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Backflow Assemblies

Backflow Assemblies

Only DCVA’s and RPBA’s are consistent with CRWSD’s Premises Isolation Cross Connection Control Program.

District Specs

University of Southern California – Foundation for Cross-Connection Control and Hydraulic Research
USC Foundation’s website is updated as changes are made to the List.

USC List of Approved Backflow Prevention Assemblies  (  https://fccchr.usc.edu/list.html )

Instructions:

  1. Click link above (or copy and paste website in new browser window)
  2. On the right under Download Now: Download: Excel (Complete List)
  3. Go to tab named “LIST”
  4. Only DCVA’s and RPBA’s are consistent with CRWSD’s Premises Isolation Cross Connection Control Program

If you have a question about a particular device, please contact the District at 425-255-6370 or email: backflow@crwsd.com.