Total Coliform in Illinois Drinking Water
13 public water systems in Illinois have historical EPA violation records associated with total coliform in the Q2 2026 snapshot.
20
Historical Records in Illinois
13
Systems With Records
About Total Coliform
- EPA Limit
- N/A
- Category
- Microbiological
- Health Effects
- Indicates possible presence of harmful bacteria
- Common Treatment Approaches
- Disinfection (chlorine, UV)
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.