Certified Backflow Testers - Greene County

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. 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.

City Name Certification Number Expiration
Cairo Adam J. Smith 13471 4/30/2026
Freehold George Madl 15299 9/30/2026
Palenville William B. Voerg 14112 10/31/2024