Microbial · 2024
Escherichia coli (E. coli) in Portland, OR tap water
Portland, OR's 2024 report shows Escherichia coli (E. coli) detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 0–26 | None set |
Verbatim from Portland, OR's 2024 Consumer Confidence Report — source document ↗
About Escherichia coli (E. coli)
Escherichia coli — bacteria found in the gut of humans and animals.
Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.
How Portland, OR compares
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People also ask
+Is there Escherichia coli (E. coli) in Portland, OR tap water?
Yes — Portland, OR's 2024 Consumer Confidence Report lists Escherichia coli (E. coli) at 0–26. Portland, OR's 2024 report shows Escherichia coli (E. coli) detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Escherichia coli (E. coli) in drinking water?
The EPA has not set an enforceable federal limit for Escherichia coli (E. coli). Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Escherichia coli (E. coli)?
Escherichia coli — bacteria found in the gut of humans and animals. Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.
+Where does this Escherichia coli (E. coli) measurement come from?
This page reproduces the Escherichia coli (E. coli) entry from the 2024 Consumer Confidence Report published by the Portland, OR water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/or/portland/2024/source.