SAWS Procurement Bids - Annual Contract for Sodium Hydroxide
Aquifer Beaker

Edwards Aquifer

Aquifer Level 663.7'
10/18/17 - 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.

Learn More »


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.

Learn More »


Aquifer Level 663.7 | Year-Round Watering Hours

eBill Site Maintenance

4 - 6:00 a.m.

The SAWS eBill site will be unavailable from 4 - 6:00 a.m. due to site maintenance. We apologize for the inconvenience. Please check back soon!

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.