Is Langhorne, Pennsylvania tap water safe?
6 water systems report serving Langhorne. 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).
A
Lower Bucks Co Joint Mun Auth
Serves 63,007 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Aqua Pa Bensalem
Serves 59,001 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).
F
Bcwsa Main Lower South
Serves 52,621 people · Surface water · Full report →
5 health-based violations in the last 5 years; 5 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
C
Newtown Artesian Water Co
Serves 38,500 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).
C
Pa American Water Co Yardley
Serves 33,171 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).