Aquifer Beaker

Edwards Aquifer

Aquifer Level 658.9'
8/17/17 - 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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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 1:
Water once a week

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

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Aquifer Level 658.9 | Stage 1: Water once a week

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Procurement Bids
San Antonio Water System
Bid No. 17-16045
Annual Contract for Sodium Hydroxide
Due Date: 3:00 PM Monday, 3/27/17   Status: Selection Approved and Awarded

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.