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IN THIS SECTION:
Main
Edwards Aquifer
Aquifer Storage & Recovery
Recycled Water
Trinity Aquifer
Western Canyon
Recharge Initiative
Brackish Groundwater Desalination
Regional Carrizo Project
Ocean Desalination
Partnership Opportunities
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First Surface Water Serves SAWS Customers in NW San Antonio
 ith a twist of the ceremonial spigot, SAWS' first-ever surface water project gushed to life in May 2006, delivering purified Canyon Lake water to customers in northwest San Antonio. The recently operational 2 million gallon tank, Winwood Tank Station, is the first storage facility for SAWS Western Canyon water project. In August 2007, the second delivery point storage facility (Oliver Ranch Water Storage Facility), near U.S. 281 North and Bulverde Road in North Central San Antonio, began receiving purified Canyon Lake water.
Project Overview
In March 1998 SAWS approved a contract with the Guadalupe-Blanco River Authority (GBRA) to buy surface water from their Canyon Lake water supply. Treated water is delivered to participants in the project in portions of Comal, Kendall, and Bexar counties. SAWS has agreed to to maintain a steady delivery rate and take additional amounts that other participants cannot take at any given time for the benefit of the project.
SAWS initially received approximately 9,000 acre-feet* per year from the Canyon Reservoir. GBRA designed, collected required data, and constructed the project to an agreed delivery point for each participant. SAWS’ initial point of delivery was the Winwood Water Tank at Interstate 10 and Fair Oaks Parkway. Water deliveries began in April 2006. SAWS’ second point of delivery was the Oliver Ranch Water Tank near U.S. 281 North and Bulverde Road. Water delivery began in August 2007.
Project Partners: Guadalupe-Blanco River Authority, SAWS, City of Boerne, City of Fair Oaks, City of Bulverde, Johnson Ranch, GBRA-Cordillera Ranch Inc., Tapatio Springs/Kendall Co. Utility Co., and Comal Trace subdivision.
Project Benefits
The Western Canyon Project is a successful alliance project between GBRA and water purveyors in Comal, Kendall and Bexar counties. This project is an additional step toward diversification of SAWS water supplies to meet future demands in the region.
Project Highlights
- The Winwood storage tank project represents a capital investment of $3.8 million, funded by SAWS customers through the monthly water supply fee.
- The Oliver Ranch Storage Tank and pump station represents a capital investment of $7 million funded by SAWS customers through the Water Supply Fee. This water storage tank/pump station serves both the Western Canyon Water Project and the Trinity Aquifer projects.
- The Western Canyon Project adds another 2.4 billion gallons per year (7,600 acre-feet per year) to San Antonio's water supply.
- SAWS initial take was 9,000 acre-feet per year prior to the smaller purveyors taking their full contracted quantity.
- SAWS will always receive a minimum of 4,050 AF/yr during the term of the contract (40-years). Over the term of the contract, SAWS average take is approximately 7,100 AF/yr.
* An acre-foot of water is equivalent to 325,851 gallons
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