Metals · 2024
Selenium in Madison, WI tap water
Madison, WI's 2024 Selenium measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Median Level Found | Not detected ug/L | None set |
Range System-wide | 0–1.5 ug/L | None set |
Reported level Wells with Detections | 6 ug/L | None set |
Verbatim from Madison, WI's 2024 Consumer Confidence Report — source document ↗
About Selenium
A trace element from natural deposits and industrial discharge.
Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.
People also ask
+Is there Selenium in Madison, WI tap water?
Yes — Madison, WI's 2024 Consumer Confidence Report lists Selenium at Not detected ug/L. Madison, WI's 2024 Selenium measurement is below the federal limit.
+What's the federal limit for Selenium in drinking water?
The EPA has not set an enforceable federal limit for Selenium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Selenium?
A trace element from natural deposits and industrial discharge. Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.
+Where does this Selenium measurement come from?
This page reproduces the Selenium entry from the 2024 Consumer Confidence Report published by the Madison, WI 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/wi/madison/2024/source.