Radionuclides · 2021
Gross Alpha in City of Seal Beach, CA tap water
City of Seal Beach, CA's 2021 Gross Alpha measurement is below the federal limit of 15 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Average Amount | Not detected pCi/L | 15 pCi/L MCL |
Range System-wide | 0–3 pCi/L | 15 pCi/L MCL |
Verbatim from City of Seal Beach, CA's 2021 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 City of Seal Beach, 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 City of Seal Beach, CA tap water?
Yes — City of Seal Beach, CA's 2021 Consumer Confidence Report lists Gross Alpha at Not detected pCi/L. City of Seal Beach, CA's 2021 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 2021 Consumer Confidence Report published by the City of Seal Beach, 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/seal-beach/2021/source.