CheckPFAS

ZIP Code 62025

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.

19
PFAS Detected
2
Above EPA Limits
6
Water Systems
103%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 103% of limit
Detected: 4.10 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 103% of limit
Detected: 4.10 ppt

BOND/MADISON WATER COMPANY

IL0050020 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
14.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
3.60pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.50pptNo federal limitUnregulated

EDWARDSVILLE

IL1190250 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Illinois
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBS
Perfluorobutane sulfonic acid
3.50pptNo federal limitUnregulated

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

MITCHELL PWD

IL1195210 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
PFBS
Perfluorobutane sulfonic acid
21.00pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
17.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.50pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.30pptNo 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

NORTH EAST CENTRAL PWD

IL1195280 High Risk
Water Type
Groundwater
PFAS Detected
4
Above MCL
2
State
Illinois
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
4.10ppt
103% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
4.10ppt
103% of limit
4 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
27.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.50pptNo federal limitUnregulated
Note: ZIP code 62025 is served by 6 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 →