ZIP Code 62208
Low Level8
PFAS Detected
0
Above EPA Limits
3
Water Systems
N/A
Highest % of MCL
CASEYVILLE
IL1630250 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 25500.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 12.20ppt | No federal limit | — | Unregulated |
O FALLON
IL1631100 Low LevelWater Type
Surface Water
PFAS Detected
2
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 11600.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 13.00ppt | No federal limit | — | Unregulated |
IL AMERICAN-EAST ST LOUIS
IL1635040 Low LevelWater Type
Surface Water
PFAS Detected
4
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 13100.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 18.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.20ppt | No federal limit | — | Unregulated |
Note: ZIP code 62208 is served by 3 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.