ZIP Code 19486
High RiskPFAS above EPA limits detected
2 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.
12
PFAS Detected
2
Above EPA Limits
2
Water Systems
325%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 325% of limit
Detected: 13.00 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 278% of limit
Detected: 11.10 ppt
NORTH WALES WATER AUTHORITY
PA1460048 High RiskWater Type
Groundwater
PFAS Detected
10
Above MCL
2
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 13.00ppt | 325% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 11.10ppt | 278% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFNA Perfluorononanoic acid | 5.60ppt | 56% of limit
| 10 ppt | Below limit |
PFHxS Perfluorohexane sulfonic acid | 3.70ppt | 37% of limit
| 10 ppt | Below limit |
lithium | 9650.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 9.30ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 8.10ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.80ppt | No federal limit | — | Unregulated |
Show 2 more compounds detected at low levels
| PFBSPerfluorobutane sulfonic acid | 6.40 ppt | No federal limit |
| PFHpAPerfluoroheptanoic acid | 5.80 ppt | No federal limit |
MERCK AND CO INC
PA1461065 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Pennsylvania
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 21700.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.40ppt | No federal limit | — | Unregulated |
Note: ZIP code 19486 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.