Certified Backflow Testers - Delaware 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
Hamden Brinton D. Muller 6572 11/30/2019
Sidney Center John R. Farewell 5958 11/30/2020
South Kortright James L. Clark, Sr. 11426 5/31/2022
South Kortright John H. Keating,Jr. 4318 7/31/2021
Walton Trevor V. Dolph 11782 1/31/2020