Physical & aggregate · 2025
pH in Columbus, OH tap water
Columbus, OH's 2025 report shows pH detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Columbus Water | 7.8 | None set |
Verbatim from Columbus, OH's 2025 Consumer Confidence Report — source document ↗
About pH
A measure of how acidic or basic the water is.
Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.
How Columbus, OH compares
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People also ask
+Is there pH in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists pH at 7.8. Columbus, OH's 2025 report shows pH detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for pH in drinking water?
The EPA has not set an enforceable federal limit for pH. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is pH?
A measure of how acidic or basic the water is. Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.
+Where does this pH measurement come from?
This page reproduces the pH entry from the 2025 Consumer Confidence Report published by the Columbus, OH 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/oh/columbus/2025/source.