City of Manhattan Water (Public Utilities): backflow testing rules
Serves Manhattan. Every point below comes from City of Manhattan Water (Public Utilities)'s own pages, linked; check your notice for your own deadline.
Who must test
- Hazards needing preventers include fire sprinkler lines, lawn sprinklers, boilers and carbonated beverage dispensers. Source.
- City requires yearly testing of prevention devices by a certified testing provider. Source.
How the report is filed
- Form: manhattanks.gov (Backflow Prevention Assembly Field Test Report). Source.
- City field test report form. Source.
Tester registration
- The list is a consumer reference, not complete, and not an endorsement. Source.
Approved testers
- Reference list only; the city does not endorse. Source.
Program
- Irrigation & Backflow page covers backflow prevention and required yearly testing. Source.
Also
- From the city's backflow information PDF. Source.
Read October 6, 2026. Program page: manhattanks.gov.