Aquifer Beaker

Edwards Aquifer

Aquifer Level 646.0'
9/1/15 - 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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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 646.0 | Stage 2: Water On Your Day

eBill Site Maintenance

4 - 6:00 a.m.

The SAWS eBill site will be unavailable from 4 - 6:00 a.m. due to site maintenance. We apologize for the inconvenience. Please check back soon!


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Water Quality

Water Quality

SAWS' long-term commitment to providing our customers with excellent drinking water has been proven through the years. San Antonio has been rated as having a superior water system by the Texas Commission on Environmental Quality since 1936.

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Water Quality Report

It's normal for all drinking water to contain trace amounts of minerals and other substances. Find out exactly what is in your superior-quality water supply.

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Clean Water 101

It's easy to take water for granted. But what you put down storm drains or down the drain could eventually re-enter the water cycle. That's not a pretty thought.

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Protecting Our Water Quality

SAWS water quality protection program is one of the most aggressive in the state. SAWS implements policies that prevent, detect and reduce environmental pollution in our drinking water supplies, streams and rivers.

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Water Quality Concerns

SAWS has a long-term commitment to providing our customers with excellent drinking water, which has been proven through the years.

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