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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Procurement Bids
San Antonio Water System
Bid No. 17-17016
Purchase of Various Types of Medium Duty Trucks
Due Date: 3:00 PM Thursday, 3/23/17   Status: Selection Pending Board Approval

The San Antonio Water System is soliciting bids for sodium hydroxide (both 25% and 50 %) that is ANSI/NSF standard 60 Certified, delivered in bulk to Twin Oaks Plant’s Desal Bulk Tanks at 4588 Hardy Rd, Elmendorf, Texas 78112. SAWS will require a combination of both concentrations since 50% freezes at about 55oF. SAWS will use 50% when temperatures are warm and 25% when they are cooler.
Interested Firm List
Click here to view firms who have obtained IFB bid package.