Metals · 2023
Selenium in Western MWD — Riverside, Ca, CA tap water
Western MWD — Riverside, Ca, CA's 2023 Selenium measurement is below the federal limit of 50 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Riverside Service Area Local Groundwater | Not detected ug/L | 50 ug/L MCL |
Range Riverside Service Area Local Groundwater | 0–16 ug/L | 50 ug/L MCL |
Average Riverside Service Area Surface Water | Not detected ug/L | 50 ug/L MCL |
Average Murrieta Service Area Local Groundwater | Not detected ug/L | 50 ug/L MCL |
Range Murrieta Service Area Local Groundwater | 0–12 ug/L | 50 ug/L MCL |
Average Murrieta Service Area Surface Water | Not detected ug/L | 50 ug/L MCL |
Average Rainbow Service Area Surface Water | Not detected ug/L | 50 ug/L MCL |
Verbatim from Western MWD — Riverside, 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 Western MWD — Riverside, Ca, CA compares
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People also ask
+Is there Selenium in Western MWD — Riverside, Ca, CA tap water?
Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists Selenium at Not detected ug/L. Western MWD — Riverside, 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 Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.