CheckPFAS

HILLTOWN TWP WATER&SEWER AUTH

High Risk
PWSID: PA1090117 Pennsylvania Groundwater

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.

6
PFAS Detected
2
Above EPA Limits
0
ZIPs Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
8.00ppt
200% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
6.80ppt
170% of limit
4 ppt⚠ Exceeds MCL
lithium
22700.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
6.60pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
5.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
5.50pptNo federal limitUnregulated
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
PA1090117
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor