SAWS: Expanded Carrizo Project
Aquifer Beaker

Edwards Aquifer

Aquifer Level 679.8'
7/15/19 - 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 679.8 | Year-Round Watering Hours

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Expanded Local Carrizo

Lake Dunlap

Water from Lake Dunlap, which serves northeast San Antonio, is made possible through an agreement with the Canyon Regional Water Authority (CRWA). Through this partnership of water supply districts, utilities, water supply corporations and municipalities, the authority purchases untreated surface water from Canyon Lake through the Guadalupe-Blanco River Authority.

SAWS has an agreement to receive up to 4,000 acre-feet*An acre-foot of water is equivalent to 325,851 gallons. per year of treated surface water from Lake Dunlap. Of this volume, 500 acre-feet per year has been leased to the city of Cibolo through 2018.