Radionuclides · 2023

Gross Alpha in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water

Within the federal limit· 0.4× the limit

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Gross Alpha measurement is below the federal limit.

The measurement

StatisticValue
Reported level
Castaic Lake
0–3.1 pCi/L
Reported level
Lake Havasu
0–6.2 pCi/L
Reported level
Lake Mathews
0–3.2 pCi/L
Reported level
Silverwood Lake
0–5 pCi/L
Reported level
Diamond Valley Lake
0–6.1 pCi/L
Reported level
Lake Perris
0–3.2 pCi/L
Reported level
Lake Skinner
0–3.6 pCi/L

Verbatim from Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report — source document ↗

About Gross Alpha

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

Long-term exposure above the federal limit increases cancer risk.

How Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA compares

5 of the 839 systems measuring Gross Alpha on The Water Map have it at or above the federal limit:

Nearby systems also reporting Gross Alpha:

People also ask

+Is there Gross Alpha in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water?

Yes — Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report lists Gross Alpha at 0–6.2 pCi/L. Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Gross Alpha measurement is below the federal limit.

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

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

+What is Gross Alpha?

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

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

5 of the 839 systems on The Water Map measuring Gross Alpha report it at or above the federal limit. Examples include Oceano Comm Services Dist. — Oceano, Ca, CA, Crestline Village Cwd - Division 10 — Crestline, Ca, CA, Indian Hills Camp — Jamul, Ca, CA.

+Where does this Gross Alpha measurement come from?

This page reproduces the Gross Alpha entry from the 2023 Consumer Confidence Report published by the Foothill Municipal Water Dist. — La Canada Flintridge, Ca, 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/foothill-municipal-water-dist-la-canada-flintridge-ca/2023/source.

Full report
All Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Gross Alpha across the U.S. →
Every public water system measuring Gross Alpha, ranked.