Aquifer Beaker

Edwards Aquifer

Aquifer Level 658.4'
8/21/17 - 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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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 1:
Water once a week

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

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Aquifer Level 658.4 | Stage 1: Water once a week


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Heavy Storms Result in Several Sewer Overflows

San Antonio Water System crews are responding to three sewer spills that occurred today as a result of the heavy rainfall from storms that began this morning. The spill amounts are estimated to have exceeded the need for public notice.

The spills occurred on Chappie James Way Road at Lackland AFB, on the 6600 block of Swiss Oak Drive, and on the 800 block of Valley Hi Drive. No adverse effects are expected to Leon Creek since the spills were heavily diluted by storm water.

SAWS is spending nearly $142 million in 2017 to replace and upgrade sewer lines throughout San Antonio. For an interactive map and details on 2017 project construction, visit SAWS new website at


See TCEQ Notice (pdf) for more details.

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