Metals · 2025
Potassium in Brentwood, CA tap water
Brentwood, CA's 2025 report shows Potassium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 3.7 MG/L | None set |
Average Source water | 3.1999999999999997 MG/L | None set |
Verbatim from Brentwood, CA's 2025 Consumer Confidence Report — source document ↗
About Potassium
A naturally occurring mineral from rock and soil.
Not federally regulated for health.
How Brentwood, CA compares
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People also ask
+Is there Potassium in Brentwood, CA tap water?
Yes — Brentwood, CA's 2025 Consumer Confidence Report lists Potassium at 3.1999999999999997 MG/L. Brentwood, CA's 2025 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 2025 Consumer Confidence Report published by the Brentwood, 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/brentwood/2025/source.