Radionuclides · 2024
Gross Beta Particle Activity in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Gross Beta Particle Activity at or above the federal limit (50 pCi/L MCL). Measured value is 40.5× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Pomona Groundwater | 2024 pCi/L | 50 pCi/L MCL |
Reported level Weymouth Effluent | 0–5 pCi/L | 50 pCi/L MCL |
Reported level Miramar Effluent | 2.29 pCi/L | 50 pCi/L MCL |
Reported level Pomona Effluent | 2024 pCi/L | 50 pCi/L MCL |
Verbatim from Pomona, CA's 2024 Consumer Confidence Report — source document ↗
About Gross Beta Particle Activity
Gross beta particle activity — a combined measure of beta-emitting radioactive substances.
Long-term exposure above the federal screening level increases cancer risk.
How Pomona, CA compares
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People also ask
+Is there Gross Beta Particle Activity in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Gross Beta Particle Activity at 2024 pCi/L. Pomona, CA's 2024 Consumer Confidence Report shows Gross Beta Particle Activity at or above the federal limit (50 pCi/L MCL). Measured value is 40.5× the threshold.
+What's the federal limit for Gross Beta Particle Activity in drinking water?
The federal MCL for Gross Beta Particle Activity is 50 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 Beta Particle Activity?
Gross beta particle activity — a combined measure of beta-emitting radioactive substances. Long-term exposure above the federal screening level increases cancer risk.
+Where does this Gross Beta Particle Activity measurement come from?
This page reproduces the Gross Beta Particle Activity entry from the 2024 Consumer Confidence Report published by the Pomona, 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/pomona/2024/source.