San Antonio Water System
Aquifer Beaker

Edwards Aquifer

Aquifer Level 685.4'
11/15/18 - 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 685.4 | Year-Round Watering Hours

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Game-changing Water Project


Largest non-Edwards Aquifer supply in city's history

Report Water or Sewer

(613) 756-7153

Call 210-704-7297

Developer and Permitting Tools

New Online Services Available

Apply for permits, pay impact fees and check permit status online.

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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

Uplift Helps Families
Keep Water Flowing

Having trouble paying your water bill? Your neighbors at SAWS are here to help ease the burden of utility costs for qualifying customers.


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.



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

Protecting Your Pipes and Plants from Freezing Temperatures

Investing a little time or money now can help prevent costly plumbing repairs.


Agua Vista Coming Into Focus

The delivery site for the largest non-Edwards Aquifer water supply in San Antonio’s history now has a name — Agua Vista!


Uplift: Helping Neighbors in Need

In times of difficulties, don't let your monthly water bill add to your stress. Uplift is here to help.


How to Lower Your Monthly Sewer Service Charge

Wouldn’t it be great if you had a say in how much you’re charged for your monthly sewer service? Wait a minute, you actually do!

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Grease and Wipes Clog Pipes

When it comes to cleaning up your holiday feast leftovers, whatever you do — don’t dump the scraps down the drain!

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SAWS Offices Close for Holidays

SAWS offices and payment centers will close for the Thanksgiving, Christmas, and New Year's holiday.

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SAWS Earns Top Workplaces Honor...Again

San Antonio Water System is more than just an industry-leading utility. It’s also a great place to work.

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(203) 721-9267

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