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.

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 681.5 | Year-Round Watering Hours

Log In

Pay Your Bill Online

Already registered? Log in now.

Forgot your password?

New User

My Account Page

No user account? No problem.

Sign Up Now



San Antonio Water System is committed to helping Small, Minority, Woman and Veteran-owned Businesses. We know that getting information on contracting opportunities or earning certification can be overwhelming, but SAWS is a resource you can depend on.

SAWS staff can help you with information on upcoming contracting opportunities, as well as help you and your business find the resources needed to get certified as an SMWVB business. Whether your business focuses on construction or other professional services, we can help you identify contracting opportunities.

We're proud to be a resource for you and your business.

We're here to help

  • Get information about contracting opportunities
  • Learn your responsibilities during the process
  • Find resource information for certification
  • Learn about our contracting process
  • Discover what type of services SAWS needs

SMWVB Resources

Contact Us

SMWVB Program Manager
P.O. Box 2449
San Antonio, TX 78298

Quick Links

Register for SAWS Vendor Notification Service

Free service provides access to:

  • New contracting opportunities
  • Plan holders lists for construction projects
  • Plans and specifications for RFQ or RFP projects
  • Your business profile in SAWS database

Register Now