Inorganic chemicals · 2024
Fluoride in St Louis, MO tap water
St Louis, MO's 2024 Fluoride measurement is below the federal limit of 4 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum System-wide | 0.76 mg/L | 4 mg/L MCL |
Range Range Detected | 0.38–0.76 mg/L | 4 mg/L MCL |
Verbatim from St Louis, MO's 2024 Consumer Confidence Report — source document ↗
About Fluoride
A mineral often added to drinking water to help prevent tooth decay.
Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.
How St Louis, MO compares
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People also ask
+Is there Fluoride in St Louis, MO tap water?
Yes — St Louis, MO's 2024 Consumer Confidence Report lists Fluoride at 0.76 mg/L. St Louis, MO's 2024 Fluoride measurement is below the federal limit of 4 mg/L (MCL).
+What's the federal limit for Fluoride in drinking water?
The federal MCL for Fluoride is 4 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Fluoride?
A mineral often added to drinking water to help prevent tooth decay. Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.
+Where does this Fluoride measurement come from?
This page reproduces the Fluoride 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.