San Antonio Water System
Aquifer Beaker

Edwards Aquifer

Aquifer Level 664.3'
1/12/18 - 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 664.3 | Year-Round Watering Hours

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WINTER WEATHER UPDATE: Due to predicted winter storm conditions, SAWS offices will close Tuesday, Jan. 16.
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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.

Find out if you qualify »

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

Winter Weather Update

Due to predicted winter storm conditions, SAWS offices will close Tuesday, Jan. 16. All nonessential employees should not report.

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SAWS Closed Monday for Martin Luther King Jr. Day

Offices and customer centers closed; emergency services still running.

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Gather Your Expired Medications

Collection Event is Jan. 27

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Protect Pipes, Pets & Plants from Freezing Temperatures

Freezing temps can damage your pipes.

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Reminder of New Rates for 2018

A rate adjustment approved by San Antonio City Council in December 2017 takes effect Jan. 1, 2018.

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SAWS Tapped for Leading Utilities of the World

San Antonio Water System is now the only utility in Texas — and one of a handful in the nation — to join the ranks of the Leading Utilities of the World, an exclusive global network of water and wastewater utilities.

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