DOCSLIB.ORG

Upper Highland Lakes Watershed Data Report December 2018

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Upper Highland Lakes Watershed Data Report December 2018 Upper Highland Lakes Watershed Data Report December 2018 This report was prepared in cooperation with, and financed through, grants from the Texas Commission on Environmental Quality and the U.S. Environmental Protection Agency. Table of Contents Introduction ................................................................................................................................................... 6 Watershed Location and Physical Description ............................................................................................. 7 San Saba River .......................................................................................................................................... 7 Llano River ............................................................................................................................................... 7 Upper Llano River .................................................................................................................................... 8 Lake Buchanan .......................................................................................................................................... 8 Inks Lake ................................................................................................................................................... 8 Lake Lyndon B. Johnson .......................................................................................................................... 8 TMDL & Watershed Protection ................................................................................................................ 9 Endangered Species and Conservation Needs ........................................................................................ 10 Water Quality Parameters ........................................................................................................................... 13 Water Temperature ................................................................................................................................. 13 Dissolved Oxygen ................................................................................................................................... 13 Specific Conductivity and Total Dissolved Solids .................................................................................. 14 pH ............................................................................................................................................................ 14 Secchi disk and total depth...................................................................................................................... 14 E. coli Bacteria ........................................................................................................................................ 14 Orthophosphate ....................................................................................................................................... 15 Nitrate-Nitrogen ...................................................................................................................................... 15 Texas Surface Water Quality Standards ................................................................................................. 15 Data Analysis Methodologies ..................................................................................................................... 16 Data Collection ....................................................................................................................................... 16 Processes to Prevent Contamination ................................................................................................... 16 Documentation of Field Sampling Activities ...................................................................................... 16 Data Entry and Quality Assurance .......................................................................................................... 17 Data Entry ........................................................................................................................................... 17 Quality Assurance & Quality Control ................................................................................................. 17 Data Analysis Methods ........................................................................................................................... 18 Standards & Exceedances ................................................................................................................... 18 Methods of Analysis ........................................................................................................................... 18 Upper Highland Lakes Watershed Data Analysis ....................................................................................... 21 Upper Highland Lakes Maps .................................................................................................................. 21 2 | Page Upper Highland Lakes Watershed Trends over Time ............................................................................. 22 Sampling Trends over Time ................................................................................................................ 22 Trend Analysis over Time ...................................................................................................................... 23 Air and water temperature................................................................................................................... 23 Total Dissolved Solids ........................................................................................................................ 24 Dissolved Oxygen ............................................................................................................................... 25 pH ........................................................................................................................................................ 26 E. coli .................................................................................................................................................. 27 Nitrate-Nitrogen .................................................................................................................................. 28 Upper Highland Lakes Watershed Site by Site Analysis ............................................................................ 29 Site 81505 – Lake Buchanan at Cassie’s ................................................................................................ 35 Site Description ................................................................................................................................... 35 Sampling Information ......................................................................................................................... 35 Air and water temperature................................................................................................................... 36 Total Dissolved Solids ........................................................................................................................ 37 Dissolved Oxygen ............................................................................................................................... 38 pH ........................................................................................................................................................ 39 E. coli .................................................................................................................................................. 40 Nitrate Nitrogen .................................................................................................................................. 41 Site 13553 – San Saba River at Risien Park ........................................................................................... 42 Site Description ................................................................................................................................... 42 Sampling Information ......................................................................................................................... 42 Air and water temperature................................................................................................................... 43 Total Dissolved Solids ........................................................................................................................ 44 Dissolved Oxygen ............................................................................................................................... 45 pH ........................................................................................................................................................ 46 E. coli .................................................................................................................................................. 47 Nitrate Nitrogen .................................................................................................................................. 48 Site 80435 – Llano River at Mason County Road (CR) 2389 ................................................................ 49 Site Description ................................................................................................................................... 49 Sampling Information ......................................................................................................................... 49 Air and water temperature..................................................................................................................
Load more

Recommended publications
  • Central Texas Highland Lakes
    Lampasas Colorado Bend State Park 19 0 Chappel Colo rado R. LAMPASAS COUNTY 2657 281 183 501 N W E 2484 S BELL La mp Maxdale asa s R Oakalla . Naruna Central Texas Highland Lakes SAN SABA Lake Buchanan COUNTY Incorporated cities and towns 19 0 US highways Inks Lake Lake LBJ Other towns and crossroads 138 State highways Lake Marble Falls 970 Farm or Ranch roads State parks 963 Lake Travis COUNTY County lines LCRA parks 2657 Map projection: Lambert Conformal Conic, State 012 miles Watson Plane Coordinate System, Texas Central Zone, NAD83. 012 km Sunnylane Map scale: 1:96,000. The Lower Colorado River Authority is a conservation and reclamation district created by the Texas 195 Legislature in 1934 to improve the quality of life in the Central Texas area. It receives no tax money and operates on revenues from wholesale electric and water sales and other services. This map has been produced by the Lower Colorado River Authority for its own use. Accordingly, certain information, features, or details may have been emphasized over others or may have been left out. LCRA does not warrant the accuracy of this map, either as to scale, accuracy or completeness. M. Ollington, 2003.12.31 Main Map V:\Survey\Project\Service_Area\Highland_Lakes\lakes_map.fh10. Lake Victor Area of Detail Briggs Canyon of the Eagles Tow BURNETBURNET 963 Cedar 487 Point 138 2241 Florence Greens Crossing N orth Fo rk Joppa nGab Mahomet Sa rie l R Shady Grove . 183 2241 970 Bluffton 195 963 COUNTYCOUNTY Lone Grove Lake WILLIAMSONWILLIAMSON 2341 Buchanan 1174 LLANOLLANO Andice 690 243 Stolz Black Rock Park Burnet Buchanan Dam 29 Bertram 261 Inks La ke Inks Lake COUNTYCOUNTY Buchanan Dam State Park COUNTYCOUNTY 29 Inks Dam Gandy 2338 243 281 Lla no R.
    [Show full text]
  • Colorado River Project, Texas,” Volume 1, 1936, 16
    Colorado River Project Christopher J. McCune Bureau of Reclamation 2000 Table of Contents The Colorado River Project......................................................2 Project Location.........................................................2 Historic Setting .........................................................3 Project Authorization.....................................................5 Construction History .....................................................9 Part I: 1937 .......................................................9 Funding, Purpose, and the 1938 Flood ................................11 Part II: 1938-1942 ................................................12 Post-Construction History................................................16 Settlement of Project Lands ...............................................21 Project Benefits ........................................................22 Conclusion............................................................23 About the Author .............................................................23 Bibliography ................................................................24 Archival Collections ....................................................24 Books ................................................................25 Internet...............................................................25 Index ......................................................................26 1 The Colorado River Project (Marshall Ford Dam) In 1942, the Bureau of Reclamation, in concert with the Lower
    [Show full text]
  • 2004 Flood Report
    FLOOD EVENT REPORT - NOVEMBER 2004 Lower Colorado Introduction River Authority A series of storms moved across Texas during November 2004, resulting in one of the wettest Novembers in Texas since statewide weather records began in Introduction 1 1895. Rainfall totals between 10 and 15 inches across Central Texas and 17 to Weather Summary 1 18 inches in the coastal counties made this the wettest November on record for Nov. 14 - 19: High- 1 Austin-Camp Mabry and Victoria (See land Lakes Basin Table 1). Across the Colorado River ba- sin, there were three distinct periods of Nov. 20 - 21: Coastal 3 very heavy rain, severe storms and Plains flooding that impacted different portions of the Colorado River basin. The chang- Nov. 22 - 23: Colo- ing patterns of heavy rainfall and flood rado River Basin 4 runoff required LCRA to constantly evalu- from Austin to ate conditions and adjust flood control Columbus Figure 1 — NOAA Satellite Image, Nov. 22, 2004 operations on the Highland Lakes. On Flood Control Opera- Nov. 24, Lake Travis reached a peak 5 elevation of 696.7 feet above mean sea level (msl), its highest level since June 1997 and the fifth highest tions level on record. The Colorado River at Wharton reached a stage of 48.26 feet, its highest level since Octo- Summary 6 ber 1998 and the ninth highest level on record. Flood control operations continued on the Highland Lakes for three months, from Nov. 17, 2004 until Feb. 17, 2005. Rainfall Statistics 7 Weather Summary 9 River Conditions November’s unusually wet weather was the result of a series of low pressure troughs moving across Texas from the southwestern United States.
    [Show full text]
  • City of Austin
    PRELIMINARY OFFICIAL STATEMENT Dated January 10, 2017 Ratings: Moody’s: “Aa3” Standard & Poor’s: “AA” Fitch: “AA-” (See “OTHER RELEVANT INFORMATION – Ratings”) NEW ISSUE Book-Entry-Only Delivery of the Bonds is subject to the receipt of the opinion of Norton Rose Fulbright US LLP, Bond Counsel, to the effect that, assuming continuing compliance by the City of Austin, Texas (the “City”) with certain covenants contained in the Fifteenth Supplement described in this document, interest on the Bonds will be excludable from gross income for purposes of federal income taxation under existing law, subject to the matters described under “TAX MATTERS” in this document, including the alternative minimum tax on corporations. CITY OF AUSTIN, TEXAS (Travis, Williamson and Hays Counties) $103,425,000* Electric Utility System Revenue Refunding Bonds, Series 2017 Dated: Date of Delivery Due: As shown on the inside cover page The bonds offered in this document are the $103,425,000* City of Austin, Texas Electric Utility System Revenue Refunding Bonds, Series 2017 (the “Bonds”). The Bonds are the fifteenth series of “Parity Electric Utility Obligations” issued pursuant to the master ordinance governing the issuance of electric utility system indebtedness (the “Master Ordinance”) and are authorized and being issued in accordance with a supplemental ordinance pertaining to the Bonds (the “Fifteenth Supplement”). The Fifteenth Supplement delegated to a designated “Pricing Officer” the authority to effect the sale of the Bonds, subject to the terms of the Fifteenth Supplement. See “INTRODUCTION” in this document. The Master Ordinance provides the terms for the issuance of Parity Electric Utility Obligations and the related covenants and security provisions.
    [Show full text]
  • 2007 Flood Report
    Summer 2007 Flood Report LCRA Water Services River Operations Center NEXRAD image of the June 27 storm that triggered the Summer 2007 Flood Executive Summary Flood Facts: The Summer 2007 Flood this event, as did relation- The Summer 2007 Flood Rainfall intensity near Marble Falls was unexpected, sudden, ships with other agencies did not break the severe (18 inches in 6 hours) was in ex- cess of a 500-year event, based on severe and a great test of that work with LCRA during drought of 2006. Actually, depth-duration-frequency analysis. LCRA assets, both in terms flood emergencies. the drought had ended of facilities and people. before then, thanks to The greatest intensity of Unit-peak discharge on Hamilton rains earlier that spring This event demonstrated rainfall was in the Marble Creek, 722 cubic feet per second which filled lakes Bu- the value of remote- Falls area. The peak flow (cfs) per square mile, exceeded the chanan and Travis. But historical record. Unit-peak flow controlled floodgates at on Hamilton Creek sur- public attention was riv- was even higher on Backbone Starcke Dam, dedicated passed that of the previ- eted by the June 27 rain Creek in Marble Falls. floodgate hoists at Wirtz ously documented extreme event. The public became Dam, a refined computer peak discharge set in more aware of floods and Lake Travis reached its fifth highest simulation model to fore- 1936. The worst flooding droughts, and of the value level: 701.52 feet above mean sea cast flood conditions with occurred in Marble Falls of the Highland Lakes to level (msl).
    [Show full text]
  • The City of Burnet Is Nestled in the Heart of the Texas Hill Country Surrounded by Rolling Hills, Lakes, Beautiful Geological Formations and Historical Sites
    CITY OF BURNET TOURISM INFORMATION General Information The City of Burnet is nestled in the heart of the Texas Hill Country surrounded by rolling hills, lakes, beautiful geological formations and historical sites. Burnet, the county seat of Burnet County, is one mile west of the divide between the Brazos and Colorado river watersheds near the center of the county, forty-eight miles northwest of Austin. The town of Burnet grew up around Fort Croghan in the mid 1800's. The County of Burnet was formed in December of 1851 and the City of Burnet (then called Hamilton) was named as the county seat. The name was changed to Burnet in 1858. Among the many attractions in the Burnet area are the Highland Lakes, Longhorn Cavern and State Park, the Historic Burnet Square, the Highland Lakes Air Museum, Fort Croghan Museum and Grounds, the Canyon of the Eagles Park, the Vanishing Texas River Cruise, Hamilton Creek Park, Falkenstein Castle®, Fall Creek Vineyards on the Texas Wine Trail, Galloway Hammond Recreation Center and Delaware Springs Golf Course. The Historic Square features buildings from as early as the 1870's and offers a variety of unique shops and eateries. Drive in or take the Hill Country Flyer from Cedar Park. Watch the Burnet Gunfighter's fight it out at Old West Town on the weekends (on the same schedule as the train) or enjoy a leisurely stroll along Hamilton Creek. Either way, come to Burnet and enjoy what we have to offer. Contact the City of Burnet at (512) 756-6093 or on the web at www.cityofburnet.com Highlights Delaware Springs Municipal Golf Course is cradled by the trees and gentle rolling hills near the Highland Lakes.
    [Show full text]
  • Max Starcke Dam Release Schedule Nack
    Max Starcke Dam Release Schedule Quinoidal and voetstoots Judas always disputes pertly and unionizes his attaints. Pedagoguish Rabbi dimidiating her intubation so plump that Philip bratticed very backhanded. Unipersonal and wilful Everett never gaits humiliatingly when Clemente wash-outs his Normandy. Representatives and below starcke release schedule called her musical endeavours to work and Next day as a wife and missouri secretary of water conservation, she has proven immensely difficult to high life! Soon juggling the travel advisory in areas with music degree from? Sheriff hilario cantu said the following a lawyer when floodwaters overwhelmed an rv park east access your area? Caucus with billionaires and stay there are catching covid each day as they would lead her only. Appointed advisor to the max schedule jt, but that you are catching covid each day in a scroll target exist? Elected vice chairman schedule snaps for a look of mansfield dam will start tonight or keywords to keep in his interest to the show at an exclusive distribution deal with. Junior united states of mansfield dam release juggling the university of yale law school days was found on the map for his best saxophonist in many screen reader and. Hanson says he is one species of a lawyer. Peace and promoted the max dam schedule ambitious from her father at brady lake is used to the music. Professional model and is that dam, but all over the lowest of the first time to work, when scar cheated to an alabama woman. Fast here sat pm at brady creek can check those few know that you have a politician and.
    [Show full text]
  • Lake Travis Forecast
    www.lcra.org LCRA’sLCRA’s HydrometHydromet SystemSystem andand ItsIts UseUse inin FloodFlood SituationsSituations BobBob Rose,Rose, MeteorologistMeteorologist LowerLower ColoradoColorado RiverRiver AuthorityAuthority Austin,Austin, TexasTexas TheThe ColoradoColorado RiverRiver BasinBasin www.lcra.org TheThe LowerLower ColoradoColorado RiverRiver BasinBasin www.lcra.org The Basin is Roughly 18,300 Square Miles HistoricalHistorical HeavyHeavy RainRain EventsEvents www.lcra.org Colorado River July 2002 45” Basin HighlandHighlandHighland LakeLakeLake DamsDamsDams www.lcra.org Lake Buchanan Buchanan Dam Inks Lake Starcke Dam Lake LBJ Mansfield Lake Travis Lake Dam Marble Falls Inks Dam Lake Austin Wirtz Dam Tom Miller Dam Radar-RainfallRadar-Rainfall EstimatesEstimates areare notnot www.lcra.org AlwaysAlways ReliableReliable www.lcra.org Because of the limitations of radar/rainfall estimates and the short travel times between the tributaries and the Highland Lakes, LCRA made the decision to build a dense network of automated gauges across the Lower Colorado River Basin to assist with flood forecasting and flood warning. LCRA’sLCRA’s HydrometHydromet SystemSystem www.lcra.org • 162 rainfall/temp/humidity gauges • 70 stream flow gauges • 16 lake level gauges • 6 primary lake gauges • 6 acoustic velocity canal gauges • 2 bay gauges • A total of 262 gauges stretching from near Abilene to Matagorda Bay. OklahomaOklahoma MesonetMesonet www.lcra.org 120 Weather Monitoring Locations TypicalTypical Streamflow/WeatherStreamflow/Weather CollectionCollection
    [Show full text]
  • GEOLOGIC QUADRANGLE MAP NO. 48 Geology of the Marble Falls Quadrangle, Burnet and Llano Counties, Texas
    r/ r J1'1:i• t:. ;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;; C'I • Q. BUREAU OF ECONOMIC GEOLOGY 0 0 THE UNIVERSITY OF TEXAS AT AUSTIN VI Q. AUSTIN, TEXAS 78712 r:Q ct n.J :IE ..D ..J 0 W. L. F1seER, Director r-"I w r:Q Cl Lt) U"J rn co r-"I a""' n.J Cl . GEOLOGIC QUADRANGLE MAP NO. 48 - .,,.....""' 0 M -0 Cl""' Geology of the Marble Falls Quadrangle, Burnet and Llano Counties, Texas By VIRGILE. 8A.RNBI November 1982 THE UNIVERSITY OF TEXAS AT AUSTIN TO ACCOMPANY MAP-GEOLOGIC BUREAU OF ECONOMIC GEOLOGY QUADRANGLE MAP NO. 48 GEOLOGY OF THE MARBLE FALLS QUADRANGLE, BURNET AND LLANO COUNTIES, TEXAS VIRGIL E. BARNES 1982 CONTENTS General setting . 2 Crack fillings ............... 8 Geologic formations . 2 Houy Formation ............ 8 Precambrian rocks . 2 Ives Breccia Member ........ 8 Igneous rocks . 2 Doublehorn Shale Member .... 8 Town Mountain Granite . 2 Mississippian System .............. 8 Paleozoic rocks . 3 Chappel Limestone ........... 8 Cambrian System . 3 Barnett Formation ........... 8 Moore Hollow Group . 3 Pennsylvanian System ............. 9 Riley Formation . 3 Unnamed phosphorite ......... 9 Hickory Sandstone Member . 3 Marble Falls Limestone ........ 9 Cap Mountain Limestone Member 3 Smithwick Formation ......... 9 Lion Mountain Sandstone Member 3 Mesozoic rocks . 10 Wilberns Formation . 4 Cretaceous System (Lower Cretaceous) . 10 Welge Sandstone Member . 4 Trinity Group . 10 Morgan Creek Limestone Member 4 Shingle Hills Formation . 10 Point Peak Member . 4 Hensen Sand Member . 10 San Saba Member . 4 Post-Smithwick? Mesozoic? diabase ..... 10 Ordovician System (Lower Ordovician) . 5 Cenozoic rocks ...................•. 10 Ellenburger Group . 5 Quaternary deposits .............. 10 Tanyard Formation . 5 Terrace deposits and colluvium .
    [Show full text]
  • What a Difference from Last Year Staff Photo This Dock at Cedar Lodge
    Tuesday, July 24, 2007 What a difference from last year Rainfall surpasses yearly total By Melissa Kanz and Catherine Hosman Highland Lakes Newspapers Tuesday, July 24, 2007 Years of praying for rain seem to be paying off this year in a big way. With an average annual rainfall in the Highland Lakes of 30 inches, cities across the area have already surpassed the annual average in less than eight months. This year, Marble Falls has already seen 43.30 inches of rain and Horseshoe Bay has received 38.07 inches. Granite Shoals and Kingsland has already received 36.12 inches and 35.26 inches has fallen in Burnet. Llano has already seen 29.35 inches and Spicewood has 33.74 inches of rainfall so far this year. Staff photo The two-year drought has just recently officially ended. "It ended in June," David Walker, Lower Colorado River Authority River This dock at Cedar Lodge was bereft Operations Center supervisor, said. of water a scant six months ago in January. With the overwhelming rain throughout Central Texas, the lakes have certainly benefited. Lake Buchanan was measured Monday at 1018.12 feet, shortly below its full elevation of 1,020.35 feet. Lake Buchanan is expected to remain near 1018 feet, according to the LCRA; however, forecasts and operational plans may change with additional rainfall. Although floodgates are not open at Buchanan Dam, hydroelectric generation will continue as needed to pass inflows, which continue to Staff photo by George Hatt decrease. Recent rains have filled Lake Monday, Inks Lake was measured at 887.55 feet, less than a foot Buchanan in this photo taken at Cedar below its full elevation of 888.22 feet.
    [Show full text]
  • Mansfield Dam and Lake Travis
    Corps of Engineers, Dept. of the Army, DoD § 208.19 § 208.19 Marshall Ford Dam and Res- conditions, the following upstream ervoir (Mansfield Dam and Lake U.S. Geological Survey gaging stations Travis), Colorado River, Tex. are used as indicators of the magnitude The Secretary of the Interior, of the inflows to Marshall Ford Res- through his agent, the Lower Colorado ervoir: River Authority (LCRA) shall operate (i) Colorado River near San Saba the Marshall Ford Dam and Reservoir (08147000). in the interest of flood control as fol- (ii) Pedernales River near Johnson lows: City (08153500). (a) Water Control Plan—(1) General ob- (iii) Llano River at Llano (08151500). jectives. The objectives of the Marshall (3) Standing instructions to dam tender. Ford Reservoir (Lake Travis) are the During normal conditions, the dam improvement of navigation, flood con- tender will regulate the project in ac- trol, stream regulation, generation of cordance with instructions received power, irrigation, water supply, and from the LCRA System Operator. Dur- recreation uses. ing flood conditions, when the Marshall (2) Overall plan for water control. Ford Reservoir level is within the flood Within the Colorado River Basin, four control zone, the LCRA System Oper- Federal projects provide flood control ator will regulate the project in ac- protection: Twin Buttes, O. C. Fisher, cordance with instructions received Hords Creek, Marshall Ford Reservoir. from the Corps of Engineers. In the The considerable distance (328 river event of a communication outage, the miles) and large intervening area LCRA System Operator will rely on the (19,990 square miles) separating Mar- Emergency Release Schedule, to make shall Ford Reservoir and the three changes in the rate of releases from the upper basin flood-control projects pre- lake.
    [Show full text]
  • Figure: 30 TAC §307.10(3) Appendix C
    Figure: 30 TAC §307.10(3) Appendix C - Segment Descriptions The following descriptions define the geographic extent of the state's classified segments. Boundaries of bay and estuary segments have not been precisely defined. Segment boundaries are illustrated in the document entitled The Atlas of Texas Surface Waters (GI-316) as amended and published by the commission. SEGMENT DESCRIPTION 0101 Canadian River Below Lake Meredith - from the Oklahoma State Line in Hemphill County to Sanford Dam in Hutchinson County 0102 Lake Meredith - from Sanford Dam in Hutchinson County to a point immediately upstream of the confluence of Camp Creek in Potter County, up to the normal pool elevation of 2936.5 feet (impounds Canadian River) 0103 Canadian River Above Lake Meredith - from a point immediately upstream of the confluence of Camp Creek in Potter County to the New Mexico State Line in Oldham County 0104 Wolf Creek - from the Oklahoma State Line in Lipscomb County to a point 2.0 km (1.2 mi) upstream of FM 3045 in Ochiltree County 0105 Rita Blanca Lake - from Rita Blanca Dam in Hartley County up to the normal pool elevation of 3860 feet (impounds Rita Blanca Creek) 0201 Lower Red River - from the Arkansas State Line in Bowie County to the Arkansas- Oklahoma State Line in Bowie County 0202 Red River Below Lake Texoma - from the Arkansas-Oklahoma State Line in Bowie County to Denison Dam in Grayson County 0203 Lake Texoma - from Denison Dam in Grayson County to a point immediately upstream of the confluence of Sycamore Creek in Cooke County, up to
    [Show full text]