Radionuclides · 2020
Gross Alpha in Commerce-city, Water Dept. — San Jose, Ca, CA tap water
Commerce-city, Water Dept. — San Jose, Ca, CA's 2020 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Central Basin MWD | Not detected pCi/L | 15 pCi/L MCL |
Range Central Basin MWD | 0–4 pCi/L | 15 pCi/L MCL |
Average Groundwater | Not detected pCi/L | 15 pCi/L MCL |
Range Groundwater | Not detected pCi/L | 15 pCi/L MCL |
Verbatim from Commerce-city, Water Dept. — San Jose, Ca, CA's 2020 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 Commerce-city, Water Dept. — San Jose, 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 Commerce-city, Water Dept. — San Jose, Ca, CA tap water?
Yes — Commerce-city, Water Dept. — San Jose, Ca, CA's 2020 Consumer Confidence Report lists Gross Alpha at Not detected pCi/L. Commerce-city, Water Dept. — San Jose, Ca, CA's 2020 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 2020 Consumer Confidence Report published by the Commerce-city, Water Dept. — San Jose, 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/commerce-city-water-dept-san-jose-ca/2020/source.