Radionuclides · 2022
Gross Alpha in Norco, City of — Norco, Ca, CA tap water
Norco, City of — Norco, Ca, CA's 2022 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Arlington Desalter 66.0% | 0–6 pCi/L | 15 pCi/L MCL |
Range NORCO Systemwide 100% | 0–6.3 pCi/L | 15 pCi/L MCL |
Average NORCO Systemwide 100% | 3.6 pCi/L | 15 pCi/L MCL |
Range Well Water 17.0% | 0–6.3 pCi/L | 15 pCi/L MCL |
Verbatim from Norco, City of — Norco, 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 Norco, City of — Norco, 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 Norco, City of — Norco, Ca, CA tap water?
Yes — Norco, City of — Norco, Ca, CA's 2022 Consumer Confidence Report lists Gross Alpha at 3.6 pCi/L. Norco, City of — Norco, 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 Norco, City of — Norco, 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/norco-norco-ca/2022/source.