Metals · 2025
Zinc in Columbus, OH tap water
Columbus, OH's 2025 Zinc measurement is below the federal limit of 5 (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Columbus Water | 0.256 | 5 MCL |
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
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People also ask
+Is there Zinc in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Zinc at 0.256. Columbus, OH's 2025 Zinc measurement is below the federal limit of 5 (MCL).
+What's the federal limit for Zinc in drinking water?
The federal MCL for Zinc is 5 . The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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.