Backflow Prevention Guidelines and Forms

Submit Test and
Maintenance Reports Online

Beginning January 1, 2022 Submitting Assembly Test and Maintenance Forms (T&Ms) will only be accepted via the Web-App Portal:

Complete registration form and return with original signature along with copies of the following:

  • Driver's License
  • Current BPAT License
  • Current Gauge Certification
  • Company Info: Name, Address & Phone Numbers

Return by mail:
San Antonio Water System
c/o Backflow Prevention Section
PO BOX 2499
San Antonio, Texas 78298-2449

San Antonio Water System
Backflow Prevention Section,
4th Floor
2800 U.S. Hwy. 281 North

The document files provided below are in Adobe PDF Format unless otherwise noted, and require the Adobe Acrobat Reader to be viewed. Use the link at the bottom of this page to get the Acrobat reader.

Cross-Connection Control and Backflow Prevention Program

List of Testers and Inspectors

Guidelines and Information


For questions or concerns regarding Backflow Prevention please contact James Cantrell at
210-233-2277, email at, or contact the:

SAWS Backflow Prevention Section
2800 U.S.Hwy 281 North
Customer Service Center, Tower II
San Antonio, Texas 78212
Office 210-233-2421   |   Fax 210-233-4749