CheckPFAS

UPPER LEACOCK TOWNSHIP

High Risk
PWSID: PA7360140 Pennsylvania Surface Water

2 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

9
PFAS Detected
2
Above EPA Limits
2
ZIPs Served
Surface
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
9.50ppt
238% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
8.10ppt
203% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
3.70ppt
37% of limit
10 pptBelow limit
lithium
10200.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
12.40pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
9.30pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
9.10pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
6.50pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFBSPerfluorobutane sulfonic acid4.60 pptNo federal limit

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
PA7360140
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor