Radionuclides · 2024
Uranium in City of Cupertino, CA tap water
City of Cupertino, CA's 2024 report shows Uranium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Mountain Surface Water | Not detected pCi/L | 20 pCi/L MCL |
Range Mountain Surface Water | Not detected pCi/L | 20 pCi/L MCL |
Average Groundwater | Not detected pCi/L | 20 pCi/L MCL |
Range Groundwater | 0–1.5 pCi/L | 20 pCi/L MCL |
Average VW Surface Water | 1.3 pCi/L | 20 pCi/L MCL |
Range VW Surface Water | 1.3 pCi/L | 20 pCi/L MCL |
Verbatim from City of Cupertino, CA's 2024 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.
How City of Cupertino, CA compares
Nearby systems also reporting Uranium:
People also ask
+Is there Uranium in City of Cupertino, CA tap water?
Yes — City of Cupertino, CA's 2024 Consumer Confidence Report lists Uranium at 1.3 pCi/L. City of Cupertino, CA's 2024 report shows Uranium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Uranium in drinking water?
The federal MCL for Uranium is 20 pCi/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 2024 Consumer Confidence Report published by the City of Cupertino, CA 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/ca/cupertino/2024/source.