Aquifer Beaker

Edwards Aquifer

Aquifer Level 636.8'
7/24/14 - 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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Landscape Watering
Last Digit of Address Watering Day
0 or 1 Monday
2 or 3 Tuesday
4 or 5 Wednesday
6 or 7 Thursday
8 or 9 Friday
No Watering on Weekends

Stage 2:
Water On Your Day

Watering with an irrigation system or sprinkler is allowed only once a week from 7-11 a.m. and 7-11 p.m. on your designated watering day as determined by your address.

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Aquifer Level 636.8 | Stage 2: Water On Your Day

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Water Recycling

Water Recycling

Wastewater was once considered something best quickly disposed of. But in San Antonio we have learned to turn wastewater into valuable resources. We call it our environmental "trifecta" of recycled water, organic biosolids and methane gas.

San Antonio is the only U.S. city to reuse all three wastewater treatment process byproducts.

Recycled water is used locally in battery manufacturing.

Recycled Water

San Antonio boasts the largest direct recycled water delivery system in the nation.

More than 110 miles of pipeline delivers high-quality recycled water for use by golf courses, parks, commercial and industrial customers, as well as San Antonio's famous River Walk.

Compost

Biosolids, another byproduct of treating wastewater, are used in generating compost for improving soil quality in landscaping and gardening. The compost is sold commercially through local retailers and nurseries under the brand names of Gardenville Alamo Gro and New Earth Landscapers Compost.

Biogas

Biogas (mostly composed of methane) generated during the treatment process is the newest addition to our environmental trifecta.

Biogas is refined and compressed for the open market.

SAWS has partnered with Ameresco, Inc. – a national energy company focusing on renewable energy – to treat and transfer at least 900,000 cubic feet of gas per day to a nearby commercial pipeline to sell on the open market, making San Antonio the first city to utilize biogas in this unique renewable energy strategy.

Harnessing these valuable byproducts of the wastewater treatment process is beneficial for the environment – another demonstration of SAWS mission of providing sustainable, affordable water services.