Total Coliform in Oklahoma Drinking Water
195 public water systems in Oklahoma have historical EPA violation records associated with total coliform in the Q2 2026 snapshot.
485
Historical Records in Oklahoma
195
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.