CheckPFAS

ZIP Code 18902

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

4 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.

16
PFAS Detected
4
Above EPA Limits
2
Water Systems
550%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 355% of limit
Detected: 14.20 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 335% of limit
Detected: 13.40 ppt

DTMA MAIN SYSTEM

PA1090128 High Risk
Water Type
Groundwater
PFAS Detected
9
Above MCL
2
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
14.20ppt
355% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
13.40ppt
335% of limit
4 ppt⚠ Exceeds MCL
PFNA
Perfluorononanoic acid
7.40ppt
74% of limit
10 pptBelow limit
lithium
15100.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
10.40pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
9.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
8.40pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
7.20pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFBAPerfluorobutanoic acid6.30 pptNo federal limit

BUCKINGHAM TWP COLD SPRING

PA1090137 High Risk
Water Type
Groundwater
PFAS Detected
7
Above MCL
2
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
22.00ppt
550% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
19.30ppt
483% of limit
4 ppt⚠ Exceeds MCL
PFPeA
Perfluoropentanoic acid
18.10pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
18.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
14.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
10.30pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
10.10pptNo federal limitUnregulated
Note: ZIP code 18902 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 →