Metals · 2026

Potassium in City of Santa Ana, CA tap water

Detected — no federal limit

City of Santa Ana, CA's 2026 report shows Potassium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
2.1399999999999997 MG/L
Highest single sample
Source water
2.7 MG/L

Verbatim from City of Santa Ana, CA's 2026 Consumer Confidence Report — source document ↗

About Potassium

A naturally occurring mineral from rock and soil.

Not federally regulated for health.

How City of Santa Ana, CA compares

Nearby systems also reporting Potassium:

People also ask

+Is there Potassium in City of Santa Ana, CA tap water?

Yes — City of Santa Ana, CA's 2026 Consumer Confidence Report lists Potassium at 2.1399999999999997 MG/L. City of Santa Ana, 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 City of Santa Ana, 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/santa-ana/2026/source.

Full report
All City of Santa Ana, CA water-quality data →
Every contaminant measured in the 2026 report.
Contaminant pillar
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Every public water system measuring Potassium, ranked.