Is Saint Marys, Ohio tap water safe?
2 water systems report serving Saint Marys. 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.
B
St Marys City
Serves 9,356 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Northview Utility Corporation PWS
Serves 87 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).