Yes — St Louis, MO's 2024 Consumer Confidence Report lists Antimony at 0.25–0.31 ug/L. St Louis, MO's 2024 Antimony measurement is below the federal limit of 6 ug/L (MCL).

+What's the federal limit for Antimony in drinking water?

The federal MCL for Antimony is 6 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+Where does this Antimony measurement come from?

This page reproduces the Antimony entry from the 2024 Consumer Confidence Report published by the St Louis, MO 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/mo/st-louis/2024/source.

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Every contaminant measured in the 2024 report.

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Every public water system measuring Antimony, ranked.