Aquifer Beaker

Edwards Aquifer

Aquifer Level 681.5'
6/13/19 - 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 681.5 | Year-Round Watering Hours

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Procurement Bids
SAWS Purchasing

San Antonio Water System provides numerous purchasing opportunities for supplies, materials, equipment and services throughout the year for established businesses, new enterprises and small, minority and women-owned businesses interested in procurement with the utility.

Contact Us

Have a question or need more information?



Office Location

San Antonio Water System
Purchasing Department
2800 US Highway 281 North, 5th Floor
San Antonio, TX 78216
Telephone: 210-233-3819

Contact Our Staff

Yvonne C. Torres, Director
Telephone: 210-233-3821
Fax: 210-233-4167

Anthony Rubin, Contracting and Purchasing Specialist
Telephone: 210-233-3815
Fax: 210-233-5433

Gina Cappa, Contracting and Purchasing Specialist
Telephone: 210-233-3412
Fax: 210-233-4373


Author Sandlain, Contracting and Purchasing Specialist
Telephone: 210- 233-3955
Fax: 210-233-5367

Sandra Rios, Contracting and Purchasing Specialist
Telephone: 210- 233-2335
Fax: 210-233-4283

Rosie Baiza, Contract Coordinator
Telephone: 210-233-3819
Fax: 210-233-4488

Patricia Sims, Business Data Analyst
Telephone: 210-233-3817
Fax: 210-233-4136

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