Aquifer Beaker

Edwards Aquifer

Aquifer Level 671.5'
5/25/17 - Official

The Edwards aquifer and its catchment area in the San Antonio region is about 8,000 square miles and includes all or part of 13 counties in south-central Texas.

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Year-Round Watering Hours

Watering with an irrigation system or sprinkler is allowed any day of the week before 11 a.m. or after 7 p.m.

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Aquifer Level 671.5 | Year-Round Watering Hours

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Industry-leading Innovation

When it comes to thinking "outside the box," San Antonio leads the nation in innovation–from novel water conservation programs to developing new, sustainable water resources.

  • Our water conservation efforts are among the best in the nation, boasting a record-low GPCD (gallons per capita per day) of 121. Innovative use of coupons and rebates encourage residential customers to reduce their amount of grass or to retire their irrigation systems. Free irrigation and landscape consultations result in millions of gallons of water saved each year.
  • When fully complete, San Antonio will have the largest inland desalination plant in the country, delivering 25 million gallons of drinking water per day.
  • San Antonio boasts the largest direct recycled water delivery system in the nation. We also recycle our biosolids to produce compost that is sold commercially. AND we sell the biogas on the open market that is generated during the treatment process. San Antonio is the only U.S. city to reuse all three wastewater treatment process byproducts.
  • SAWS stores excess Edwards Aquifer drinking water during rainy times in a large-scale underground water storage facility in south Bexar County for use during our dry South Texas summers. We recently eclipsed the 100,000 acre-feet mark–that's about 33 billion gallons of drinking water for future use!