CheckPFAS

ZIP Code 62002

Low Level
Low Level PFAS Risk Level
6
PFAS Detected
0
Above EPA Limits
2
Water Systems
N/A
Highest % of MCL

IL AMERICAN-ALTON

IL1195150 Low Level
Water Type
Surface Water
PFAS Detected
4
Above MCL
0
State
Illinois
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
9600.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
17.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
6.20pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.60pptNo federal limitUnregulated

FOSTERBURG PWD

IL1195220 Low Level
Water Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Illinois
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBA
Perfluorobutanoic acid
9.30pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
3.10pptNo federal limitUnregulated
Note: ZIP code 62002 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 →