Physical & aggregate · 2025
Total Dissolved Solids in Columbus, OH tap water
Columbus, OH's 2025 report shows Total Dissolved Solids detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Columbus Water | 313 mg/L | None set |
Verbatim from Columbus, OH's 2025 Consumer Confidence Report — source document ↗
About Total Dissolved Solids
Total dissolved solids — the combined content of all dissolved minerals and salts.
Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.
How Columbus, OH compares
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People also ask
+Is there Total Dissolved Solids in Columbus, OH tap water?
Yes — Columbus, OH's 2025 Consumer Confidence Report lists Total Dissolved Solids at 313 mg/L. Columbus, OH's 2025 report shows Total Dissolved Solids detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Total Dissolved Solids in drinking water?
The EPA has not set an enforceable federal limit for Total Dissolved Solids. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Total Dissolved Solids?
Total dissolved solids — the combined content of all dissolved minerals and salts. Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.
+Where does this Total Dissolved Solids measurement come from?
This page reproduces the Total Dissolved Solids 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.