San Antonio Water System
Aquifer Beaker

Edwards Aquifer

Aquifer Level 665.3'
2/23/18 - 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 665.3 | Year-Round Watering Hours

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New 2017

Water Management Plan

Ensuring plentiful water supplies for generations to come.

Approved 2018-2019

Budget & Rates

Providing dependable water and sewer services while addressing aging infrastructure needs.


Sewer Projects

We're working across San Antonio to improve our wastewater system.

Learn more about the construction projects in your area.

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Sewer Construction Projects

Affordability Programs

Assistance Helps Families
Keep Water Flowing

SAWS has six programs to ease the burden of utility costs for customers who qualify. These programs help ensure all residents have access to life-sustaining water and sewer services.

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Affordability Programs

Utility Locate Service

Need to know where pipes underground are located?

SAWS provides location information about underground pipes through maps or physical markers. Both contractors and residents can request locates.

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Ethics Hotline

We take great pride knowing that you trust SAWS to provide our community with sustainable, affordable water services.

In that spirit, SAWS has launched a tool that allows the general public to report suspected unethical activity.

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Ethics Hotline

In The News

Early Morning Storms Trigger Sewer Overflow

Heavy rainfall inundates sewer system

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5K Spring Dash March 3

Calling all runners and walkers!

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Last Chance to Prune Oaks

If you want to minimize the chance of oak wilt, you'll want to prune your oak trees double-quick.

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Spring Bloom March 10

SAWS Spring Bloom is your opportunity to learn about South Texas gardening and expert landscape care — all while saving water!

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Honoring Dr. King’s Dream

SAWS employees and their families joined 100,000 San Antonians celebrating MLK Day.

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SAWS Celebrates Sewer Success With Record-Low Spills

Utility continues to invest millions to improve infrastructure.

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