Aquifer Beaker

Edwards Aquifer

Aquifer Level 670.3'
7/1/15 - 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 670.3 | Year-Round Watering Hours


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Interactive Pay-By-Phone

Interactive Pay-By-Phone


Click here to learn frequently asked questions on the interactive pay-by-phone service.

Your head finally hits the pillow at midnight when you remember — I forgot to pay my SAWS bill. No problem. Interactive pay-by-phone services are now available at 704-SAWS (7297).

The new service allows customers to key in their payment information using the telephone's keypad and the friendly, pre-recorded voice messages to help you through the payment process.

You can also check your account balance, verify your last payment, and confirm the most recent amount billed. Payments will still be accepted by mail, online at, or in person at 100 convenient locations, including most H-E-B stores.

There is no service fee and pay-by-phone services are available seven days a week.

To see frequently asked questions on the interactive pay-by-phone service, click here. To learn more about the all payment options SAWS has to fit your busy lifestyle, click here.