CheckPFAS

ZIP Code 16823

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

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

4
PFAS Detected
1
Above EPA Limits
3
Water Systems
128%
Highest % of MCL

Compounds Exceeding EPA Limits

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

COLLEGE TWP. WATER AUTHORITY

PA4140082 Low Level
Water Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFPeA
Perfluoropentanoic acid
3.90pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.80pptNo federal limitUnregulated

ROCKVIEW

PA4140098 High Risk
Water Type
GU
PFAS Detected
1
Above MCL
1
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
5.10ppt
128% of limit
4 ppt⚠ Exceeds MCL

SPRING TWP WATER AUTHORITY

PA4140118 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
4.20ppt
42% of limit
10 pptBelow limit
Note: ZIP code 16823 is served by 3 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 →