- Edwards-Trinity Plateau25'04" .2 2.7 0 0 0 -- Edwards-Trinity Plateau25'15" 0 4.8 -- Edwards-Trinity Plateau22'26" 13.4 7.8 9.2 1.1 0 10.5 -- Edwards-Trinity Plateau20'56" 10.7 0.25 mi above Brackettville at BlackwaterHole gaging station 2.2 0 -- Edwards-Trinity Plateau18'10" –2.97 7.6 estimate 0 -- Edwards-Trinity Plateau16'26" 13.4 5.0 0 -- Edwards-Trinity Plateau15'03" 14.5 6.1 3.3 0 -- Edwards-Trinity Plateau16'33" 16.7 1.6 -- Edwards-Trinity Plateau16'40" 24.3 4.9 0 -- Edwards, Edwards-Trinity Plateau14'16" 32.6 29.3 2.5 0 -- Edwards -- 46.1 0 -- 38.7 4.8 -- .54 –2.35 43.6 3.0 2.7 0 2.6 .3 0 0 0 4.8 1.1 0 7.8 10.8 10.5 at BlackwaterHole 2.2 0 -- 7.6 0 –2.41 13.4 5.0 0 –2.73 14.5 3.3 16.7 2.6 4.9 0 24.3 1.5 1.6 29.3 37.5 32.6 4.5 40.1 46.1 –286.0 41.6 38.5 0 gaging station (08190500) ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 44'57"45'13" Edwards-Trinity Plateau42'43" Plateau Edwards-Trinity Edwards, Edwards-Trinity Plateau ------.7 14.1 2.4 3.8 3.6 16.0 35.7 16.1 19.7 26'26" Trinity -- 1.71 2.3 0 470 FM end upstream ° ° ° °

subreach Longitude of 30" 100 30" 100 of

° ° 44'27" 99 41'38" 99 32'00" 99 28'51" 100 26'27" 100 25'39" 100 53'10" 100 49'37" 100 47'35" 100 45'26" 100 45'23" 100 43'48" 100 43'19" 100 41'26" 100 36'48" 100 33'49" 100 34'48" 100 32'22" 100 30'38" 100 29 53'10" 100 49'37" 100 47'35" 100 45'31" 100 45'23" 100 43'48" 100 43'19" 100 41'26" 100 36'48" 100 33'49" 100 34'48" 100 32'45" 100 31'12" 100 30'56" 100 29 28'51" 100 41'59" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 236236 29 237 29 29 236 29 237 29 237238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 238 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 239 29 240 29 241 29 29 Stream- Table 4.

114 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

25'40"25'19" Trinity24'51" Trinity25'02" Trinity24'03" Trinity23'57" Trinity24'16" Trinity24'04" Trinity23'29" Edwards, Trinity23'11" Edwards --21'20" -- --18'57" -- --17'57" -- --17'52" Edwards --17'39" -- Edwards17'34" -- Edwards17'03" -- --16'53" -- --16'53" --18'19" -- 4.6516'49" Trinity -- .521'24" Trinity -- -- 2.5 1.254'55" Carrizo-Wilcox -- -- .8951'58" -- -- 2.0 2.3 –1.048'23" 2.1 -- –3.0 2.3 45'03" 2.1 -- –2.341'40" 2.1 2.1 -- -- 3.5 2.6 –1.934'36" 5.5 -- -- 2.030'55" 7.6 ------16.4 26'13" 9.7 Carrizo-Wilcox 1.2 -- –11.8 11.8 --20'43" Carrizo-Wilcox –11.72 14.4 –1.452'04" Carrizo-Wilcox48'40" 2.1 –.05 18.5 –.38 -- 2.845'03" –.05 -- Queen City .134'28" -- 1.3 Queen City .6 19.7 30'45" -- 21.8 Queen City .2 Queen City26'33" 0 -- Queen City 25.9 --47'09" 24.6 0 26 Carrizo-Wilcox Queen City -- 26.6 -- –.03 Queen City .2 1.6 1.4 –.19 4.76 4.6 3.3 1.18 3.2 2.3 3.0 –.04 2.1 26.8 Queen City 4.1 1.74 28.2 .13 Queen City 1.17 -- 3.3 4.2 32.8 36 4.7 Queen City 8.9 2.4 .02 4.2 –1.18 52.1 Queen City 7.2 2.73 -- 48 6.4 4.0 at SH 155 22 .76 43.8 39.6 -- 5.6 1.19 32.4 4.5 26 5.6 10.2 13.1 4.2 3.5 FM 450 7.5 4.2 13.6 3.4 48 4.0 43.8 5.6 39.6 .2 0.2 mi bridge above on FM 555 26 .3 13.1 8.9 13.6 22 188.4 gaging station (07311700) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 16" 99 of

° 40'34" 99 39'42" 99 38'21" 99 36'51" 99 35'42" 99 34'57" 99 33'16" 99 31'53" 99 30'35" 99 29 28'58" 99 28'34" 99 28'06" 99 28'05" 99 27'50" 99 27'41" 99 26'21" 99 23'40" 99 21'13" 99 41'07" 99 40'12" 99 36'56" 94 46'04" 94 44'20" 94 42'13" 94 40'22" 94 38'19" 94 37'24" 94 37'36" 94 40'39" 94 42'45" 94 44'27" 94 42'27" 94 40'22" 94 37'21" 94 37'41" 94 40'17" 94 49'14" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 241241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 241 29 242 29 242 29 243 29 244 32 244 32 244 32 244 32 244 32 244 32 244 32 244 32 244 32 245 32 245 32 245 32 245 32 245 32 245 32 246 32 33 241 29 Stream- Table 4.

Table 4 115 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

45'50" --44'34" --44'24" --43'26" --42'36" --42'03" --41'24" --40'48" --40'22" --40'26" --40'26" --40'15" Dockum --39'46" Dockum --38'31" Dockum --37'33" -- --36'57" -- --36'39" -- --36'36" -- --36'03" -- --35'49" -- .43 -- –.0635'52" -- -- –.0136'18" -- 3.1 --36'32" -- .9 --34'51" 1.7 -- --33'14" -- 40.2 .3 –.04 --31'40" -- 37.1 36.2 –.23 --30'00" -- Dam 1 mi Lake below Tanglewood 1.4 -- 1.329'02" -- .04 –.86 -- 1.428'22" -- –.21 --27'25" -- 1.4 34.5 33.1 0 -- 1.425'58" -- 31.8 -- -- .46 .1 30.4 -- .65 29 –.76 -- .5 .8 27.6 -- .05 1.5 –.4 2.0 -- 0 27.5 -- 1.2 27 26.2 -- .05 .9 24.7 -- .35 –.39 22.7 -- .3 .1 –.01 -- 1.2 21.5 0 -- .5 20.6 .32 .3 20.3 1.04 20.2 1.9 –.91 19 .6 1.7 18.5 .39 2.0 .47 18.2 .06 1.8 16.3 15.7 .11 1.7 14 .52 1.6 –.17 12 2.0 10.2 .16 1.1 2.3 8.5 1.5 6.9 4.9 3.8 1.5 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 43'51"40'32" --45'45" --31'12" ------–0.5 1.4 –1.3 7.7 –1.2 7.7 9.0 174.8 9.6 167.1 159.4 150.4 48'01"46'00" --39'56" ------.04 –.09 –.24 3.8 15.4 11.5 41 37.2 21.8 gaging station (07311800) end upstream ° ° ° ° ° ° °

subreach Longitude of of

48'12" 99 49'22" 99 47'16" 99 46'06" 99 02'17" 100 03'09" 100 03'29" 100 02'52" 100 02'07" 100 01'23" 100 00'28" 100 59'29" 100 58'31" 100 58'24" 100 58'00" 100 57'33" 100 56'52" 100 56'09" 100 55'48" 100 55'18" 100 55'24" 100 55'23" 100 54'43" 100 54'21" 100 54'14" 100 53'12" 100 52'44" 100 52'14" 100 51'15" 100 51'33" 100 51'47" 100 51'54" 100 51'51" 100 51'37" 100 50'48" 100 38'39" 99 38'58" 99 38'44" 99 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 246246 33 246 33 247 33 35 248248 33 33 246 33 247247 35 247 35 247 35 247 35 247 35 247 35 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 247 34 248 34 33 Stream- Table 4.

116 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor ------–4.9-- 5.1 –16.9 5.1 –10.4 7.3 5.1 7.3 –20.1 7.3 2.1 7.3 outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau of

05'56" Ogallala04'22" Ogallala02'45" Ogallala01'44" Ogallala00'43" Ogallala58'58" Ogallala57'32" Ogallala05'56" Ogallala58'58" Ogallala57'32" -- Ogallala56'42" -- Ogallala54'39" -- Ogallala49'55" -- Edwards-Trinity Plateau49'12" -- Cenozoic PecosAlluvium, --49'55" -- Edwards-Trinity Plateau49'12" -- -- Cenozoic PecosAlluvium, --49'55" -- Edwards-Trinity Plateau49'12" 0 -- -- Cenozoic PecosAlluvium, –.2 --49'55" –.36 Edwards-Trinity Plateau50'02" 2.0 –.2 1.8 -- Plateau Edwards-Trinity 50'02" –.03 1.2 Plateau Edwards-Trinity 49'12" –.83 1.6 Cenozoic PecosAlluvium, –2.91 2.6 0 --49'04" 2 –14.3 –.62 1.7 3.8 -- Cenozoic48'46" PecosAlluvium 7.0 –.48 -- Cenozoic48'46" PecosAlluvium 5 600 dam below at ft Lake Buffalo –.54 9.2 6.6 4.5 Cenozoic38'09" PecosAlluvium –.04 –9.7 1.7 9.2 Cenozoic37'44" Pecos Alluvium 10.9 -- –.92 1.7 Cenozoic38'09" PecosAlluvium -- 3.2 11.8 0 Cenozoic Pecos00'25"Alluvium 4.5 -- –3.2 2.1 9.2 Edwards-Trinity Plateau58'48" -- 10.9 Edwards-Trinity Plateau58'48" 600 dam below at ft Lake Buffalo -- 12.6 11.8 4.5 Edwards-Trinity Plateau55'22" –4.7 -- 15.8 Edwards-Trinity Plateau 3.0 -- 6.3 11.8 2.2 -- -- .1 -- 0 2.2 11.8 .1 0 –13.5 9.6 2.5 9.5 3.8 .1 –31.2 2.0 .4 85.0 5.2 1.5 2.5 24.0 2.7 0 31.0 20.0 2.6 –2.0 –1.5 5.0 0 10 mi above US 290 2.2 0 5.0 20 at gagingstation (08424500) 25 at Rubbard Ford 20 at Rough Canyon Dam ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 35'04"56'34" ------Queen City .15 –0.51 .8 10.3 10.3 .8 FM 1403 end upstream ° °

subreach Longitude of of

41'03" 99 41'50" 94 55'27" 102 56'07" 102 56'42" 102 57'19" 102 57'33" 102 58'01" 101 58'19" 101 55'27" 102 58'01" 101 58'19" 101 57'48" 101 57'35" 101 48'05" 103 51'45" 103 48'05" 103 51'45" 103 48'05" 103 51'45" 103 48'05" 103 49'53" 103 50'01" 103 51'45" 103 53'28" 103 55'30" 103 55'37" 103 08'25" 103 09'32" 103 08'25" 103 41'56" 101 34'12" 100 34'01" 100 39'00" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 249250 32 34 248 33 250250 34 250 34 250 34 250 34 250 34 251 34 251 34 251 34 251 34 251 34 252 34 252 30 30 253 30 254 30 255255 30 255 30 30 255255 30 256 30 257 31 258 31 259 31 259 29 259 29 260 29 29 253 30 254 30 255 30 255 30 Stream- Table 4.

Table 4 117 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

55'22" Edwards-Trinity Plateau02'06" Edwards-Trinity Plateau04'12" Plateau Edwards-Trinity 04'22" Edwards-Trinity Plateau07'08" -- Plateau Edwards-Trinity 09'57" -- Edwards-Trinity Plateau10'22" -- Edwards-Trinity Plateau10'15" -- Edwards-Trinity Plateau08'45" -- Edwards-Trinity Plateau07'44" -- Edwards-Trinity Plateau06'36" -- Edwards-Trinity Plateau05'49" -- Edwards-Trinity Plateau05'09" -- Edwards-Trinity Plateau59'34" -- Edwards-Trinity Plateau59'31" 52.0 -- Edwards-Trinity Plateau59'24" 2.0 -- Edwards-Trinity Plateau56'27" –1.6 1.8 -- Edwards-Trinity Plateau01'55" –5.8 -- Edwards-Trinity Plateau59'34" 1.0 0 -- Edwards-Trinity Plateau59'34" .2 42.2 25 4.0 -- Plateau Edwards-Trinity 59'38" 35.9 26.8 -- Edwards-Trinity Plateau00'21" 40.9 9.5 -- Plateau Edwards-Trinity 01'04" .1 0 3.0 5.5 -- Edwards-Trinity Plateau00'14" .2 10.0 3.0 -- Edwards-Trinity Plateau59'13" 16.0 Lake Beaver just below 4.2 13.7 -- Plateau Edwards-Trinity 59'52" 1.5 17.0 13.8 2.8 -- Edwards-Trinity Plateau00'25" 43.8 19.3 5.9 -- Edwards-Trinity Plateau00'54" 58.0 1.0 22.3 -- Edwards-Trinity Plateau00'07" 23.8 2.0 3.0 -- 144.7 Edwards-Trinity Plateau56'31" 26.6 9.4 -- –19.0 Edwards-Trinity Plateau55'22" 32.5 10.4 -- Edwards-Trinity Plateau55'44" 39.0 7.0 33.5 -- Plateau Edwards-Trinity 57'21" 11.5 9.7 36.5 -- Edwards-Trinity Plateau58'58" 45.9 0 3.0 -- Plateau Edwards-Trinity 58'58" 56.3 14.58 -- Plateau Edwards-Trinity 59'09" .1 63.3 3.0 -- Edwards-Trinity Plateau58'55" 35.9 1.8 73 1.3 -- –14.0 Edwards-Trinity Plateau00'18" -- Edwards-Trinity Plateau 0 .6 0 2.75 -- –9.0 1.55 1.4 -- .1 20.0 just Dolans above Creek -- 3.8 3.2 1.1 5.0 1.6 -- –12.0 6.55 2.6 37.0 3.4 29.31 3.9 8.1 9.2 10.8 9.91 1.6 –3.1 1.3 13.4 16.8 7.99 2.6 20.7 1.0 2.6 –2.0 0 1.5 14.0 1.3 1.2 43.8 2.6 3.9 0.75 Smithmiabove Ranch house 2.2 6.5 1.8 8 9.2 11.8 14 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of 12" 101 07" 101 of

° ° 39'00" 100 29 10'44" 101 10'42" 101 08'22" 101 03'43" 101 03'45" 101 00'13" 101 57'54" 101 56'59" 101 57'11" 101 56'22" 101 55'45" 101 52'58" 100 46'44" 100 39'25" 100 37'10" 100 29 53'11" 100 53'04" 100 52'02" 100 50'38" 101 50'03" 101 48'11" 101 47'07" 100 46'19" 100 44'58" 101 42'27" 101 40'11" 101 40'01" 100 39'09" 100 38'01" 100 36'33" 100 35'14" 100 33'58" 100 33'01" 100 30'46" 100 28'58" 101 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 260 29 260261 29 261 30 261 30 261 30 261 30 261 30 261 30 261 29 261 29 261 29 261 29 261 29 261 29 261 29 261 29 261 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 262 29 263 29 263 29 263 29 263 29 263 29 263 29 263 29 263 29 29 Stream- Table 4.

118 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor -- –.3 5.2 11.2 200 South below Fork ft outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau of

01'58" Edwards-Trinity Plateau47'02" Plateau Edwards-Trinity 45'57" Edwards-Trinity Plateau45'32" Edwards-Trinity Plateau44'09" -- Edwards-Trinity Plateau41'49" -- Edwards-Trinity Plateau39'03" -- Edwards-Trinity Plateau02'38" -- --02'24" -- --01'48" -- --01'33" -- --00'57" --00'39" --00'39" --59'42" –3.0 --58'04" 2.1 --56'24" –1.4 0.7 --54'50" –2.7 2.3 --52'37" Igneous –.9 4.2 --50'31" Igneous 15.8 1.3 3.0 --48'03" Igneous –2.4 11.7 --47'38" 3.0 Igneous 14 Edwards-Trinity Plateau47'02" 4.0 Igneous Canyon Rose Wild of end upper 18.2 Edwards-Trinity Plateau45'57" .5 Igneous 21.2 Plateau Edwards-Trinity 46'19" Igneous 24.2 Edwards-Trinity Plateau45'32" Igneous 28.2 -- Edwards-Trinity Plateau44'06" Igneous –.1 -- Edwards-Trinity Plateau34'58" Igneous .2 -- Edwards-Trinity Plateau28'19" -- –.2 -- .3 Edwards-Trinity Plateau45'50" -- .5 -- Edwards-Trinity Plateau45'32" -- –.5 .7 -- .3 Edwards-Trinity Plateau45'32" -- –12.3 .1 -- Edwards-Trinity Plateau44'09" .7 .5 –12 -- .5 Edwards-Trinity Plateau41'52" 5.1Ln 12.3mi old above Davis Fort –11.3 -- Edwards-Trinity Plateau39'03" –.5 .1 –11 -- 1.8 Edwards-Trinity Plateau52'22" –.4 –10.3 1.9 -- .6 Cenozoic PecosAlluvium, 3.5 2.3 -- –9.8 –1.0 1.0 2.4 –9.7 -- 13.2 1.5 –7.9 -- 3.8 2.3 –4.2 –6 2.5 4.2 20.6 .3 –3.7 3.5 –.4 –60.9 10.2 3.0 3.0 11.7 –4.2 3.0 7.0 –1.3 14 –8.6 3.0 9.0 14.7 –4.0 1.2 18.2 3.0 –2.8 Rose Canyon 0.8 Wild mi below 21.2 2.4 4.2 28.2 7.2 –.8 .5 37.2 1.6 3.0 –6.2 15.8 2.9 18.2 4.1 75ft mouthof below Short Canyon 18.2 1.0 21.2 atLimpia Old office post 24.1 28.2 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of 12" 101 of

° 29 42'29" 103 43'00" 103 45'04" 103 46'51" 103 46'23" 103 45'17" 103 37'49" 104 37'58" 104 38'11" 104 38'08" 104 37'49" 104 37'30" 104 37'25" 104 36'46" 103 36'54" 103 36'23" 103 36'08" 103 36'42" 103 38'34" 103 39'04" 103 40'23" 103 42'29" 103 43'00" 103 42'41" 103 45'04" 103 46'52" 103 44'22" 103 45'37" 103 43'20" 103 45'04" 103 45'04" 103 46'51" 103 46'29" 103 45'17" 103 48'35" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 263 29 264264 30 264 30 264 30 264 30 264 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 265 30 266 30 266 30 266 30 266 30 266 30 267 30 267 30 268 30 268 30 268 30 268 30 269 30 30 Stream- Table 4.

Table 4 119 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor ---- –24.5 –2.2 2.1-- .9 6 3.9 ---- –18.5 10.3-- 12.5 –.2gage staff mi 3 below –.1 1.1 1.6 7 –.2 5.9 1.8 4 outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau Edwards-Trinity Plateau of

51'28" Cenozoic PecosAlluvium, 50'34" Cenozoic PecosAlluvium, 52'33" Edwards-Trinity Plateau50'42" Plateau Edwards-Trinity 50'42" Plateau Edwards-Trinity 52'33" Edwards-Trinity Plateau51'36" Plateau -- Edwards-Trinity 51'25" -- Plateau Edwards-Trinity 51'25" Plateau -- Edwards-Trinity 51'25" -- Plateau Edwards-Trinity 52'33" -- Edwards-Trinity Plateau53'38" -- Cenozoic PecosAlluvium, --56'24" -- Edwards-Trinity Plateau53'52" -- Edwards-Trinity Plateau51'46" Plateau Edwards-Trinity 51'25" –22.8 Plateau Edwards-Trinity 51'32" .1 -- Cenozoic PecosAlluvium, 7.0 –.1 --51'25" –4.1 -- Cenozoic PecosAlluvium, .150'42" .6 -- 11.3 .3 –.6 Plateau Edwards-Trinity 50'42" 1.8 Plateau Edwards-Trinity 50'38" .6ft 50 South below Fork .8 4.3 –.6 Cenozoic PecosAlluvium, –11.2 .1 11.358'01" 4.2 -- .8 Edwards-Trinity Plateau53'20" -- 3.1 .1ft 60 South below Fork Edwards-Trinity Plateau51'43" 9.5 –.3 Edwards-Trinity Plateau58'01" 8.7 –1.0 Edwards-Trinity Plateau53'20" 8.6 11.3 -- Edwards-Trinity Plateau51'43" 7.8 .2 2.8 -- –.2 Edwards-Trinity Plateau58'01" 2.7ft 50 South below Fork -- Edwards-Trinity Plateau53'20" 1.5 -- Edwards-Trinity Plateau58'01" 15.5 1.5 -- 12.7 Edwards-Trinity Plateau53'20" -- Edwards-Trinity Plateau58'01" 10 –.1 -- Edwards-Trinity Plateau 8.5 .2 -- -- .1 -- –25.7 .2 -- –39.6 –1.7 6.2 4.3 –25.7 2.0 4.2 –7.8 1.6 13.3 –3.8 6.2 –6.1 7.1 2.0 –11.4 at gagingstation (08424500) 1.6 5.1 –19.3 13.3 6.2 –3.9 3.6 7.1 –22.0 at gagingstation (08424500) 6.2 5.1 13.3 2.0 6.2 7.1 13.3 at gagingstation (08424500) 7.1 at gagingstation (08424500) 13.3 at gagingstation (08424500) ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of of

52'15" 103 53'48" 103 48'33" 103 53'25" 103 53'25" 103 48'33" 103 49'38" 103 50'15" 103 50'19" 103 50'57" 103 48'33" 103 48'38" 103 48'45" 103 48'37" 103 49'18" 103 50'29" 103 51'41" 103 52'22" 103 53'25" 103 53'25" 103 53'42" 103 52'06" 103 54'26" 103 55'11" 103 52'06" 103 54'26" 103 55'11" 103 52'06" 103 54'26" 103 52'06" 103 54'26" 103 52'06" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 269 30 270270 30 271 30 271 30 271 30 271 30 271 30 272 30 273 30 30 274274 30 274 30 274 30 30 274274 30 30 275275 30 276 30 276 30 276 30 277 30 277 30 278 30 278 30 279 30 30 269 30 270 30 274 30 274 30 274 30 275 30 Stream- Table 4.

120 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

53'20" Edwards-Trinity Plateau58'01" Edwards-Trinity Plateau53'20" Plateau Edwards-Trinity 58'01" Edwards-Trinity Plateau53'45" Plateau -- Edwards-Trinity 53'20" -- Plateau Edwards-Trinity 53'09" -- Plateau Edwards-Trinity 58'01" -- Edwards-Trinity Plateau56'02" -- Edwards-Trinity Plateau55'08" -- Edwards-Trinity Plateau58'01" -- Edwards-Trinity Plateau57'00" -- Edwards-Trinity Plateau56'06" -- Edwards-Trinity Plateau36'18" -- Cenozoic34'55" PecosAlluvium –4.7 -- –14.2 Cenozoic33'54" PecosAlluvium -- Cenozoic31'51" PecosAlluvium –.1 2.0 -- Cenozoic37'04" PecosAlluvium –5.2 6.2 -- Cenozoic37'04" PecosAlluvium -- .3 Cenozoic36'43" PecosAlluvium 2.0 -- –.3 5.8 7.1 Cenozoic36'18" PecosAlluvium 13.3 -- –16.2 .6 Cenozoic37'04" PecosAlluvium -- .4 –18.1 Cenozoic37'04" PecosAlluvium at gagingstation (08424500) 7.1 .2 -- 13.3 Cenozoic36'57" PecosAlluvium –4.5 2.6 1.8 -- Cenozoic54'32" PecosAlluvium 1.1 -- at gagingstation (08424500) 7.5 –.3 --48'46" –5.7 -- 7.1 Cenozoic44'27" PecosAlluvium .3 13.3 -- –17.2 6.9 –.8 Cenozoic37'30" PecosAlluvium 1.5 10.7 -- 1.0 12.1 Cenozoic27'57" PecosAlluvium at gagingstation (08424500) 1.0 Cenozoic25'40" PecosAlluvium 1.0 –.1 9.6 -- 13.3 Cenozoic24'25" PecosAlluvium –.3 1.1 -- 11.8 Cenozoic24'18" PecosAlluvium -- .4 2.5 –1 at gagingstation 10.8 (08424500) Cenozoic23'16" PecosAlluvium 0 -- 2.8 Cenozoic15'57" PecosAlluvium 0 0 -- 2.5 --16'33" –.4 1.2 mi headgates below -- 1.1 Cenozoic05'56" PecosAlluvium -- 0 -- .4 3.6 Cenozoic03'18" PecosAlluvium –.3 -- .6 1.4 Cenozoic55'37" Pecos Alluvium 0 –.7 -- 1.8 -- 0 12.9 .1 -- at headgates 1.4 1 20.2 .4 Capitan Reef Complex –54.5 21.0 at headgates –127.2 0 13.0 0 29.0 .1 1.2 1.5 22 at headgates -- 1.2 –.8 –7.8 at headgates 43 56 .9 3.5 8.1 85 13.0 22.0 .1 11.9 24.5 Capitan Reef Complex 15.0 86.5 137 –.6 90 0 4.0 90.1 102 no pumping. 3.0 1.2 near Angeles gaging station (08409500) 130 –13.1 134 4.0 13.0 150 117 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of of

54'26" 103 52'06" 103 54'26" 103 52'06" 103 54'24" 103 54'26" 103 54'29" 103 52'06" 103 53'21" 103 53'51" 103 52'06" 103 52'58" 103 53'20" 103 14'19" 102 14'02" 102 13'55" 102 13'01" 102 14'59" 102 14'59" 102 14'48" 102 14'29" 102 14'59" 102 14'59" 102 14'52" 102 54'02" 103 49'53" 103 44'21" 103 40'05" 103 26'06" 103 25'50" 103 25'53" 103 25'53" 103 25'34" 103 25'38" 103 21'52" 103 21'54" 103 23'02" 103 20'17" 102 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 279 30 280280 30 281 30 281 30 281 30 281 30 282 30 282 30 282 30 283 30 283 30 283 30 284 30 284 31 284 31 284 31 285 31 286 31 286 31 286 31 287 31 288 31 288 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 289 31 31 Stream- Table 4.

Table 4 121 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor -- –4.5 11.6 169.5 outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau of

44'20" --39'25" Cenozoic26'16" PecosAlluvium Cenozoic24'57" PecosAlluvium Cenozoic Pecos13'12"Alluvium Cenozoic07'37" PecosAlluvium -- Cenozoic PecosAlluvium, --58'22" -- Edwards-Trinity Plateau52'48" -- Edwards-Trinity Plateau50'02" Edwards-Trinity Plateau46'08" Edwards-Trinity Plateau39'18" -- -- Edwards-Trinity Plateau39'03" -- Edwards-Trinity Plateau40'12" -- Edwards-Trinity Plateau43'19" -- 16.0 Edwards-Trinity Plateau41'24" -- 14.4 Edwards-Trinity Plateau44'38" -- –3.1 Edwards-Trinity Plateau34'19" 20.0 -- Edwards-Trinity Plateau30'21" 23.0 1.3 -- Edwards-Trinity Plateau30'28" 16.2 160 -- Edwards-Trinity Plateau27'03" 180 –2.1 8.9 -- Edwards-Trinity Plateau26'38" 194.6 0 Plateau -- Edwards-Trinity 54'18" 7.0 -- Cenozoic Pecos34'19"Alluvium 6.0 178.4 gaging station nearGirvin (08446500) 5.4 -- Cenozoic30'14" PecosAlluvium 9.7 4.0 10.6 -- Cenozoic27'57" PecosAlluvium 154 -- 2.0 11.7 Cenozoic15'25" PecosAlluvium –3.1 -- Cenozoic 157.906'00" PecosAlluvium 9.4 148.2 17.8 -- Cenozoic52'30" Pecos Alluvium 5.7 137.6 18.19 -- 2.0 --44'27" –8.7 -- 125.9 9.7 --39'18" –7.73 7.4 -- 116.5 Cenozoic35'49" PecosAlluvium 110.8 33.3 10.2 Capitan Reef Complex Cenozoic54'18" 20.0 PecosAlluvium 108.8 17.0 –10.89 Cenozoic Pecos48'25"Alluvium 99.1 4.7 Cenozoic Pecos34'19"Alluvium 91.7 13.0 -- 3.0 –13.6 17.3 81.5 Cenozoic30'14" PecosAlluvium –143.02 4.0 -- Cenozoic29'42" PecosAlluvium -- 61.5 11.5 21.6 –8.0 43.05 Cenozoic27'57" PecosAlluvium 56.8 14.0 -- 43.8 –24.1 Cenozoic PecosAlluvium -- -- 2.52 105.8 9.4 -- 26.5 19.0 –4.2 .35 -- 15 -- 21.8 -- gaging station (08410000) 12.2 43.4 52.8 71.8 –5.8 93.6 3.5 –2.19 8.0 –.39 30.2 13.95 0 150.2 5.6 29.1 0 158.2 2.3 0 .35 14.0 9.4 3.18 14.3 8.2 gaging station 8.8 (08410000) 10.8 14.6 127.4 gaging station (08407500) 43.4 141.4 52.8 at SH 18 61 71.8 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of 27" 103 of

° 16'49" 102 18'51" 102 12'18" 102 06'34" 102 02'04" 102 00'05" 102 58'45" 101 54'15" 101 47'20" 101 39'34" 101 37'05" 101 32'49" 101 31'30" 101 26'49" 101 22'30" 101 18'00" 101 07'50" 101 07'30" 101 00'15" 101 53'20" 101 48'10" 101 53'57" 103 37'57" 103 35'57" 103 26'11" 103 25'01" 103 21'54" 103 18'20" 102 17'09" 102 18'50" 102 16'00" 102 53'57" 103 48'14" 103 37'57" 103 35'57" 103 31 26'11" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 289 31 289289 31 290 31 290 31 290 31 31 290290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 30 290 29 291 29 291 31 291 31 291 31 291 31 291 31 291 31 291 31 291 31 291 31 292 31 292 31 292 31 292 31 292 31 292 31 31 290 30 Stream- Table 4.

122 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor -- –.08 1.0 0 at pointof diversion outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau of

19'30" Cenozoic15'25" PecosAlluvium Cenozoic06'00" PecosAlluvium Cenozoic00'14" Pecos Alluvium Cenozoic52'30" Pecos Alluvium -- --44'27" -- --39'18" Capitan Reef Complex Cenozoic35'49" PecosAlluvium Capitan Reef Complex Cenozoic27'32" PecosAlluvium Cenozoic52'58" PecosAlluvium Cenozoic Pecos34'19"Alluvium -- .99 Cenozoic30'14" PecosAlluvium -- .6 Cenozoic29'42" PecosAlluvium -- 8.5 Cenozoic27'57" PecosAlluvium -- 13.1 –1.19 Cenozoic19'30" PecosAlluvium -- –1.99 Cenozoic06'00" PecosAlluvium -- 105.8 -- 7.2 Cenozoic02'06" Pecos Alluvium -- 114.3 -- 12.2 Cenozoic52'30" Pecos Alluvium -- --44'27" -- 86.4 --39'18" 93.6 Capitan Reef Complex Cenozoic35'49" PecosAlluvium Capitan Reef Complex .31 Cenozoic27'32" PecosAlluvium 5.45 Cenozoic43'19" PecosAlluvium –98.98 .3 8.0 15.0 –3.0 Cenozoic44'13" PecosAlluvium -- –23.5 –15.81 Cenozoic44'45" PecosAlluvium 40.5 -- –34.2 15.2 3.31 Cenozoic46'22" PecosAlluvium 150.2 158.2 -- 15.7 5.9 15.0 9.4 Cenozoic PecosAlluvium, .54 -- –31.0 14.047'24" 8.2 173.2 2.9 -- –6.01 111.7 Cenozoic45'43" Pecos 105.8Alluvium 10.8 -- 8.8 -- 14.6 43.4 Cenozoic46'04" PecosAlluvium 127.4 -- gaging station (08410000) 19.4 52.8 Cenozoic43'55" PecosAlluvium 61 141.4 Cenozoic Pecos44'20"Alluvium -- 71.8 Cenozoic44'38" PecosAlluvium -- 86.4 –3.6 Cenozoic42'07" PecosAlluvium -- Cenozoic Pecos41'52"Alluvium –.3 -- Cenozoic42'07" PecosAlluvium 0 8.0 -- Cenozoic42'21" PecosAlluvium 15.0 -- .23 Cenozoic42'36" PecosAlluvium –.2 -- 12.21 150.2 15.2 Cenozoic PecosAlluvium –.03 -- 1.1 158.2 –.1 -- 14.0 .6 173.2 -- .5 -- 8.8 .26 0 127.4 .01 –.03 1.1 1.7 141.4 .8 50ft property below line and of Pacy Mott tracts .07 .5 –.5 1.0 .58 .7 0 .39 .5 0 .04 .5 .4 –.41 at weir .8 0 .62 50ft headgate below .5 –.09 .7 .5 1.2 county just below road crossing .1 0 .1 .8 0 at pointof diversion .5 .6 50ft headgate below ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of 27" 103 of

° 24'46" 103 25'01" 103 21'54" 103 22'00" 103 18'20" 102 17'09" 102 18'50" 102 16'00" 102 12'20" 102 52'36" 103 37'57" 103 35'57" 103 31 26'11" 103 24'46" 103 21'54" 103 22'48" 103 18'20" 102 17'09" 102 18'50" 102 16'00" 102 12'20" 102 59'39" 103 59'21" 103 59'06" 103 56'41" 103 56'42" 103 58'29" 103 57'51" 103 59'31" 103 59'15" 103 59'08" 103 59'56" 103 00'05" 103 59'56" 103 59'53" 103 59'48" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 292 31 292292 31 292 31 292 31 292 31 292 31 292 31 292 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 293 31 294 31 294 30 294 30 295 30 30 297297 30 298 30 298 30 298 30 299 30 299 30 300 31 300 30 300 30 30 296 30 Stream- Table 4.

Table 4 123 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

45'03" Cenozoic44'09" PecosAlluvium Cenozoic42'07" PecosAlluvium Cenozoic Pecos41'45"Alluvium Cenozoic41'31" PecosAlluvium -- Cenozoic41'13" PecosAlluvium -- Cenozoic42'07" PecosAlluvium -- Cenozoic Pecos41'52"Alluvium -- Cenozoic41'45" PecosAlluvium -- Cenozoic41'34" PecosAlluvium -- Cenozoic41'31" PecosAlluvium -- Cenozoic41'13" PecosAlluvium -- Cenozoic43'12" PecosAlluvium -- Cenozoic Pecos45'25"Alluvium -- –0.96 Cenozoic Pecos46'01"Alluvium -- Cenozoic Pecos41'02"Alluvium -- .06 0.2 Cenozoic Pecos43'01"Alluvium –.18 -- Cenozoic42'57" PecosAlluvium –.02 -- .5 Cenozoic44'49" PecosAlluvium –.01 -- .9 Cenozoic42'03" PecosAlluvium 0 –.23 1.3 -- Cenozoic44'34" PecosAlluvium –.07 -- .7 Cenozoic46'01" PecosAlluvium 0 –.05 1.1 -- 0 Cenozoic42'00" PecosAlluvium –.08 -- .4 .9 Cenozoic43'48" PecosAlluvium 0 -- 300 dam below ft .5 2.2 Cenozoic42'03" PecosAlluvium 0 at US 290road crossing 2.9 -- .8 Cenozoic Pecos43'04"Alluvium –.06 -- 0 Cenozoic43'30" PecosAlluvium –.5 -- .8 Cenozoic44'52" PecosAlluvium .4 –.29 1.1 -- .4 –3.13 Cenozoic46'01" PecosAlluvium .9 at US 290road crossing -- 1.0 10.9 Cenozoic44'56" PecosAlluvium -- .5 1.7 2.3 Cenozoic45'57" PecosAlluvium 1.2 2.9 -- 2.5 –2.0 Cenozoic Pecos42'57"Alluvium 1.1 -- 0 –4.2 Cenozoic42'07" PecosAlluvium -- 0 –8.13 .4 Cenozoic41'06" PecosAlluvium 0 -- .7 Cenozoic44'56" PecosAlluvium –.37 at pointof diversion 1.5 -- .5 –3.91 2.7 Cenozoic43'22" PecosAlluvium dam 1,000 diversion below ft -- at pointof diversion Cenozoic42'32" PecosAlluvium 1.6 2.65 -- .47 0.5 SanSolomon mi below 2 Springs –7.47 3.5 Cenozoic42'10" PecosAlluvium 2.7 -- Cenozoic PecosAlluvium 0 –.85 -- 1.9 –1.0 3.6 2.7 -- 5.35 1.1 -- .34 400 south ft ofBruce Corner –.96 -- .4 at Scherye Corner 0 1.9 –.49 1.6 –.2 2.1 0 –1.61 at headgates 1.1 1.1 –3.19 2.9 1.5 –1.24 San Solomon Springsat outlet 4.0 3.1 3.0 –.34 5.2 –2.5 1.4 1.8 0 3.0 .6 –1.2 4 2.9Canal 500 Giffin below ft 7 1.0 300 SanSolomon below ft Springs 1.3 1.1 8.4 1.8 1.0 4.7 Canal 500 Giffin below ft 6 7.1 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end upstream

subreach Longitude of of

58'56" 103 59'23" 103 00'04" 103 00'02" 103 00'16" 103 00'23" 103 00'04" 103 00'05" 103 00'01" 103 00'12" 103 00'25" 103 00'23" 103 59'40" 103 58'47" 103 57'17" 103 00'20" 103 59'33" 103 59'08" 103 57'14" 103 59'58" 103 59'09" 103 57'33" 103 59'58" 103 59'31" 103 59'57" 103 59'41" 103 59'37" 103 59'02" 103 57'41" 103 59'00" 103 58'16" 103 59'43" 103 00'04" 103 00'21" 103 59'00" 103 59'39" 103 59'49" 103 59'55" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 301 30 302303 30 303 31 303 31 303 31 304 31 304 31 304 31 304 31 304 31 304 31 305 31 306 30 307 30 308 30 308 31 308 30 308 30 309 30 309 30 309 30 310 30 310 30 311 30 311 30 311 30 311 30 311 30 312 30 313 30 313 30 313 30 313 31 314 31 314 30 314 30 314 30 30 Stream- Table 4.

124 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches discharge forperiod mean discharge forperiod discharge forperiod discharge forperiod discharge forperiod discharge forperiod end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor ---- –3.8 –.9 3.4 .6 .1 0.1 release mi below gate .1 0.1 mirelease below gate outcrop intersected by subreach Major aquifer Edwards-Trinity Plateau Edwards-Trinity Plateau of

41'49" Cenozoic41'09" PecosAlluvium Cenozoic44'56" PecosAlluvium Cenozoic43'22" PecosAlluvium Cenozoic42'28" PecosAlluvium -- Cenozoic42'07" PecosAlluvium -- Cenozoic41'13" PecosAlluvium -- Cenozoic40'37" PecosAlluvium -- Cenozoic42'32" PecosAlluvium -- Cenozoic PecosAlluvium, --42'32" -- Cenozoic PecosAlluvium, --42'28" Cenozoic42'36" PecosAlluvium Cenozoic42'54" PecosAlluvium –2.1 Cenozoic42'32" PecosAlluvium .3 Cenozoic42'39" PecosAlluvium 11.2 -- 1.6 Cenozoic42'36" PecosAlluvium -- –.4 Cenozoic42'36" PecosAlluvium 1.4 -- 0 2.9 Cenozoic36'03" PecosAlluvium -- 0 8.1 1.6 --30'25" –4.2 -- -- 9.7 1.4 -- 1.8 .555'48" 1.9 -- Edwards-Trinity .5 Plateau 4.7 Canal 500 Giffin below ft 47'09" 1.0 6.3 --34'48" 7.7 --30'25" 9.6 .2 -- -- –1.3 10.1 30'25" 1.7 -- 1.026'49" .3 .7 -- –.5 --30'25" 1.1 –2.6 -- -- –1.2 .320'06" .7 2.2 1.7 2.9 -- 2.4 2.7 -- .1 -- .4 23.031'15" .2 -- -- .2 0.1 mirelease below gate 14.0 0.2 mirelease below gate -- 30.0 0.2 mirelease below gate 60.0 -- 561.12 -- 16.0 nearDelRio IBWC gaging station (08451800), 18.0 -- 113.0 481.12 –20.0 497.12 at Comal, mean discharge for period 29.0 55.0 Eagle Pass IBWC gaging station (08458000), mean 21.0 -- 40.0 18.0 575.12 604.12 15.0 mean discharge for period 9.0 497.12 35.0 mean discharge for period Eagle 9.0 Pass IBWC gaging station (08458000), –10.0 mean 497.12 18.0 69.0 Eagle Pass IBWC gaging station (08458000), mean 506.12 497.12 mean –25.0 discharge for period 515.12 Eagle Pass IBWC gaging station (08458000), mean 128.0 mean discharge for period 497.12 Eagle Pass IBWC gaging station (08458000), mean ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 52'36"52'37" --39'46" ------60.0 –120.0 25.0 20.75 .25 20.0 584.37 584.12 mean discharge for period mean discharge for period 605.12 mean discharge for period end upstream ° ° °

subreach Longitude of of

00'03" 103 00'21" 103 59'01" 103 59'39" 103 59'51" 103 00'01" 103 00'22" 103 00'15" 103 58'00" 103 58'00" 103 58'19" 103 58'50" 103 59'06" 103 58'00" 103 58'22" 103 58'07" 103 58'08" 103 53'40" 100 42'46" 100 19'41" 100 13'41" 100 51'22" 100 42'46" 100 42'46" 100 36'40" 100 42'45" 100 22'44" 100 48'08" 99 47'57" 99 38'04" 99 42'32" 100 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 325325 27 326 27 28 314 31 322 29 322 29 324 28 324 28 325 28 314315 31 315 30 315 30 315 30 315 31 315 31 316 31 30 317317 30 318 30 318 30 319 30 320 30 321 30 321 28 28 322323 28 28 325 28 325 27 317 30 317 30 Stream- Table 4.

Table 4 125 of upstream end of end upstream of Descriptive location selected subreaches discharge forperiod discharge forperiod end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

30'28" --30'25" --24'43" --20'06" --19'04" --17'06" -- Carrizo-Wilcox06'03" Carrizo-Wilcox ------–25.0 -- 87.039'07" Hueco-Mesilla38'20"Bolson Hueco-Mesilla19'08" 497.12 Bolson Hueco-Mesilla18'32"Bolson –161.0 Eagle Pass IBWC gaging station (08458000), mean Hueco-Mesilla17'06" Bolson –100.0 Hueco-Mesilla16'30"Bolson 11.0 120.0 -- 20.0 Hueco-Mesilla38'20" Bolson 14.0 -- 20.0 Hueco-Mesilla38'09" Bolson –30.0 -- 12.0 497.12 Hueco-Mesilla 8.039'10" Bolson -- 538.12 10.0 Hueco-Mesilla38'52"Bolson Eagle Pass IBWC gaging station (08458000), mean 12.0 -- 552.12 Hueco-Mesilla39'36" Bolson mean discharge for period -- 508.12 Hueco-Mesilla39'21"Bolson 516.12 -- mean discharge for period 526.12 Hueco-Mesilla46'30" Bolson mean discharge for period -- mean discharge for period --36'18" -- mean discharge for period --11'52" -- –2.1 -- -- –1.0 -- –.4 1.24 –.2 1.27 .4 1.0 0 1.9 1.0 1.24 1.24 1.2 .57 at headgate onmain canal 1.2 0 –5.0 -- .9 1 –1.21 -- 1.1 0 -- 2.1 at USElPaso 80 in 1.38 1.2 1.32 2.9 0 1.2 mi Passmore above Rd 1.3 0 .9 1.38 .5 at bridge roadon private 0.9 mi above FM 273 at headgate onmain canal 0 1.3 –20.0 bridge at private 1.4 mi northofLa oldUnion 0 17.3 50.0 43.2 19.0 279.92 at Lajitas, mean discharge for period 297.22 340.42 mean discharge for period mean discharge for period ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 52'37"52'37" --45'03" --39'47" -- --58'47" --55'24" -- --52'40" -- --47'11" -- --39'45" --35'23" --31'15" --31'32" --26'22" --26'01" -- 60.0 -- –50.0 -- –80.0 -- 12.75 .25 20.0 -- 8.0 -- 584.37 584.12 20.0 -- -- mean discharge for period mean discharge for period 597.12 -- 605.12 mean discharge for period -- mean discharge for period -- –110.0 -- 90.0 10.0 –70.0 15.0 12.0 –120.0 10.0 564.12 –25.0 12.0 mean discharge for period 574.12 5.5 586.12 5.0 11.0 40.0 mean discharge for period 596.12 –30.0 mean discharge for period 608.12 12.0 mean discharge 613.62 for period 0 7.0 11.0 mean discharge for period mean discharge for period 624.62 636.62 10.0 643.62 mean discharge for period mean discharge for period mean discharge for period 654.62 mean discharge for period end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

42'48" 100 48'08" 99 47'57" 99 42'23" 99 38'04" 99 42'45" 100 35'26" 100 22'44" 100 21'34" 100 18'45" 100 09'04" 100 59'22" 99 55'27" 99 48'03" 99 43'49" 99 38'04" 99 37'35" 99 32'41" 99 19'24" 99 12'58" 99 09'22" 99 00'15" 106 59'06" 106 41'17" 106 40'35" 106 38'12" 106 37'18" 106 58'04" 106 57'21" 106 00'15" 106 59'09" 106 58'14" 106 57'06" 106 15'20" 103 09'34" 103 59'05" 103 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 327327 27 327 27 328 27 28 328328 27 328 27 328 27 328 27 328 27 328 27 328 27 328 27 329 27 32 327 28 327 27 328 28 328328 28 328 28 328 28 328 28 27 329330 31 330 31 331 31 331 31 332 31 332 31 333 31 333 32 334 31 334 31 335 31 335 29 335 29 28 Stream- Table 4.

126 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

58'55" --53'45" --47'27" Edwards-Trinity Plateau34'22" Edwards-Trinity Plateau42'46" Cenozoic45'03" PecosAlluvium Cenozoic46'04" PecosAlluvium -- Cenozoic43'48" PecosAlluvium -- Cenozoic45'03" PecosAlluvium -- Cenozoic46'04" PecosAlluvium -- Cenozoic43'26" PecosAlluvium -- Cenozoic43'48" PecosAlluvium -- -- Cenozoic45'03" PecosAlluvium -- -- Cenozoic46'04" PecosAlluvium -- Cenozoic43'48" PecosAlluvium -- Cenozoic45'03" PecosAlluvium -- 220.0 Cenozoic46'01" PecosAlluvium -- 403.0 Cenozoic43'48" PecosAlluvium -- 100.9 Cenozoic45'03" PecosAlluvium 5.3 -- Cenozoic46'01" PecosAlluvium 73.3 1.6 -- –1.7 Cenozoic43'44" PecosAlluvium 398.82 -- 30.0 3.8 Cenozoic43'48" PecosAlluvium 4.3 100.0 -- 499.72 1.0 mean discharge for period Cenozoic PecosAlluvium 3.0 -- .3 14.5 –2.3 mean discharge for period 24.9 -- 1.8 1 –2.5 -- 4.8 1.0 359.42 2.7 3.0 5.8 -- 373.92 at Aloma 4.2 settlement .7 mean 3 discharge for period 1.4 mean discharge for period 1.8 4.8 2.8 5.8 1.0 –1.2 –.3 1.8 mi Balmorhea above bridge 3.0 2.4 1.8 3 at US 290crossing 2.7 1.0 4.8 .3 3.0 5.8 1.9 1.8 3 .4 4.8 1.0 1.5 3.0 5.8 1.8 mi Balmorhea above bridge 3 .07 .69 4.8 5.8 1.8 mi Balmorhea below bridge 0 .07 300 springs above ft ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° 32'04"24'26" Carrizo-Wilcox44'36" --44'36" Gulf Coast44'36" Gulf Coast23'30" Gulf Coast12'19" --51'03" -- Queen City48'50" --46'51" --46'45" -- --42'33" -- --27'28" Carrizo-Wilcox Queen City --13'31" Carrizo-Wilcox47'56" Carrizo-Wilcox 1.538'04" Carrizo-Wilcox Carrizo-Wilcox Queen City .8 Queen City Queen City -- –4.1 -- -- 27.0 -- 1.6 -- –16.0 -- -- –190.0 .8 SH 182 -- 5.3 28.2 0 5.3 43.6 13.0 21.2 .8 22.6 42.8 22.6 22.6 gaging station (08030500) 5.6 448.6 20.0 gaging station (08030500) 427.4 19.0 22.0 –32.0 discontinuedgaging station(08018600) 384.6 23.2 2.0 gaging station (08019200) 12.0 –1.1 36.0 6.2 1.8 2.82 11.2 362.6 19.5 8.4 339.4 379 372.8 9.3 303.4 gaging station 500.7 (080220000 371 gaging station (08020500) 481.2 discontinued gaging station (08017500) discontinued gaging station (08018000) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

11'03" 102 16'54" 102 32'11" 102 47'22" 101 00'44" 103 59'04" 103 59'01" 103 59'59" 103 59'04" 103 59'01" 103 00'17" 103 59'59" 103 59'04" 103 59'01" 103 59'59" 103 59'04" 103 59'01" 103 59'59" 103 59'04" 103 59'01" 103 59'24" 103 59'24" 103 48'11" 95 42'06" 95 18'12" 93 18'12" 93 18'12" 93 36'04" 95 34'19" 95 28'34" 94 27'37" 94 28'02" 94 26'12" 94 25'00" 94 22'11" 94 13'28" 94 46'24" 95 43'12" 95 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 342343 32 344 30 344 30 345 30 345 32 345 32 345 32 345 32 345 32 345 32 345 32 345 32 346 32 346 32 32 335 29 335335 29 335 29 336 29 336 31 336 30 337 30 337 30 337 30 338 30 338 31 338 30 338 30 339 30 339 30 339 30 340 30 340 30 340 30 341 30 341 30 342 30 32 Stream- Table 4.

Table 4 127 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

34'17"23'30" --12'19" --13'31" --12'04" Carrizo-Wilcox04'26" Carrizo-Wilcox00'43" Carrizo-Wilcox58'48" Carrizo-Wilcox57'33" Carrizo-Wilcox55'17" Carrizo-Wilcox55'53" Carrizo-Wilcox --52'46" Carrizo-Wilcox Queen City --49'29" Carrizo-Wilcox Queen City --50'23" Carrizo-Wilcox Queen City --49'55" Carrizo-Wilcox --45'16" Carrizo-Wilcox --42'01" Carrizo-Wilcox --40'17" -- --39'53" 37.3 -- -- –23.339'46" -- -- 411.736'34" 23.3 Gulf Coast 1.77 -- 21.233'05" Gulf Coast 3.42 --31'08" 12.0 7.2 Gulf Coast Sparta .03 471.933'50" 22.0 Gulf Coast 3.9 448.633'12" Gulf Coast 1.7 308 discontinued 427.4gaging station(08018300) 6.033'41" 2.8 Gulf Coast discontinuedgaging station(08018600) 296 7.034'30" Coast Gulf gaging station .87 (08019200) 5.036'30" –1.4 at bridge on US 79 12.0 274 Gulf Coast Sparta --40'28" 268 Gulf Coast 6.95 -- 2.0 --41'08" 261 Coast Gulf 0 -- 9.0 256 --42'37" 1.8 Gulf Coast 7.0 --42'16" –.7 Coast Gulf 244 5.34 -- 242 50'39" 12.0 Gulf Coast 9.0 -- 233 45'18" 10.0 10.0 Trinity --42'32" Trinity 217 226 --40'19" Trinity 205 195 -- –.2738'40" Trinity --34'26" Trinity 5.9 -- 2.0 gaging station (08024400) –.3 Trinity –1.32 -- 12.0 10.38 -- 9.0 19.72 7.0 185 9.0 14.0 4.0 5.12 -- 14.0 170 161 -- .33 183 11.0 154 3.55 174 -- 10.23 140 -- 5.0 36.93 7.0 126 -- 5.0 2.46 -- 18.0 –1.1 115 110 9.0 4.0 103 69.61 8.0 98 5.0 23.0 21.9 80 17.8 76 –9.7 68 5.4 63 –9.0 4.2 –37.8 2.9 –4.3 2.1 0 6.9 5.4 2.1 9.6 75ft upper below Cibolo Rd 12.5 14.6 21.5 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of 53" 93 of

° 40'22" 95 36'04" 95 34'19" 95 13'27" 94 07'29" 94 59'46" 94 58'35" 94 55'59" 93 54'05" 93 50'58" 93 50'28" 93 48'18" 93 41'10" 93 35'42" 93 34'51" 93 27'29" 93 23'13" 93 23'37" 93 21'13" 93 21'15" 93 09'45" 93 11'20" 93 03'50" 93 59'18" 93 54'58" 93 51'33" 93 48'04" 93 44'49" 93 38'50" 93 36'59" 93 30 27'51" 93 50'06" 98 48'53" 98 46'25" 98 45'57" 98 44'46" 98 45'00" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 346346 32 347 32 347 32 347 32 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 31 347 30 347 30 347 30 347 30 347 30 347 30 347 30 347 30 348 30 348 29 348 29 348 29 348 29 348 29 29 346 32 Stream- Table 4.

128 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

32'58"31'40" Trinity29'49" Trinity28'06" Trinity25'39" Trinity25'04" Trinity24'18" Trinity21'22" Trinity20'26" Trinity22'48" Trinity21'21" -- Edwards21'04" -- Edwards16'23" -- Edwards15'50" ------15'48" -- --11'12" --07'24" -- Carrizo-Wilcox06'22" -- Carrizo-Wilcox --04'26" Carrizo-Wilcox --03'38" –29.2 Carrizo-Wilcox --01'22" -- –6.7 --59'40" -- –2.8 3.458'09" -- –8.9 -- 1.755'48" ------–.4 1.818'38" –2.6 Gulf 23.6 Coast -- -- 4.518'14" -- -- –7.5 -- 27 18'06" 2.0 -- 28.7 5.217'30" .7 -- –12.24 2.3 30.5 4.916'21" -- 35 –5.2615'53" 1.4 -- 2.1 37 15'19" 5.5 -- 0 Queen City 37.7 13'49" -- .3 Queen City --07'24" 42.6 Carrizo-Wilcox 2.93 -- 49.5 44 11'10" –.21 4.1 Carrizo-Wilcox –.48 --07'24" 1.77 12.9 51.6 Carrizo-Wilcox .806'23" –.6 Carrizo-Wilcox 3.63 -- 9.1 .904'26" 51.9 Carrizo-Wilcox -- .2 12.1 04'30" 2.6 11.0 Carrizo-Wilcox -- 6.2 8.44 –2.2 25 Carrizo-Wilcox -- -- 0 -- -- 6.9 34.1 .9 36.7 1.1 -- -- 6.6 Schertz at FM 78 above mi 0.1 -- -- 1.2 1.9 42.9 -- –.5 49.8 -- 7.6 -- 7.2 0 8.1 .28 71.7 –.28 56.4 –.42 5.38 63.6 .9 1.2 1.76 2.5 4.8 7.43 3.7 .79 .8 3.58 88.7 89.6 5.78 .7 3.4 87.5 13.4 1.7 1.2 79.7 gaging station at Selma 2.6 (08185000) 4.0 85 9.6 84.2 76 .6 2.8 72.6 83.5 1.9 82.3 59.2 1.9 49.6 46.8 44.9 end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

45'36" 98 44'35" 98 44'17" 98 44'14" 98 43'12" 98 44'42" 98 44'54" 98 43'57" 98 43'22" 98 40'04" 98 39'29" 98 39'24" 98 33'02" 98 32'35" 98 32'35" 98 30'07" 98 27'08" 98 21'32" 98 21'03" 98 17'15" 98 14'47" 98 10'12" 97 05'35" 97 00'49" 97 35'37" 98 35'04" 98 34'09" 98 33'39" 98 33'01" 98 32'35" 98 32'39" 98 33'01" 98 27'07" 98 30'07" 98 27'07" 98 21'32" 98 21'03" 98 20'00" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 348348 29 348 29 348 29 348 29 348 29 348 29 348 29 348 29 348 29 348 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 349 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 29 348 29 Stream- Table 4.

Table 4 129 of upstream end of end upstream of Descriptive location selected subreaches end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

04'30"03'42" Carrizo-Wilcox03'36" Carrizo-Wilcox03'01" --01'21" --00'31" --59'40" --58'08" -- --58'07" -- --56'52" --55'48" --53'00" Coast Gulf 33'42" Coast Gulf 33'42" Edwards, Trinity --33'42" Edwards, Trinity Queen City33'42" Edwards, Trinity Queen City32'22" Edwards, Trinity Queen City33'42" Edwards 0 Sparta32'22" Edwards, Trinity 6.1 -- --33'42" -- Edwards -- --32'22" -- Edwards, Trinity 1.5 -- 2.833'42" -- Edwards 2.4732'22" -- Edwards, Trinity –.6333'42" 43 1.95 Edwards –.1 41.5 4.433'42" -- Edwards, Trinity 2.632'22" Edwards, 1.5 Trinity -- 8.5 4.228'03" -- Edwards 37.2 28'21" -- 32.8 -- –3.428'42" 38.7 4.5 -- -- –60.4 30.2 .628'45" 4.9 –66.0 -- -- 4.728'52" –.96 -- -- –61.6 2.8 3.15 26 29'00" -- -- 6.2 –50.1 -- 4.6 3.1529'39" 1.7 -- 3.7 3.1529'24" 21.5 -- –47.2 7.21 3.1529'20" 10.4 -- 18.7 -- 7.21 –48.729'52" 14.1 4.2 gaging station (08178585),a.m.,at Rd Wilderness -- –32.1 7.21 3.1529'55" gaging station (08178585),p.m., Rd at Wilderness -- 7.21 –36.328'51" 4.06 gaging station (08178585),a.m.,at Rd Wilderness -- –39.0 -- 3.15 gaging station (08178585),a.m.,at Rd Wilderness -- -- 7.21 –24.3 4.06 –29.4 -- 3.15 4.06 gaging station (08178585),p.m., Rd at Wilderness –25.5 -- 7.21 –21.7 4.06 -- gaging station (08178592), a.m., FM 1604 3.15 4.06 gaging station (08178585),a.m.,at Rd Wilderness -- 7.21 3.15 4.06 -- gaging station (08178592),p.m., FM 1604 –19.5 4.06 gaging station (08178585),p.m., Rd at Wilderness -- 7.21 -- gaging station (08178592), a.m., FM 7.21 1604 4.06 4.06 gaging station (08178585),p.m., Rd at Wilderness -- gaging station (08178585),a.m., 1.51at Rd Wilderness gaging -- station (08178592),p.m., FM 1604 -- .46 4.06 1.44 .9 gaging .31station (08178592), a.m., FM 1604 1.1 .53 .3 –.82 0 .7 6.2 .7 .9 2.2 2.1 2 200 Hildebrand above ft Ave .3 .9 12.1 2.3 .5 3 2.4 3.7 –3.0 .8 .42 5.8 2.8 6.7 1.97 228.7 7.2 228.28 225.48 gaging station (08178050) gaging station (08178505) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

19'09" 98 18'19" 98 17'05" 98 16'36" 98 14'47" 98 13'09" 98 10'12" 97 07'35" 97 05'33" 97 02'42" 97 00'49" 97 59'23" 97 37'49" 98 37'49" 98 37'49" 98 37'49" 98 36'06" 98 37'49" 98 36'06" 98 37'49" 98 36'06" 98 37'49" 98 36'06" 98 37'49" 98 37'49" 98 36'06" 98 27'51" 98 27'37" 98 27'05" 98 26'56" 98 26'29" 98 26'04" 98 24'34" 98 24'15" 98 23'58" 98 23'24" 98 23'15" 98 22'33" 98 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 350350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 350 29 351 28 352 29 353 29 354 29 354 29 355 29 355 29 356 29 356 29 357 29 357 29 358 29 359 29 359 29 360 29 360 29 360 29 360 29 360 29 360 29 360 29 360 29 360 29 361 29 361 29 361 29 29 350 29 Stream- Table 4.

130 Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains From and Losses to Major and Minor Aquifers of upstream end of end upstream of Descriptive location selected subreaches Grapeland end of end ubreach (river mi) upstream Location of Length (river mi) of subreach /s) 3 (ft Gain or subreach loss (-) in outcrop intercepted by subreach by Minor aquifer Minor outcrop intersected by subreach Major aquifer of

28'06"06'14" Carrizo-Wilcox07'05" Gulf Coast06'41" Gulf Coast06'06" Coast Gulf 33'36" Coast Gulf 30'41" Coast Gulf 29'36" Coast Gulf --27'25" Gulf Coast25'57" Coast Gulf --23'31" Coast Gulf --22'35" Coast Gulf --20'40" Gulf Coast --18'28" Coast Gulf --31'00" Coast Gulf -- --32'08" -- --33'27" –2.1 -- --39'36" -- --39'21" 12.35 -- –1.539'55" -- -- 3.0 --29'35" -- 223.51 1.8 -- 3.731'45" --35'00" .9 4.2 -- 4.1736'52" 3.7 -- 19.9 1.5623'54" -- 6.4 Queen City 6.4 –.709'00" 16.2 Gulf Coast gaging station nearCleveland (08070000) –.75 4.9 12 56'46" Coast Gulf Queen City 1.5551'02" 3.2 Gulf Coast Queen City 8.3 37.9 –.99 2.7 Gulf Coast Queen City 31.5 4.3 .18 Creek Base of mouth Queen City above ft 3,200 3.9 3.9 26.6 Queen City 23.4 .9 3.3 –3.44 Sparta 20.7 5.9 Sparta 16.4 -- 1.6 2.7 Queen City 4.38 -- 12.5 Queen City 1.2 -- 9.2 2.4 .13 -- 26 3.3 10.3 .34 2.57 6.5 24.4 at bridge on county road 3.5 mi northwest of 3.9 22 1.0 –.39 at FM 1272 –.1 11.7 –.93 –.17 2.8 5.2 2.1 at FM 277 1.3 3.2 4.7 5.6 6.8 at FM 2544 3.46 25.9 17.5 26.0 39.8 10 14.7 22.5 6.8 at bridge on old Grapeland-Crockett Hwy 45.3 0 25.9 FM 229 65.7 88.2 at IH-45 gagingRiverside atstation (08066000) gaging station (0866500) end upstream ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° °

subreach Longitude of of

21'31" 98 20'11" 95 17'39" 95 15'16" 95 12'51" 95 20'57" 95 18'51" 95 16'05" 95 14'40" 95 13'58" 95 12'20" 95 09'47" 95 08'44" 95 05'09" 95 31'49" 95 30'57" 95 29'21" 95 27'52" 95 24'36" 95 22'42" 95 25'51" 95 25'22" 95 24'47" 95 23'57" 95 51'33" 95 47'37" 95 33'59" 94 25'28" 94 ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° end subreach upstream Gains and losses from gain-loss studies in Texas—Continued Latitude of no. flow study 362362 30 362 30 362 30 363 30 363 30 363 30 363 30 363 30 363 30 363 30 363 30 363 30 364 30 31 364364 31 364 31 364 31 365 31 365 31 365 31 365 31 366 31 366 30 366 30 366 30 30 364 31 361 29 Stream- Table 4.

Table 4 131 Slade, Bentley, and Michaud— Results of Streamflow Gain-Loss Studies in Texas, With Emphasis on Gains —USGS OFR 02–068 From and Losses to Major and Minor Aquifers

District Chief U.S. Geological Survey 8027 Exchange Dr. Austin, TX 78754–4733