Metals · 2024

Potassium in Contra Costa Water District, CA tap water

Detected — no federal limit

Contra Costa Water District, CA's 2024 report shows Potassium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Entry point
1.9600000000000002 MG/L
Average
Distribution
2 MG/L
Average
Source water
1.98 MG/L
Highest single sample
Entry point
2.3 MG/L
Highest single sample
Source water
3.5 MG/L
Highest single sample
Distribution
2 MG/L

Verbatim from Contra Costa Water District, CA's 2024 Consumer Confidence Report — source document ↗

About Potassium

A naturally occurring mineral from rock and soil.

Not federally regulated for health.

How Contra Costa Water District, CA compares

1 of the 180 systems measuring Potassium on The Water Map have it at or above the federal limit:

Nearby systems also reporting Potassium:

People also ask

+Is there Potassium in Contra Costa Water District, CA tap water?

Yes — Contra Costa Water District, CA's 2024 Consumer Confidence Report lists Potassium at 2 MG/L. Contra Costa Water District, CA's 2024 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.

+Which other U.S. cities have Potassium over the federal limit?

1 of the 180 systems on The Water Map measuring Potassium report it at or above the federal limit. Examples include Vancouver, WA.

+Where does this Potassium measurement come from?

This page reproduces the Potassium entry from the 2024 Consumer Confidence Report published by the Contra Costa Water District, 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/contra-costa-water-district/2024/source.

Full report
All Contra Costa Water District, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Potassium across the U.S. →
Every public water system measuring Potassium, ranked.