Only DCVA’s and RPBA’s are consistent with CRWSD’s Premises Isolation Cross Connection Control Program.
District Specs
DCVA-Specs 2 (0.2 MB)- RPBA-Specs 2 (0.2 MB)
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:
- Click link above (or copy and paste website in new browser window)
- On the right under Download Now: Download: Excel (Complete List)
- Go to tab named “LIST”
- 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.