Total Coliform in California Drinking Water
26 public water systems in California have historical EPA violation records associated with total coliform in the Q2 2026 snapshot.
33
Historical Records in California
26
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)
California Systems With the Most Total Coliform Records
Jicarilla Dulce
3,064 served1 historical record
A
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.