Backflow testing in Corona, CA

Certified backflow prevention assembly testers approved by Corona Department of Water and Power. Annual testing is required — find a local pro today.

Now accepting listingsRiverside County, CA

Agency-approved testers serving Corona

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.

AF
Amazing Force Plumbing & Backflowon City of San Bernardino Municipal Water's approved list · Aug 2026

Corona, CA(323) 973-9272

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Backflow testing requirements in Corona

Property owners in Corona served by Corona Department of Water and Power 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.

Corona zip codes served: 92877, 92878, 92879, 92880, 92881, 92882, 92883