CheckPFAS

ZIP Code 19102

High Risk
High Risk PFAS Risk Level

PFAS 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.

8
PFAS Detected
2
Above EPA Limits
1
Water System
203%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 203% of limit
Detected: 8.10 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 150% of limit
Detected: 6.00 ppt
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PHILADELPHIA WATER DEPARTMENT

PA1510001 High Risk
Water Type
Surface Water
PFAS Detected
8
Above MCL
2
State
Pennsylvania
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
8.10ppt
203% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
6.00ppt
150% of limit
4 ppt⚠ Exceeds MCL
PFNA
Perfluorononanoic acid
4.50ppt
45% of limit
10 pptBelow limit
PFBS
Perfluorobutane sulfonic acid
10.00pptNo federal limit—Unregulated
PFPeA
Perfluoropentanoic acid
9.90pptNo federal limit—Unregulated
PFHxA
Perfluorohexanoic acid
9.10pptNo federal limit—Unregulated
PFBA
Perfluorobutanoic acid
7.60pptNo federal limit—Unregulated
PFHpA
Perfluoroheptanoic acid
3.30pptNo federal limit—Unregulated

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 →