FY 2018 Annual Report
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Classified Stream Segments and Assessments Units Covered by Hb 4146
CLASSIFIED STREAM SEGMENTS AND ASSESSMENTS UNITS COVERED BY HB 4146 SEG ID River Basin Description Met criteria 0216 Red Wichita River Below Lake Kemp Dam 96.43% 0222 Red Salt Fork Red River 95.24% 0224 Red North Fork Red River 90.91% 1250 Brazos South Fork San Gabriel River 93.75% 1251 Brazos North Fork San Gabriel River 93.55% 1257 Brazos Brazos River Below Lake Whitney 90.63% 1415 Colorado Llano River 94.39% 1424 Colorado Middle Concho/South Concho River 95.24% 1427 Colorado Onion Creek 93.43% 1430 Colorado Barton Creek 98.25% 1806 Guadalupe Guadalupe River Above Canyon Lake 96.37% 1809 Guadalupe Lower Blanco River 95.83% 1811 Guadalupe Comal River 98.90% 1812 Guadalupe Guadalupe River Below Canyon Dam 96.98% 1813 Guadalupe Upper Blanco River 95.45% 1815 Guadalupe Cypress Creek 99.19% 1816 Guadalupe Johnson Creek 97.30% AU ID River Basin Description Met criteria 1817 Guadalupe North Fork Guadalupe River 100.00% 1414_01 Colorado Pedernales River 93.10% 1818 Guadalupe South Fork Guadalupe River 97.30% 1414_03 Colorado Pedernales River 91.38% 1905 San Antonio Medina River Above Medina Lake 100.00% 1416_05 Colorado San Saba River 100.00% 2111 Nueces Upper Sabinal River 100.00% Colorado River Below Lady Bird Lake 2112 Nueces Upper Nueces River 95.96% 1428_03 Colorado (formally Town Lake) 91.67% 2113 Nueces Upper Frio River 100.00% Medina River Below Medina 1903_04 San Antonio Diversion Lake 90.00% 2114 Nueces Hondo Creek 93.48% Medina River Below Medina 2115 Nueces Seco Creek 95.65% 1903_05 San Antonio Diversion Lake 96.84% 2309 Rio Grande Devils River 96.67% 1908_02 San Antonio Upper Cibolo Creek 97.67% 2310 Rio Grande Lower Pecos River 93.88% 2304_10 Rio Grande Rio Grande Below Amistad Reservoir 95.95% 2313 Rio Grande San Felipe Creek 95.45% 2311_01 Rio Grande Upper Pecos River 92.86% A detailed map of covered segments and assessment units can be found on the TCEQ website https://www.tceq.texas.gov/gis/nonpoint-source-project-viewer . -
Volumetric Survey of Medina Lake and Diversion Lake
VOLUMETRIC SURVEY OF MEDINA LAKE AND DIVERSION LAKE Prepared for: BEXAR-MEDINA-ATASCOSA COUNTIES WATER CONTROL AND IMPROVEMENT DISTRICT NUMBER ONE Prepared by: The Texas Water Development Board March 10, 2003 Texas Water Development Board Craig D. Pedersen, Executive Administrator Texas Water Development Board William B. Madden, Chairman Noe Fernandez, Vice-Chairman Charles W. Jenness Charles L. Geren Lynwood Sanders Elaine M. Barrón, M.D. Authorization for use or reproduction of any original material contained in this publication, i.e. not obtained from other sources, is freely granted. The Board would appreciate acknowledgment. This report was prepared by the Hydrographic Survey group: Scot Sullivan, P.E. Duane Thomas Steve Segura Marc Robichaud Wayne Elliott For more information, please call (512) 936-0848 Published and Distributed by the Texas Water Development Board P.O. Box 13231 Austin, Texas 78711-3231 TABLE OF CONTENTS INTRODUCTION ............................................................................................................................1 HISTORY AND GENERAL INFORMATION OF THE RESERVOIR ...........................................1 HYDROGRAPHIC SURVEYING TECHNOLOGY ........................................................................3 GPS Information...................................................................................................................3 Equipment and Methodology ................................................................................................4 Previous Survey Procedures.................................................................................................5 -
Stormwater Management Program 2013-2018 Appendix A
Appendix A 2012 Texas Integrated Report - Texas 303(d) List (Category 5) 2012 Texas Integrated Report - Texas 303(d) List (Category 5) As required under Sections 303(d) and 304(a) of the federal Clean Water Act, this list identifies the water bodies in or bordering Texas for which effluent limitations are not stringent enough to implement water quality standards, and for which the associated pollutants are suitable for measurement by maximum daily load. In addition, the TCEQ also develops a schedule identifying Total Maximum Daily Loads (TMDLs) that will be initiated in the next two years for priority impaired waters. Issuance of permits to discharge into 303(d)-listed water bodies is described in the TCEQ regulatory guidance document Procedures to Implement the Texas Surface Water Quality Standards (January 2003, RG-194). Impairments are limited to the geographic area described by the Assessment Unit and identified with a six or seven-digit AU_ID. A TMDL for each impaired parameter will be developed to allocate pollutant loads from contributing sources that affect the parameter of concern in each Assessment Unit. The TMDL will be identified and counted using a six or seven-digit AU_ID. Water Quality permits that are issued before a TMDL is approved will not increase pollutant loading that would contribute to the impairment identified for the Assessment Unit. Explanation of Column Headings SegID and Name: The unique identifier (SegID), segment name, and location of the water body. The SegID may be one of two types of numbers. The first type is a classified segment number (4 digits, e.g., 0218), as defined in Appendix A of the Texas Surface Water Quality Standards (TSWQS). -
MEXICO Las Moras Seco Creek K Er LAVACA MEDINA US HWY 77 Springs Uvalde LEGEND Medina River
Cedar Creek Reservoir NAVARRO HENDERSON HILL BOSQUE BROWN ERATH 281 RUNNELS COLEMAN Y ANDERSON S HW COMANCHE U MIDLAND GLASSCOCK STERLING COKE Colorado River 3 7 7 HAMILTON LIMESTONE 2 Y 16 Y W FREESTONE US HW W THE HIDDEN HEART OF TEXAS H H S S U Y 87 U Waco Lake Waco McLENNAN San Angelo San Angelo Lake Concho River MILLS O.H. Ivie Reservoir UPTON Colorado River Horseshoe Park at San Felipe Springs. Popular swimming hole providing relief from hot Texas summers. REAGAN CONCHO U S HW Photo courtesy of Gregg Eckhardt. Y 183 Twin Buttes McCULLOCH CORYELL L IRION Reservoir 190 am US HWY LAMPASAS US HWY 87 pasas R FALLS US HWY 377 Belton U S HW TOM GREEN Lake B Y 67 Brady iver razos R iver LEON Temple ROBERTSON Lampasas Stillhouse BELL SAN SABA Hollow Lake Salado MILAM MADISON San Saba River Nava BURNET US HWY 183 US HWY 190 Salado sota River Lake TX HWY 71 TX HWY 29 MASON Buchanan N. San G Springs abriel Couple enjoying the historic mill at Barton Springs in 1902. R Mason Burnet iver Photo courtesy of Center for American History, University of Texas. SCHLEICHER MENARD Y 29 TX HW WILLIAMSON BRAZOS US HWY 83 377 Llano S. S an PECOS Gabriel R US HWY iver Georgetown US HWY 163 Llano River Longhorn Cavern Y 79 Sonora LLANO Inner Space Caverns US HW Eckert James River Bat Cave US HWY 95 Lake Lyndon Lake Caverns B. Johnson Junction Travis CROCKETT of Sonora BURLESON 281 GILLESPIE BLANCO Y KIMBLE W TRAVIS SUTTON H GRIMES TERRELL S U US HWY 290 US HWY 16 US HWY P Austin edernales R Fredericksburg Barton Springs 21 LEE Somerville Lake AUSTIN Pecos -
Flood Warning Toolset for the Medina River in Bandera County, Texas
Flood Warning Toolset for the Medina River in Bandera County, Texas Overview improve flood response and mitigation. This toolset consists of a continuous streamflow-gage monitoring network, a well- Floods are the most common natural disaster in the United calibrated hydraulic model of the Medina River, and a flood- States (Federal Emergency Management Agency, 2019). The inundation mapper application for the study area. A library of Medina River in Bandera County, Texas, is in the Edwards flood-inundation maps tied to the National Weather Service Plateau (fig. 1) (Hill, 1901), where high-intensity rain rates (NWS) river stage forecast capability is included with the and steep terrain frequently contribute to severe flash flooding toolset (National Weather Service, 2019b). capable of causing loss of life and property. For example, the July 5, 2002, flood claimed a total of 12 lives in the central Texas Creation of Flood Warning Toolset area (National Weather Service, 2019a). The estimated peak discharge during this flood at U.S. Geological Survey (USGS) streamflow-gaging station 08178880 Medina River at Bandera, Hydrologic Data Tex. (hereinafter “Bandera station”), was 159,000 cubic feet per In addition to the existing Bandera streamflow-gaging second (corresponding to a stage or gage height of 38.91 feet), station, two stage-only gaging stations equipped with the causing significant flooding in Bandera near Mud Creek (fig. 2) ability to collect rainfall measurements were installed upstream and farther downstream (fig. 3) (U.S. Geological -
Estuaries in the Balance: the Copano/Aransas Estuary Curriculum Guide
Estuaries in the Balance: The Copano/Aransas Estuary Curriculum Guide Development of this curriculum was made possible by funding from the Texas General Land Office Coast- al Management Program. The curriculum was developed and modified from “Project PORTS”, created by Lisa Calvo at Rutgers University and available at http://hsrl.rutgers.edu/~calvo/PORTS/Welcome.html. PRIMER DISCOVERING THE 1 COPANO/ARANSAS BAY SYSTEM The Copano/Aransas Estuary is the region where waters from the Mis- sion and Aransas Rivers flow into the Copano Bay, and from there, to the RELATED VOCABULARY Aransas Bay and then the Gulf of Mexico. Estuaries are dynamic sys- tems where tidal and river currents mix fresh river water with salty ocean Estuary—an area partially surrounded by land where fresh water and salt water meet. water. As a result the salt content, or salinity, of estuarine waters varies from fresh to brackish to salt water. Copano Bay, fed by the Mission and Watershed—an area of land drained by a river Aransas Rivers and Copano Creek, covers about 65 square miles. The or other body of water. Copano Bay watershed drains an area of 1,388,781 square miles. It Salinity—the salt content of water. Estuarine connects to Aransas Bay, which has an area of 70 square miles and is waters vary from fresh (no salt) to marine (salty ocean water). in turn bordered on the east by San Jose Island, a 21-mile long barrier island. Density—the mass (amount of material) in a certain volume of matter. Estuaries serve as vital habitats and critical nursery grounds for many Euryhaline—describing species which can toler- species of plants and animals. -
Flooding Along the Balcones Escarpment in Central Texas
FLOODING ALONG THE BALCONES ESCARPMENT, CENTRAL TEXAS S. Christopher Caran Victor R. Baker Bureau of Economic Geology Department of Geosciences The University of Texas at Austin University of Arizona Austin. TX 78713 Tucson. AZ 85721 A few days before the rains began to fall. a band of Tonkawa Indians that were camped in the river valley just below old Fort Griffin moved their camp to the top of one of the nearby hills. After the flood, on being asked why they moved to the top of the hill. the chief answered that when the snakes crawl towards the hills, the prairie do1s run towards the hills. and the grasshoppers hop towards the hills. it is time for the Indian to go to the hills. (Oral testimony attributed to an unnamed weather observer in Albany. Texas, following a memorable flood on the Clear Fork of the Brazos River in the late 1870's: recounted by Vance. 1934. p. 7.) ABSTRACT subbasins in Central Texas. Intense rainstorms over small watersheds throughoot the region have produced numerous High-magnitude floods occur with greater frequency in examples of discharge in excess of 100.000 cfs. Flooding the Balcones Escarpment area than in any other region of of this magnitude exacts a heavy toll from area residents the United States. Rates of precipitation and discharge per who incur the high cost of flood-control structures on trunk unit drainage area approach world maxima. The intensity streams (fig. 1). but also sustain casualties and damages of rainstorms is compounded by rapid runoff and limited associated with floods on small. -
Instream Flows April 1, 2016 Brackenridge Park
Instream Flows April 1, 2016 Brackenridge Park 2 Map 3 SAWS Reuse Water 4 Dos Rios Discharge at Brackenridge Park 10.00 Permit Limit = 10 mg/l 8.00 6.00 4.00 2.00 2.00 2.00 2.04 2.03 2.00 2.10 2.04 2.28 2.03 2.04 2.04 2.00 0.00 Mar-15 Apr-15 May-15 Jun-15 Jul-15 Aug-15 Sep-15 Oct-15 Nov-15 Dec-15 Jan-16 Feb-16 Graph Courtesy of San Antonio Water Systems 5 Erosion Over Sidewalk 6 Bridge Stops Some of the Floating Debris 7 Floating Debris 8 Lower San Antonio River Instream Flows Project Senate Bill 2 .Goal – Conduct Scientific and Engineering Studies to Determine Flow Regimes (both Water Quality , Quantity and Timing) Necessary to Support a Sound Ecological Environment .Established the Instream Flows Program Multi-Agency Team Multi-Discipline Approach Hydrology and Physical Hydraulics Processes Water Biology Quality Connectivity Stakeholder Process .Stakeholders are a critical component of the Texas Instream Flows Program. .Stakeholder meetings held 2008 Integrated Approach Flow Recommendations Flow Recommendations .Subsistence flows .Base flows (dry, average and wet) .High pulse flows .Over bank flow .Seasonal component Lower San Antonio River and Cibolo Creek Instream Flow Study Upcoming Stakeholder Process .We have: • Data • Analysis • Modeling .We need: • You! Please Save the Date Thursday, October 27, 2016 or Friday, October 28, 2016 Location: TBD Time: TBD (one will be an evening and one will be daytime) 18 Environmental Flows .Amount of water that should remain in stream or river for benefit of environment, bay, & estuary while balancing human needs. -
South Central Texas Floods October 1998
Austin/San Antonio Weather Forecast Office WEATHER EVENT SUMMARY October 1998 Floods – South Central Texas October 1998 Vehicle rescue from floodwater in San Antonio. Credit: San Antonio Express-News October 1998 Floods – South Central Texas 2 October 1998 Floods – South Central Texas 17-21 OCTOBER 1998 EVENT SUMMARY On the weekend of October 17 to 18, 1998, a pair of hurricanes over the Eastern Pacific and a near stationary cold front led to disastrous flash flooding along the Guadalupe River and over the San Antonio metro area. When heavy rains began on the morning of October 17, mid to high level moisture from the weakened remnants of Hurricane Madeline was crossing the Sierra Madre Occidental into central Texas. Meanwhile, low-level and mid-level moisture on the outer periphery of Hurricane Lester in South of Acapulco was moving across the Isthmus of Tehuantepec and up the western coast of the Gulf of Mexico toward south Texas. A cold front was expected to provide the focusing mechanism for the heavy rains, but torrential rains began to develop along the Balcones Escarpment in the early morning hours on Saturday, October 17--well ahead of the cold front. Convection developed into a nearly stationary Mesoscale Convective System (MCS) which impacted communities along the Balcones Escarpment from San Antonio to Austin with almost continuous rainfall for up to 36 hours. By Saturday afternoon, homes along the Guadalupe River from Canyon Lake to Seguin were being washed off their foundations. Over 30 inches of rain was estimated over a small area south of San Marcos in 36- hours. -
2008 Basin Summary Report San Antonio-Nueces Coastal Basin Nueces River Basin Nueces-Rio Grande Coastal Basin
2008 Basin Summary Report San Antonio-Nueces Coastal Basin Nueces River Basin Nueces-Rio Grande Coastal Basin August 2008 Prepared in cooperation with the Texas Commission on Environmental Quality Clean Rivers Program Table of Contents List of Acronyms ................................................................................................................................................... ii Executive Summary ............................................................................................................................................. 1 Significant Findings ......................................................................................................................................... 1 Recommendations .......................................................................................................................................... 4 1.0 Introduction ................................................................................................................................................... 5 2.0 Public Involvement ....................................................................................................................................... 6 Public Outreach .............................................................................................................................................. 6 3.0 Water Quality Reviews .................................................................................................................................. 8 3.1 Water Quality Terminology -
Hydrogeology, Hydrologic Budget, and Water Chemistry of the Medina Lake Area, Texas
In cooperation with the Bexar-Medina-Atascosa Counties Water Control and Improvement District No. 1, Bexar Metropolitan Water District, Texas Water Development Board, and Edwards Aquifer Authority Hydrogeology, Hydrologic Budget, and Water Chemistry of the Medina Lake Area, Texas Water-Resources Investigations Report 00-4148 Cover: Medina Dam and Medina Lake, August 1994. (Photograph by Ted A. Small, U.S. Geological Survey.) U.S. Department of the Interior U.S. Geological Survey Hydrogeology, Hydrologic Budget, and Water Chemistry of the Medina Lake Area, Texas By Rebecca B. Lambert, Kenneth C. Grimm, and Roger W. Lee U.S. GEOLOGICAL SURVEY Water-Resources Investigations Report 00–4148 In cooperation with the Bexar-Medina-Atascosa Counties Water Control and Improvement District No. 1, Bexar Metropolitan Water District, Texas Water Development Board, and Edwards Aquifer Authority Austin, Texas 2000 U.S. DEPARTMENT OF THE INTERIOR Bruce Babbitt, 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 ............................................................................................................................................................................... -
General Manager Position Profile
General Manager Position Profile Organization overview The San Antonio River Authority is an award-winning agency dedicated to preserving, protecting, and managing the resources and environment of the San Antonio River basin (Bexar, Goliad, Karnes, and Wilson counties.) It is involved in flood control, water quality, parks, wastewater services, and conservation. In 1937, the Texas legislature created what is now the San Antonio River Authority, which has authority to impose an ad valorem tax, proceeds from which can only be used for planning, operations, and maintenance. The current tax rate is set at $0.01858 per $100 assessed property valuation; average annual tax on a residential homestead is $40.20. The River Authority’s 2020-2021 budget is $374 million and it has more than 300 employees. The River Authority is governed by 12 elected directors – six from Bexar County and two each from the other counties. “Committed to Safe, Clean, Enjoyable Creeks and Rivers” is the mission statement of the River Authority. Examples of actions the River Authority has taken toward the mission statement include: Safe • Providing project management and technical expertise on flood mitigation. • Constructing, operating, and maintaining flood control dams. • Helping to update and maintain floodplain maps. • Developing predictive flood technology. • Creating and maintaining watershed master plans; partnering with other agencies in the regional watershed management program. • Managing such major projects as the San Antonio River Improvements Project (13 miles of the San Antonio River in urban San Antonio) and the San Pedro Creek Improvements Project (unique urban greenspace in downtown San Antonio). • Removing debris to maintain flow capacity of waterways.