Microbial
Total Coliform
Contaminant Overview and Health Effects
EPA Maximum Contaminant Level (MCL)
0 organisms/100mL
Legal limit set by the EPA
Contaminant Code
COLIFORM
Health Effects
Indicator of other potentially harmful bacteria
Common Sources
1
Human and animal waste 2
Soil erosion 3
Decaying vegetation âšī¸ About This Data
Information about Total Coliform is based on EPA Safe Drinking Water Act (SDWA) regulations. The Maximum Contaminant Level (MCL) is the highest level of a contaminant that is allowed in drinking water.