Metals · 2021

Selenium in San Jose Water — San Jose, Ca, CA tap water

Within the federal limit

San Jose Water — San Jose, Ca, CA's 2021 Selenium measurement is below the federal limit of 50 ug/L (MCL).

The measurement

StatisticValue
Average
Mountain Surface Water
Not detected ug/L
Range
Mountain Surface Water
Not detected ug/L
Average
Groundwater
Not detected ug/L
Range
Groundwater
0–5.8 ug/L
Average
VW Surface Water
Not detected ug/L
Range
VW Surface Water
Not detected ug/L

Verbatim from San Jose Water — San Jose, Ca, CA's 2021 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 San Jose Water — San Jose, Ca, CA compares

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People also ask

+Is there Selenium in San Jose Water — San Jose, Ca, CA tap water?

Yes — San Jose Water — San Jose, Ca, CA's 2021 Consumer Confidence Report lists Selenium at Not detected ug/L. San Jose Water — San Jose, Ca, CA's 2021 Selenium measurement is below the federal limit of 50 ug/L (MCL).

+What's the federal limit for Selenium in drinking water?

The federal MCL for Selenium is 50 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 2021 Consumer Confidence Report published by the San Jose Water — San Jose, Ca, 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/san-jose-water-san-jose-ca/2021/source.

Full report
All San Jose Water — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2021 report.
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