Metals · 2025

Strontium in Cal-water Service Co.-chico, CA tap water

Detected — no federal limit

Cal-water Service Co.-chico, CA's 2025 report shows Strontium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Source water
420 UG/L
Average
Source water
160 UG/L

Verbatim from Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report — source document ↗

How Cal-water Service Co.-chico, CA compares

4 of the 49 systems measuring Strontium on The Water Map have it at or above the federal limit:

Nearby systems also reporting Strontium:

People also ask

+Is there Strontium in Cal-water Service Co.-chico, CA tap water?

Yes — Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report lists Strontium at 160 UG/L. Cal-water Service Co.-chico, CA's 2025 report shows Strontium detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Strontium in drinking water?

The EPA has not set an enforceable federal limit for Strontium. Utilities still report any measured levels in their annual Consumer Confidence Report.

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

4 of the 49 systems on The Water Map measuring Strontium report it at or above the federal limit. Examples include Burbank, CA, Cal-water Service Co.-chico, CA, North Charleston, SC.

+Where does this Strontium measurement come from?

This page reproduces the Strontium entry from the 2025 Consumer Confidence Report published by the Cal-water Service Co.-chico, 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/cal-water-service-co-chico/2025/source.

Full report
All Cal-water Service Co.-chico, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Strontium across the U.S. →
Every public water system measuring Strontium, ranked.