Certified Backflow Testers - County Index

In New York State, individuals who test backflow prevention devices for the purpose of protecting the public water supply are required to hold a valid certification issued pursuant to 10 NYCRR Section 5-1.31. Below is a current list of New York State certified backflow prevention device testers by county. For more information on contacting any of these individuals, please contact your County Health Department or State District Office, or email the Bureau of Water Supply Protection.

Select one of the county names below to view the listing of certified backflow testers for that county. The statewide list includes certified backflow testers residing out of state.