Metals · 2024
Selenium in City of Cupertino, CA tap water
City of Cupertino, CA's 2024 Consumer Confidence Report tested for Selenium and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Mountain Surface Water | Not detected ug/L | None set |
Range Mountain Surface Water | Not detected ug/L | None set |
Average Groundwater | Not detected ug/L | None set |
Range Groundwater | Not detected ug/L | None set |
Average VW Surface Water | Not detected ug/L | None set |
Range VW Surface Water | Not detected ug/L | None set |
Verbatim from City of Cupertino, CA'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.
How City of Cupertino, CA compares
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People also ask
+Is there Selenium in City of Cupertino, CA tap water?
City of Cupertino, CA's 2024 Consumer Confidence Report tested for Selenium and found no detectable amount.
+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 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.