Metals · 2025
Barium in Columbus, OH tap water
Columbus, OH's 2025 Barium measurement is below the federal limit of 2 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Dublin Road Water Plant | Not detected mg/L | 2 mg/L MCL |
Reported level Hap Cremean Water Plant | 0.02 mg/L | 2 mg/L MCL |
Reported level Columbus Water | 0.01 mg/L | 2 mg/L MCL |
Verbatim from Columbus, OH's 2025 Consumer Confidence Report — source document ↗
About Barium
A metal from erosion of natural deposits and industrial discharge.
Long-term exposure above the federal limit can raise blood pressure.
How Columbus, OH compares
Nearby systems also reporting Barium:
People also ask
+Is there Barium in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Barium at 0.02 mg/L. Columbus, OH's 2025 Barium measurement is below the federal limit of 2 mg/L (MCL).
+What's the federal limit for Barium in drinking water?
The federal MCL for Barium is 2 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Barium?
A metal from erosion of natural deposits and industrial discharge. Long-term exposure above the federal limit can raise blood pressure.
+Where does this Barium measurement come from?
This page reproduces the Barium 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.