ZIP Code 18074
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.
11
PFAS Detected
4
Above EPA Limits
2
Water Systems
295%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 208% of limit
Detected: 8.30 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 135% of limit
Detected: 5.40 ppt
SCHWENKSVILLE BOROUGH AUTH
PA1460042 High RiskWater Type
Groundwater
PFAS Detected
4
Above MCL
2
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 8.30ppt | 208% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 5.40ppt | 135% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 45700.00ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 5.30ppt | No federal limit | — | Unregulated |
AQUA PA SUPERIOR MAIN SYSTEM
PA1460085 High RiskWater Type
Surface Water
PFAS Detected
7
Above MCL
2
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 11.80ppt | 295% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 5.80ppt | 145% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 45400.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.60ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 5.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.40ppt | No federal limit | — | Unregulated |
Note: ZIP code 18074 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.