Radionuclides · 2022
Gross Alpha in North Trails Mutual Water Company, CA tap water
North Trails Mutual Water Company, CA's 2022 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 2.69–10.8 pCi/L | 15 pCi/L MCL |
Average System-wide | 6.35 pCi/L | 15 pCi/L MCL |
Average System-wide | 6.35 pCi/L | 15 pCi/L MCL |
Average System-wide | 6.35 pCi/L | 15 pCi/L MCL |
Range System-wide | 2.69–10.8 pCi/L | 15 pCi/L MCL |
Range System-wide | 2.69–10.8 pCi/L | 15 pCi/L MCL |
Verbatim from North Trails Mutual Water Company, 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 North Trails Mutual Water Company, CA compares
5 of the 215 CA 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 North Trails Mutual Water Company, CA tap water?
Yes — North Trails Mutual Water Company, CA's 2022 Consumer Confidence Report lists Gross Alpha at 6.35 pCi/L. North Trails Mutual Water Company, 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 215 CA systems on The Water Map measuring Gross Alpha report it at or above the federal limit. Examples include Crestline Village Cwd - Division 10 — Crestline, Ca, CA, Yosemite Spring Park Util Co — Coarsegold, Ca, CA, Valley of Enchantment Mwc — Crestline, 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 North Trails Mutual Water Company, 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/north-trails-mutual-water-company/2022/source.