Is Coal City, Illinois tap water safe?
2 water systems report serving Coal City. Your water depends on which one serves your address. Check your bill if unsure.
C
Coal City
Serves 5,845 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 8 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
B
Prairie Oaks Ests Homeowners Assn
Serves 107 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 4 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).