Is Lock Haven, Pennsylvania tap water safe?
2 water systems report serving Lock Haven. 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
Suburban Lock Haven Water Auth
Serves 9,700 people · Surface water · Full report →
No health-based violations in the last 5 years; 10 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
City of Lock Haven Water Dept
Serves 8,450 people · Surface water · Full report →
No health-based violations in the last 5 years; 22 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).