Aquifer Beaker

Edwards Aquifer

Aquifer Level 680.9'
4/21/17 - 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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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 680.9 | Year-Round Watering Hours


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Rates - Wholesale Water and Sewer Rates

Residential Rate Calculator

The Residential Rate Calculator can be used to help you estimate your monthly residential SAWS bill, based on projected water use and other criteria.

Calculate My Bill
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     Average Winter
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$     Annual Income

You can get an idea of how our 2017 rate adjustments will affect your monthly residential water bill. The new rates go into effect on or about Jan. 1, 2017.

Have a recent SAWS bill handy for reference.

Just key in the information requested and click the "calculate" button.

Even with the rate adjustment, San Antonio’s rates will remain among the lowest among Texas’ largest cities.

Former BexarMet Areas

Now that the former utility has been fully integrated into SAWS, customers in those service areas will begin paying SAWS rates for water service beginning in January 2017.

Use our rate calculator to estimate how the first water rate adjustment in 7 years affects your residential bill.

Note: This online calculator is for estimating purposes only. Your actual bill may vary slightly due to mathematical rounding. If you have specific questions about your bill, contact us.