Radionuclides · 2025
Uranium in Grand Rapids, MI tap water
Grand Rapids, MI's 2025 Uranium measurement is below the federal limit of 30 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Detected In | 0.4 ug/L | 30 ug/L MCL |
Verbatim from Grand Rapids, MI's 2025 Consumer Confidence Report — source document ↗
About Uranium
A naturally occurring radioactive metal from erosion of natural deposits.
Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.
People also ask
+Is there Uranium in Grand Rapids, MI tap water?
Yes — Grand Rapids, MI's 2025 Consumer Confidence Report lists Uranium at 0.4 ug/L. Grand Rapids, MI's 2025 Uranium measurement is below the federal limit of 30 ug/L (MCL).
+What's the federal limit for Uranium in drinking water?
The federal MCL for Uranium is 30 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Uranium?
A naturally occurring radioactive metal from erosion of natural deposits. Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.
+Where does this Uranium measurement come from?
This page reproduces the Uranium entry from the 2025 Consumer Confidence Report published by the Grand Rapids, MI 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/mi/grand-rapids/2025/source.