Is Saint Clairsville, Ohio tap water safe?
2 water systems report serving Saint Clairsville. 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
Belmont Co. Sanitary District 3 PWS
Serves 26,822 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
D
St. Clairsville, City of PWS
Serves 5,097 people · Surface water · Full report →
3 health-based violations in the last 5 years; 11 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2026).