E. coli
MicrobiologicalNo safe level (MCLG 0)MCL0.0 MPN
MCLG0.0 MPN
Legal limit and health goal
MCL — Maximum Contaminant Level
The enforceable legal limit. Public water systems must keep levels at or below this number. Violation triggers a public notice requirement.
0.0 MPNMCLG — Maximum Contaminant Level Goal
The non-enforceable health goal set by the EPA. For known or probable carcinogens the MCLG is zero — no level of exposure is considered without risk.
0.0 MPNRepresentative sample reading
Illustrative value at approximately 50% of MCL
E. coliMicrobiological
0.0MPN
| Contaminant | Measured value | MCL | Status |
|---|---|---|---|
| E. coli | 0.0 MPN | 0.0 MPN | Well within limit |
Health effects
Indicates fecal contamination; can cause severe GI illness, dangerous for vulnerable groups.
Filters verified to reduce E. coli
No filter in our registry currently holds an independent NSF/ANSI health certification for this contaminant.
Browse the full filter registry →Utilities currently reporting exceedances
No utilities in our current coverage are reporting an exceedance for this contaminant.