Aquifer Beaker

Edwards Aquifer

Aquifer Level 660.7'
11/25/15 - 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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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 660.7 | Stage 2: Water On Your Day


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Questions regarding SAWS or the application process?

Contact us at or visit us on the Web at

To speak to a representative who can assist you with the application process over the phone, call 210-233-2025.

Kiosks are also available to apply for jobs at our central headquarters location. Applications can be completed Monday - Friday, 8 a.m. – 3 p.m.

San Antonio Water System - Customer Center
2800 U.S. Hwy 281 North
P.O. Box 2449
San Antonio, TX 78298-2449

For a map to SAWS Customer Center Building, click here.