ZIP Code 19608
High RiskPFAS 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
3
Water Systems
410%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 410% of limit
Detected: 16.40 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 163% of limit
Detected: 6.50 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 102% of limit
Detected: 10.20 ppt
SHILLINGTON MUNI AUTH
PA3060067 Low LevelWater Type
Surface Water
PFAS Detected
3
Above MCL
0
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 6.60ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.30ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.80ppt | No federal limit | — | Unregulated |
PAW PENN DISTRICT
PA3060069 High RiskWater Type
Groundwater
PFAS Detected
9
Above MCL
3
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 16.40ppt | 410% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 6.50ppt | 163% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 10.20ppt | 102% of limit
| 10 ppt | ⚠ Exceeds MCL |
lithium | 19700.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 30.40ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 22.30ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 10.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 8.40ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFBSPerfluorobutane sulfonic acid | 4.90 ppt | No federal limit |
WERNERSVILLE MUNI WATER AUTH
PA3060076 High RiskWater Type
Surface Water
PFAS Detected
4
Above MCL
1
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 4.20ppt | 105% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 4.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.30ppt | No federal limit | — | Unregulated |
Note: ZIP code 19608 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.