Metals · 2023

Selenium in San Luis Obispo Water Department — San Luis Obispo, Ca, CA tap water

Within the federal limit· 0.1× the limit

San Luis Obispo Water Department — San Luis Obispo, Ca, CA's 2023 Selenium measurement is below the federal limit of 50 ug/L (MCL).

The measurement

StatisticValue
Reported level
System-wide
6 ug/L
Range
System-wide
6–6 ug/L

Verbatim from San Luis Obispo Water Department — San Luis Obispo, Ca, CA's 2023 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 Luis Obispo Water Department — San Luis Obispo, Ca, CA compares

Nearby systems also reporting Selenium:

People also ask

+Is there Selenium in San Luis Obispo Water Department — San Luis Obispo, Ca, CA tap water?

Yes — San Luis Obispo Water Department — San Luis Obispo, Ca, CA's 2023 Consumer Confidence Report lists Selenium at 6 ug/L. San Luis Obispo Water Department — San Luis Obispo, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the San Luis Obispo Water Department — San Luis Obispo, 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-luis-obispo-water-department-san-luis-obispo-ca/2023/source.

Full report
All San Luis Obispo Water Department — San Luis Obispo, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Selenium across the U.S. →
Every public water system measuring Selenium, ranked.