Total Coliform in Ohio Drinking Water
63 public water systems in Ohio have historical EPA violation records associated with total coliform in the Q2 2026 snapshot.
82
Historical Records in Ohio
63
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.