Williamson County, Illinois Water Quality
Aggregated water quality data for 25 water systems in Williamson County.
Water Systems
25
Water Systems
75K
People Served
Surface water
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBA | 0.011 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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