San Antonio River Authority Library

SARA Library

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SARA Fact Sheets

SARA Position Papers

San Antonio River Walk Trail Map and Brochure

***TRAIL CLOSURE NOTICE*** Due to construction at Pearl, the east bank of the River Walk along the Museum Reach hike and bike trail from the Pearl Park Amphitheater stage through Camden St. will be temporarily closed beginning Monday, March 3 until further notice. Heading south from Pearl, patrons can cross over the river at the turning basin footbridge near Grayson St. and continue south on the trail along the west bank of the river and cross back over the river at the Roy Smith St. pedestrian bridge. Conversely, those traveling north from downtown should cross over from the east bank at the Roy Smith St. pedestrian bridge and travel northward along the west bank trail until reaching the turning basin footbridge near Grayson St. Click here for a map reflecting the closure for your convenience.

SARIP Printable MapSARIP Full Map SARIP Brochure

SARA Parks Master Plans

Basin Summary Reports

2008 Basin Summary Report

pdf 2013 BASIN SUMMARY REPORT

The San Antonio River Basin Summary Report provides an overview of monitoring and assessment activities in the San Antonio River Basin. The report was prepared by SARA staff in coordination with the Texas Commission on Environmental Quality (TCEQ) and in accordance with the State's guidelines. The report presents a ten-year history of the levels of bacteria, nutrients, aquatic life use, and other water quality parameters at over 180 sites throughout six watersheds in the basin, covering the period December 2000 through November 2010.

2008 Basin Summary Report

pdf 2008 BASIN SUMMARY REPORT

The San Antonio River Basin Summary Report provides an overview of monitoring and assessment activities in the San Antonio River Basin. The report was prepared by SARA staff in coordination with the Texas Commission on Environmental Quality (TCEQ) and in accordance with the State's guidelines. The report presents a ten-year history of the levels of bacteria, nutrients, aquatic life use, and other water quality parameters at over 40 sites throughout six watersheds in the basin, covering the period January 1997 through August 2007.

2003 Basin Summary Report

pdf 2003 BASIN SUMMARY REPORT

The San Antonio River Basin Summary Report provides an overview of monitoring and assessment activities in the San Antonio River Basin. The report was prepared by SARA Environmental Services Department staff in coordination with the Texas Commission on Environmental Quality (TCEQ) and in accordance with the State's guidelines. The report presents a five-year history of the levels of bacteria, nutients, aquatic life use, and other water quality parameters at over 50 sites throughout six watersheds in the basin, covering the period January 1998 through December 2002. Trend analysis was performed on data covering a ten-year period, from January 1993 through December 2002.

A demanding regime of guality assurance and quality control procedures was developed to ensure that all data developed by the program would be stastically valid, legally defensible, and comparable to data collected from other watersheds in the State. The report provides a program overview, explains water quality and monitoring results, lists the monitored stream reaches, and summarizes the status of water quality within the San Antonio River Basin.

The San Antonio River Basin Summary Report is available in pdf format and broken into sections below.

pdf 1. Cover and Index
pdf 2. Executive Summary
pdf 3. Introduction
pdf 4. Public Involvement
pdf 5. Basin Overview
pdf 6. Technical Summary
pdf 7. Conclusions and Recommendations
pdf 8. Appendix A
pdf Complete Report

Basin Highlights Reports

The Basin Highlights Report provides annual updates of the findings and activities conducted by San Antonio River Authority for the San Antonio River Basin in cooperation with the Texas Commission on Environmental Quality (TCEQ) under the State of Texas Clean Rivers Program (CRP). This report includes an overview of basin water quality monitoring activities; a review of water quality data; a discussion of activities and findings for special studies; maps showing the location of sampling sites; a discussion of participation of other organizations in the basin monitoring program; and public outreach activities.

2010 Basin Highlights Report pdf 2012 BASIN HIGHLIGHTS AND CHARACTERIZATION REPORT
2010 Basin Highlights Report pdf 2011 BASIN HIGHLIGHTS REPORT
2010 Basin Highlights Report pdf 2010 BASIN HIGHLIGHTS REPORT
2009 Basin Highlights Report pdf 2009 BASIN HIGHLIGHTS REPORT
2007 Basin Highlights Report pdf 2007 BASIN HIGHLIGHTS REPORT

Environmental Monitoring Projects and Studies

Upper San Antonio River TMDL Implementation Plan

A portion of the Upper San Antonio River, Segment 1911, has been identified by the Texas Commission on Environmental Quality (TCEQ) as impaired due to bacteria levels that exceed the state criteria for contact recreation. Also identified as impaired due to bacteria are Salado Creek, Segment 1910, a tributary of the Upper San Antonio River, and Walzem Creek, Segment 1910A, a tributary of Salado Creek. The urban environment surrounding the Upper San Antonio River has many potential sources of bacteria. The ultimate source of these bacteria is fecal matter originating from warm blooded animals (wildlife, pets, livestock, and humans). Bacteria from these sources can reach the San Antonio River through numerous potential pathways. The objective of this report is to identify and assess potential sources of bacteria, and to evaluate Best Management Practices that can be used to control those sources.

pdf BMP Assessment Report Update

pdf Data Evaluation Report


Instream Flows Study of the Lower San Antonio River and Lower Cibolo Creek Interim Progress Report and Instream Flow Recommendations

In 2001, the 77th Texas Legislature enacted Senate Bill 2 establishing the Texas Instream Flows Program (TIFP). The purpose of this program is to perform scientific studies to determine the timing and flow requirements necessary to maintain a sound ecological environment in Texas Rivers. The State Legislature tasked the Texas Parks and Wildlife Department, Texas Commission on Environmental Quality and the Texas Water Development Board to work with stakeholders to develop instream flow recommendations that will maintain a sound ecological environment for both the instream and riverine habitats.

The San Antonio River Authority has been working with the State Agencies on the Lower San Antonio River and Cibolo Creek Instream Flows Program. Technical data collected and evaluated to date, are presented in the report below: Instream Flows Study of the Lower San Antonio River and Lower Cibolo Creek – Interim Progress Report and Instream Flow Recommendations.

pdf View Report

pdf View Study Design

pdf View HWY 77 Information

TIFP Contracted Reports:

pdf Channel Change on the San Antonio River:

Floodplain Lake Formation and Dynamics in the Lower Reaches of Large Texas Coastal Plain Rivers: Brazos, Guadalupe, and San Antonio Rivers:

pdf Geomorphic Classification of the Lower San Antonio River, Texas:

pdf Habitat Requirements of the Golden Orb (Quadrula aurea):

pdf Large woody debris in the lower San Antonio River:

pdf Lower San Antonio River Watershed Instream Collection Summary Report:

Microhabitat Utilization and Fish Survey of the Guadalupe River, San Antonio River, Cibolo Creek:

pdf Riparian Productivity in Relation to Stream Dynamics Along Two Rivers: San Antonio and Brazos, in Central /South Texas:

pdf Sediment Transport Modeling of Channel Scale Geomorphic Processes:


Leon Creek, Segment 1906 TMDL for Dissolved Oxygen and Bacteria Impairments:

The draft 2008 TCEQ 303(d) List (March 19, 2008) identified several assessment units in the Lower Leon Creek as being impaired based on the state’s contact recreation (bacteria) and high aquatic life (dissolved oxygen) use criterion. In response to these conditions, the TCEQ Total Maximum Daily Load Program in partnership with the San Antonio River Authority (SARA)initiated a project to verify depressed dissolved oxygen and develop information necessary to support a bacterial (E. coli) Total Maximum Daily Load (TMDL) in the Lower Leon Creek, Segment 1906.

The specific objectives of the Leon Creek Segment 1906 TMDL for Dissolved Oxygen and Bacteria Impairments, TCEQ contract number 582-8-80193 were to: (1) Collect targeted 24 hour dissolved oxygen data in order to verify the water quality impairment and overall organic loading; (2) Collect targeted bacterial data in order to establish source of impairment and over loading; (3) Conduct modeling and assessment activities required to allocate loading; (4) Provide technical assistance to the TCEQ in the evaluation of actions necessary to achieve the recommended loading allocations, and; (5) Document, compile, and summarize technical analyses in reports to the TCEQ. There were two phases to this project; Phase I addressed dissolved oxygen deficiencies in Leon Creek, Phase II addressed excessive bacteria concentrations.

pdf View Report


BACTERIOLOGICAL ASSESSMENT OF THE LOWER SAN ANTONIO RIVER

Citizens in the lower portion of the San Antonio River Watershed have expressed concerns about bacteria levels in the San Antonio River and asked that the San Antonio River Authority address their concerns. Many felt that the City of San Antonio was the principle source of the bacterial concerns on the lower San Antonio River (Segment 1901). However, since water quality data showed that the stream standard for contact recreation was generally being met at sites on the San Antonio River from I-37 in Bexar County to FM 791 in Karnes County , it was likely that the concerns identified in the lower portion of the River had other sources. Therefore, this study was designed to concentrate its limited resources on Segment 1901.

Segment 1901 encompasses the area from the confluence with the Guadalupe River in Refugio and Victoria Counties to a point approximately 600 meters downstream of the FM 791 bridge near Falls City , Texas in Karnes County . Limited fecal coliform bacteria data has identified several areas where the State stream standard for contact recreation has occasionally not been met in this segment, and the segment has been placed on the Texas 2002 Clean Water Act Section 303(d) List of impaired water bodies.

This study was designed to collect and analyze surface water samples from the lower San Antonio River in order to identify reaches that may, or may not, be meeting the State stream standard for contact recreation, and attempt to identify the source(s) of bacterial contamination.

pdf View Report

May 2003 - April 2004 Supporting Data

12789 San Antonio River at US 77, on Refugio-Victoria County Line
12790 San Antonio River FM 2506 East of Fannin
12791 San Antonio River Bridge on US 77-A and 183 Southeast of Goliad
12793 San Antonio River at SH 239 West of Charco
12794 San Antonio River at SH 72 near Runge
12795 San Antonio River at SH 80, Southwest of Helena
12796 San Antonio River at FM 81 at Hobson
12879 San Antonio River at FM 791 Southwest of Falls City
17858 San Antonio River at US 59 4.6 km Southwest of Goliad, Texas
17859 San Antonio River at Riverdale Rd 15 km West of Goliad, Texas
17860 San Antonio River at Karnes CR 326 12.8 km Downstream of SH 80 Northeast of Kenedy, Texas
17861 San Antonio River at SH 123 5.8 km North of Karnes City, Texas
17862 San Antonio River at US 181 0.5 km Southeast of Falls City, Texas

INVENTORY OF FISHES AT SAN ANTONIO MISSIONS NATIONAL HISTORICAL PARK (SAAN)

Under contract to the National Park Service, biologists of the San Antonio River Authority Environmental Services Department conducted a series of fish collections at representative sites along watercourses in or adjacent to the San Antonio Missions National Historical Park properties in Bexar and Wilson counties, Texas . Fishes were collected from October 2003 to September 2004 at five sites along the San Antonio River and at three tributary sites utilizing electro-fishing and seining techniques. Fish community composition, habitat and water quality were evaluated. The survey collected 27 species totaling 4912 individuals.  Non-native species collected during this survey made up 37% of all species collected and 36% of all individuals collected. The survey was able to document 69% of the fishes previously collected from the Upper San Antonio River and collected four species (Notropis Buchanani, Notropis texanus, Notropis amabilis, Tilapia zilli) not previously listed by the San Antonio River Authority.  No darter species or species of management concerns were collected.  The San Antonio River Authority developed an inventory of fishes collected from streams within or adjacent to San Antonio Missions National Historical Park properties as a project deliverable to the National Park Service.

pdf View Report


Linking Freshwater Inflows and Marsh Community Dynamics in San Antonio Bay to Whooping Cranes

SAGES ReportFrom 2002 through 2009, faculty and students from the Department of Wildlife and Fisheries Sciences at Texas A&M University conducted field, laboratory, and modeling studies to investigate the diet, behavior, and habitat of the whooping crane (Grus americana) at Aransas National Wildlife Refuge (ANWR), Texas. During this period the research team also conducted complementary studies of environmental conditions in San Antonio Bay. The project was called the San Antonio Guadalupe Estuarine System (SAGES) project, and was funded primarily by the Guadalupe Blanco River Authority and the San Antonio River Authority, with additional support provided by the San Antonio Water System and the Texas Water Development Board. The U.S. Fish and Wildlife Service provided in-kind support through lodging, the use of boating facilities, and other logistics.

pdf View Report


WATERSHED PROTECTION PLAN

The San Antonio River Authority (SARA) is working in conjunction with the City of San Antonio, Bexar County and other partners to develop a basin wide Watershed Protection Plan (WPP). A WPP would serve as a guide to address non-point source pollution. The overall water quality goal of the implemented WPP is to reduce bacteria levels so that the uppermost reach of the Upper San Antonio River is compliant with the State Water Quality Stream Standards. Phase I of the WPP will compliment the Total Maximum Daily Load (TMDL) activities by establishing the framework needed for implementation through public outreach, awareness, and input efforts, as well as collaboration with partners and stakeholders.

Residential Water Supply & Water Quality Reports

2012

2012 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Creekwood Water Estates

2012 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Seven Oaks Water Supply

2012 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Fannin Community

2012 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Goliad County WSC—Berclair Water

2012 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Goliad County WSC—La Bahia

2011

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Moss Woods Subdivision Water System

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Creekwood Water Estates

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Seven Oaks Water Supply

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Fannin Community

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Goliad County WSC—Berclair Water

2011 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Goliad County WSC—La Bahia

2010

2010 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Moss Woods Subdivision Water System

2010 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Creekwood Water Estates

2010 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Seven Oaks Water Supply

2010 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Fannin Community

2010 Annual Drinking Water Quality Report (Consumer Confidence Report):
pdf Goliad County WSC—Berclair Water

Financial Information

Eagle Ford Shale Best Practices Handbook

Natural Channel Design Protocol

San Antonio River Basin Regional Modeling Standards

Creek Book

The San Antonio River Authority (SARA) recently developed a handbook for residents of the San Antonio River Basin that promotes individual environmental stewardship and appreciation of the San Antonio River and its tributaries.

Intended for rural landowners and urban residents throughout the entire San Antonio River Basin, the book focuses on how to modify everyday behaviors and practices to improve water quality, minimize waste and reduce consumption of natural resources. SARA developed this manual to raise awareness of the commonly underestimated effects of non-point source pollution on water quality and the importance of healthy creeks in our ecosystem.

The Creek Book covers many important and interesting tips, facts and topics:

  • An introduction to the concept of inter-connected watersheds
  • Typical characteristics of healthy and impaired creeks (specific to our basin)
  • Tips for preventing pollution
  • Proper disposal of hazardous waste
  • Methods and benefits of wastewater treatment
  • Preventing soil erosion and protecting stream flow
  • Native plants and wildlife found in our basin
  • Recycling information
  • Natural alternatives to potentially harmful commercial products

The Creek Book will be distributed at events, meetings or workshops in which SARA participates. The goal of this manual is to educate as many residents of the basin as possible so that each person can contribute to protecting and preserving our shared creeks for future generations. To receive your free copy of SARA’s Creek Book, contact Kim Garcia at 210-302-3200 or download the PDF by clicking the link below.

The Creek Book was developed with the residents of the San Antonio River Basin in mind.

The Creek Book is printed with soy based ink on recycled paper, utilizing 50% alternative fibers (such as bagasse and bamboo) and 50% post-consumer fibers, free from chlorine processing and produced with 100% renewable green energy.

Land Use Applications and Documents

Nature-Based Park Resources Plan

In the Spring of 2004, the San Antonio River Authority commissioned a planning study entitled "The San Antonio River Basin Plan for Nature-Based Park Resources." Phase I was adopted by the SARA Board of Directors on February 16, 2005. Phase II was initiated in the Spring of 2005, andwas adopted by the Board of Directors on April 19, 2006. The plan promotes a regional approach to park planning and conservation of the San Antonio River Basin’s natural resources. This approach leads to a greater level of coordination among park-planning agencies, reduces funding competition and strengthens park project grant applications from the various governmental entities in the basin.

Click Here for More Information

The San Antonio River Basin Plan for Nature-Based Park Resources

pdf SARA Nature-Based Plan Update May 2013

pdf Appendix A:

Canoe Trail Goliad Phased Development Plan

Working with SARA, Canoe Trail Goliad has completed a Phased Development Plan for future access sites and extensions of the Goliad Paddling Trail along the San Antonio River in Goliad County. View the Canoe Trail Goliad Phased Development Plan.

May 2013 Flood Analysis Report

Download the 2013 Flood Analysis Report

This 2D model video simulation created by the San Antonio River Authority (SARA) uses Federal Emergency Management Agency (FEMA) approved Digital Flood Insurance Rate Maps (DFIRMs) to simulate the May 25, 2013 flood event. The simulation was validated with on the ground survey work following the flood event. The simulation shows how the backwater conditions forming at the confluence of the San Antonio River and Minita Creek interacted with the flow in the San Antonio River causing the river to overtop a berm constructed on private property and flood the Espada Road neighborhood.

National Park Service Recreational Feasibility Study

A Vision of Opportunities

Identifying Spanish Colonial Routes and Recreational Connections between Historical and Community Resources

A Feasibility Study conducted by the National Park Service, in partnership with the San Antonio River Authority

Download the NPS Feasibility Study