ZIP Code 60441
Moderate7
PFAS Detected
0
Above EPA Limits
3
Water Systems
92%
Highest % of MCL
JOLIET
IL1970450 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 54700.00ppt | No federal limit | — | Unregulated |
LOCKPORT
IL1970500 ModerateWater Type
Groundwater
PFAS Detected
5
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 9.20ppt | 92% of limit
| 10 ppt | Below limit |
lithium | 65000.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 8.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.30ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.20ppt | No federal limit | — | Unregulated |
CORINTH PWD
IL1995120 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Illinois
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBA Perfluorobutanoic acid | 5.60ppt | No federal limit | — | Unregulated |
Note: ZIP code 60441 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.