CheckPFAS

ZIP Code 19975

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
2
Water Systems
118%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 118% of limit
Detected: 4.70 ppt

SOUTH BETHANY

DE00A0323 High Risk
Water Type
Groundwater
PFAS Detected
1
Above MCL
1
State
Delaware
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
4.70ppt
118% of limit
4 ppt⚠ Exceeds MCL

BAYSIDE PUMP DISTRICT

DE00A0837 Low Level
Water Type
Groundwater
PFAS Detected
3
Above MCL
0
State
Delaware
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFPeA
Perfluoropentanoic acid
13.50pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
8.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.60pptNo federal limitUnregulated
Note: ZIP code 19975 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.

View raw EPA data →