Metals · 2025
Zinc in Columbus, OH tap water
Columbus, OH's 2025 report shows Zinc detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Columbus Water | 0.256 mg/L | None set |
Verbatim from Columbus, OH's 2025 Consumer Confidence Report — source document ↗
About Zinc
A naturally occurring metal that can also enter water from corroding pipes.
Regulated only as a secondary (cosmetic) standard; high levels cause a metallic taste.
How Columbus, OH compares
Nearby systems also reporting Zinc:
People also ask
+Is there Zinc in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Zinc at 0.256 mg/L. Columbus, OH's 2025 report shows Zinc detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Zinc in drinking water?
The EPA has not set an enforceable federal limit for Zinc. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Zinc?
A naturally occurring metal that can also enter water from corroding pipes. Regulated only as a secondary (cosmetic) standard; high levels cause a metallic taste.
+Where does this Zinc measurement come from?
This page reproduces the Zinc 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.