Backflow testing in Chino, CA

Certified backflow prevention assembly testers approved by Chino Basin Water Conservation District. Annual testing is required — find a local pro today.

Now accepting listingsSan Bernardino County, CA

Agency-approved testers serving Chino

Every tester below is on a local water-agency approved list. Claimed & verified businesses appear first; the rest can be reached at their agency-published number.

CB
1 st Choice Backflow Testing & Serviceon City of San Bernardino Municipal Water's approved list · Aug 2026

Chino, CA(909)631-4199

AB
Approved Backflowon City of San Bernardino Municipal Water's approved list · Aug 2026

Chino, CA(909)576-3410

Backflow testing requirements in Chino

Property owners in Chino served by Chino Basin Water Conservation District are required to have their backflow prevention assemblies tested annually. If you've received a testing notice, a certified tester can complete the test and file your results directly with your water agency — keeping your property compliant with no paperwork on your end.

Chino zip codes served: 91708, 91710