Physical & aggregate · 2025
Alkalinity in Columbus, OH tap water
Columbus, OH's 2025 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Columbus Water | 48 | None set |
Verbatim from Columbus, OH's 2025 Consumer Confidence Report — source document ↗
About Alkalinity
A measure of the water's capacity to neutralize acids.
Not federally regulated for health; relevant to corrosion control and treatment.
How Columbus, OH compares
4 of the 96 systems measuring Alkalinity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Alkalinity at 48. Columbus, OH's 2025 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Alkalinity in drinking water?
The EPA has not set an enforceable federal limit for Alkalinity. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Alkalinity?
A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.
+Which other U.S. cities have Alkalinity over the federal limit?
4 of the 96 systems on The Water Map measuring Alkalinity report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.
+Where does this Alkalinity measurement come from?
This page reproduces the Alkalinity 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.