Metals · 2024
Copper in Madison, WI tap water
Madison, WI's 2024 Copper measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
90th percentile At the tap | 150 ug/L | None set |
Range At the tap | 77–210 ug/L | None set |
Verbatim from Madison, WI's 2024 Consumer Confidence Report — source document ↗
About Copper
A metal that enters water from corroding household plumbing.
Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
How Madison, WI compares
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People also ask
+Is there Copper in Madison, WI tap water?
Yes — Madison, WI's 2024 Consumer Confidence Report lists Copper at 150 ug/L. Madison, WI's 2024 Copper measurement is below the federal limit.
+What's the federal limit for Copper in drinking water?
The EPA has not set an enforceable federal limit for Copper. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Copper?
A metal that enters water from corroding household plumbing. Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
+Where does this Copper measurement come from?
This page reproduces the Copper 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.