Aquifer Beaker

Edwards Aquifer

Aquifer Level 640.8'
5/24/13 - 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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Landscape Watering
Last Digit of Address Watering Day
0 or 1 Monday
2 or 3 Tuesday
4 or 5 Wednesday
6 or 7 Thursday
8 or 9 Friday
No Watering on Weekends

Stage 2:
wtr on ur day

Watering with an irrigation system or sprinkler is allowed only once a week from 7-11 a.m. and 7-11 p.m. on your designated watering day as determined by your address.

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Aquifer Level 640.8 | Stage 2: wtr on ur day

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The SAWS eBill site will be unavailable from 4 - 6 a.m. due to site maintenance. We apologize for the inconvenience. Please check back soon!

Pay-by-phone

210-704-SAWS (7297)

Pay-by-phone services are available 24 hours, seven days a week. Just call 210-704-SAWS (7297).


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New Water Resources

Regional Carrizo

Regional Agreement Saves SAWS $88 million in Capital Costs


In 2010, SAWS was awarded permits by the Gonzales County Underground Water Conservation District to pump 11,688 acre-feet of water from the Carrizo Aquifer in Gonzales County.

By February 2011, SAWS had signed a regional partnership agreement with the Schertz-Seguin Local Government Corporation to rent transportation capacity in its existing pipeline, and to purchase surplus water supplies from the neighboring cities.

The partnership agreement provides up to an additional 5,500 acre-feet of annual water supply for San Antonio, and allows SAWS to save $88 million on the construction of a pipeline it no longer needs.

Originally proposed to reach south San Antonio at the SAWS Aquifer Storage and Recovery Facility, Carrizo Aquifer supplies will now be delivered earlier than expected to an existing SAWS pump station in northeast Bexar County.

The Regional Carrizo Water Supply Project is now scheduled in the Short-Range Program, delivering up to 17,200 acre-feet per year starting in 2013.

* An acre-foot of water is equivalent to 325,851 gallons

Next:   Brackish Groundwater Desalination