Is Chappaqua, New York tap water safe?
3 water systems report serving Chappaqua. 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.
A
New Castle/Stanwood W.D.
Serves 17,116 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Bridleside Apartments
Serves 230 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 16 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Lewisboro Commons
Serves 168 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).