Backflow Tester List

The following Backflow Prevention Device Testers are certified by the Orange County Health Care Agency, Division of Environmental Health.

Search for a local Backflow Prevention Device Tester by using one of the Search boxes below. You can also Click Here for the entire list of Backflow Prevention Device Testers (PDF file).

How to Search
Each column below is sortable, just click on the arrows at the top of each column. You can also use the search box to enter numbers, names or even partial names. Make sure to not use quotes or commas. When ready, press the enter or return key to see the results.