Is Willow Street, Pennsylvania tap water safe?
2 water systems report serving Willow Street. 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
City of Lancaster
Serves 120,000 people · Surface water · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
A
Smithville MHP
Serves 166 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).