Metals · 2026
Potassium in Western MWD - Murrieta Division, CA tap water
Western MWD - Murrieta Division, CA's 2026 report shows Potassium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Entry point | 2 MG/L | None set |
Average Source water | 1.425 MG/L | None set |
Highest single sample Source water | 2 MG/L | None set |
Highest single sample Entry point | 2 MG/L | None set |
Verbatim from Western MWD - Murrieta Division, CA's 2026 Consumer Confidence Report — source document ↗
About Potassium
A naturally occurring mineral from rock and soil.
Not federally regulated for health.
How Western MWD - Murrieta Division, CA compares
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People also ask
+Is there Potassium in Western MWD - Murrieta Division, CA tap water?
Yes — Western MWD - Murrieta Division, CA's 2026 Consumer Confidence Report lists Potassium at 2 MG/L. Western MWD - Murrieta Division, CA's 2026 report shows Potassium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Potassium in drinking water?
The EPA has not set an enforceable federal limit for Potassium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Potassium?
A naturally occurring mineral from rock and soil. Not federally regulated for health.
+Where does this Potassium measurement come from?
This page reproduces the Potassium entry from the 2026 Consumer Confidence Report published by the Western MWD - Murrieta Division, 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-murrieta-division/2026/source.