Is Willow Grove, Pennsylvania tap water safe?
2 water systems report serving Willow Grove. 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.
D
Aqua Pennsylvania (Main System)
Serves 822,600 people · Surface water · Full report →
1 health-based violation in the last 5 years; 28 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Other PFAS above 2024 limits (rule proposed for repeal): Hazard Index; Lead 90th percentile below the action level (2025).
D
Aqua Pa Hatboro
Serves 12,901 people · Surface water · Full report →
No health-based violations in the last 5 years; 60 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).