E. coli in Drinking Water
Reference information plus historical EPA compliance records associated with e. coli.
EPA Limit (MCL)
0 presence
EPA Goal (MCLG)
0 presence
Category
Microbiological
Regulatory values are a concise reference, not legal or medical advice. Confirm the current standard and rule-specific details on EPA.gov.
Health Effects
Severe stomach cramps, diarrhea, vomiting
Common Sources
Human and animal fecal waste
Treatment Considerations for E. coli
Commonly cited treatment approaches include: Disinfection (chlorine, UV), boiling. Choose treatment only after a certified water test identifies the substance and concentration; verify NSF/ANSI certification and consult a qualified local professional when needed.
Frequently Asked Questions
What is E. coli and why can it appear in drinking-water records?
E. coli can be associated with drinking water through: Human and animal fecal waste.
What reference value does this page show?
The summarized EPA Maximum Contaminant Level is 0 presence. Some substances use action levels or rule-specific thresholds instead, so verify the current EPA standard.
Does a historical violation record mean it is in my tap today?
No. A compliance record may be historical or resolved. Use the latest Consumer Confidence Report or a certified test for current local conditions.