CheckPFAS

ZIP Code 18969

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

3 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

14
PFAS Detected
3
Above EPA Limits
2
Water Systems
380%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 128% of limit
Detected: 5.10 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 380% of limit
Detected: 15.20 ppt

NORTH PENN WATER AUTHORITY

PA1460034 High Risk
Water Type
Groundwater
PFAS Detected
4
Above MCL
1
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
5.10ppt
128% of limit
4 ppt⚠ Exceeds MCL
lithium
23600.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
3.40pptNo federal limitUnregulated

TELFORD BOROUGH AUTHORITY

PA1460050 High Risk
Water Type
Surface Water
PFAS Detected
10
Above MCL
2
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
15.20ppt
380% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
14.90ppt
373% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.50ppt
55% of limit
10 pptBelow limit
lithium
30700.00pptNo federal limitUnregulated
6:2 FTS
6:2 Fluorotelomer sulfonic acid
226.20pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
195.70pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
94.60pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
53.60pptNo federal limitUnregulated
Show 2 more compounds detected at low levels
PFHpAPerfluoroheptanoic acid43.50 pptNo federal limit
PFBSPerfluorobutane sulfonic acid7.40 pptNo federal limit
Note: ZIP code 18969 is served by 2 separate water utilities. Results above show data for each system independently.

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →