Is Senecaville, Ohio tap water safe?
2 water systems report serving Senecaville. 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
Guernsey Co. Water Dept.
Serves 8,891 people · Surface water · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2023).
D
Byesville
Serves 5,104 people · Surface water · Full report →
3 health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).