Metals · 2024
Arsenic in St Louis, MO tap water
St Louis, MO's 2024 Arsenic measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum System-wide | 0.39 ug/L | None set |
Range Range Detected | 0.31–0.39 ug/L | None set |
Verbatim from St Louis, MO's 2024 Consumer Confidence Report — source document ↗
About Arsenic
A naturally occurring element that also enters water from industry and agriculture.
A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.
People also ask
+Is there Arsenic in St Louis, MO tap water?
Yes — St Louis, MO's 2024 Consumer Confidence Report lists Arsenic at 0.39 ug/L. St Louis, MO's 2024 Arsenic measurement is below the federal limit.
+What's the federal limit for Arsenic in drinking water?
The EPA has not set an enforceable federal limit for Arsenic. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Arsenic?
A naturally occurring element that also enters water from industry and agriculture. A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.
+Where does this Arsenic measurement come from?
This page reproduces the Arsenic 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.