Is Thornwood, New York tap water safe?
2 water systems report serving Thornwood. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
C
Kensico Water District
Serves 17,917 people · Surface water · Full report →
2 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
C
Old Farm Hill Water District
Serves 1,768 people · Surface water · Full report →
2 health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).