Radionuclides · 2022

Gross Alpha in Sunnyslope County Water Dist — Hollister, Ca, CA tap water

Within the federal limit· 0.2× the limit

Sunnyslope County Water Dist — Hollister, Ca, CA's 2022 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).

The measurement

StatisticValue
Average
Groundwater
2.58 pCi/L
Range
Groundwater
2.58–2.58 pCi/L
Range
Surface water
1.67–2.03 pCi/L
Average
Surface water
1.85 pCi/L

Verbatim from Sunnyslope County Water Dist — Hollister, Ca, CA's 2022 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 Sunnyslope County Water Dist — Hollister, 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 Sunnyslope County Water Dist — Hollister, Ca, CA tap water?

Yes — Sunnyslope County Water Dist — Hollister, Ca, CA's 2022 Consumer Confidence Report lists Gross Alpha at 2.58 pCi/L. Sunnyslope County Water Dist — Hollister, Ca, CA's 2022 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).

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

The federal MCL for Gross Alpha is 15 pCi/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 2022 Consumer Confidence Report published by the Sunnyslope County Water Dist — Hollister, 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/sunnyslope-county-water-dist-hollister-ca/2022/source.

Full report
All Sunnyslope County Water Dist — Hollister, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
Contaminant pillar
Gross Alpha across the U.S. →
Every public water system measuring Gross Alpha, ranked.