SAWS: Service
Aquifer Beaker

Edwards Aquifer

Aquifer Level 657.0'
9/21/17 - 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 657.0 | Stage 1: Water once a week


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San Antonio Water System strives to provide superior customer service at all times. Whether you need emergency assistance or simply have a question about your bill, we're here to help.


Welcome New Customers

Our vision for customer service involves using today's technology to engage our customers with courteous, quality and timely service.

Service Contacts & Locations

Service Contacts & Locations

Have a concern about your service or question about your account? Here's where to get the answers you need when you need them.

Do-It-Yourself Repairs

Do-It-Yourself Repairs

Water loss can happen in both common and unexpected places around your home. Our easy do-it-yourself repairs will help you fight those costly water leaks.

Plumbing Backed Up?

Plumbing Backed Up?

If your sewer line becomes clogged and toilets and drains start backing up, please call SAWS first. We may be able to save you time, money and frustration.

Frequently Asked Questions


Check here for quick answers to some of the service questions we hear most.

Commercial Programs & Rebates

Water & Sewer Rates

SAWS has some of the lowest rates in the country. Monthly water rates are based upon water usage and are determined by the type of water service received.



SAWS has several affordability programs to assist customers experiencing temporary financial hardship.

Water Pressure

Water Pressure

Find out if you have a high or low water pressure problem.