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Help Center
Backflow Prevention
Backflow Prevention Resources
  • Approved Testers List - View a list of local plumbing contractors who are certified backflow prevention device testers authorized and registered to perform work for ACWD customers.
  • Backflow Device Installation Drawings - View ACWD backflow prevention device standard installation drawings showing the required type and location of devices, including standard specification requirements.
  • Backflow Prevention Explained - Learn about ACWD’s program to prevent contamination of the water supply from backflow or cross connection of non-potable water sources.
  • Backflow Prevention Forms - Find required backflow prevention forms, including testing applications and testing reports.
  • Backflow Prevention Regulations -  View regulations and ordinances that govern the ACWD backflow prevention program.

Contact Us
Gary Martin
Distribution Maintenance Supervisor - Backflow

43885 S. Grimmer Blvd.
Fremont, CA 94538

Ph: (510) 668-6584
Fx: (510) 687-1156

Karen Meurrens
Office Assistant - Backflow

Ph: (510) 668-6504
Fx: (510) 687-1156

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