Radionuclides · 2024

Gross Beta Particle Activity in Simi Valley, CA tap water

Detected — no federal limit

Simi Valley, CA's 2024 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Tapo Canyon Water Treatment Plant
2.49 pCi/L
Range
Tapo Canyon Water Treatment Plant
2.49 pCi/L
Average
Metropolitan Jensen Plant
Not detected pCi/L
Range
Metropolitan Jensen Plant
Not detected pCi/L
Average
Calleguas Lake Bard Water Filtration Plant
5.5 pCi/L
Range
Calleguas Lake Bard Water Filtration Plant
5.4–5.6 pCi/L

Verbatim from Simi Valley, CA's 2024 Consumer Confidence Report — source document ↗

About Gross Beta Particle Activity

Gross beta particle activity — a combined measure of beta-emitting radioactive substances.

Long-term exposure above the federal screening level increases cancer risk.

How Simi Valley, CA compares

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People also ask

+Is there Gross Beta Particle Activity in Simi Valley, CA tap water?

Yes — Simi Valley, CA's 2024 Consumer Confidence Report lists Gross Beta Particle Activity at 5.5 pCi/L. Simi Valley, CA's 2024 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Gross Beta Particle Activity in drinking water?

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

+What is Gross Beta Particle Activity?

Gross beta particle activity — a combined measure of beta-emitting radioactive substances. Long-term exposure above the federal screening level increases cancer risk.

+Where does this Gross Beta Particle Activity measurement come from?

This page reproduces the Gross Beta Particle Activity entry from the 2024 Consumer Confidence Report published by the Simi Valley, 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/simi-valley/2024/source.

Full report
All Simi Valley, CA water-quality data →
Every contaminant measured in the 2024 report.
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Every public water system measuring Gross Beta Particle Activity, ranked.