Radionuclides · 2024
Gross Beta Particle Activity in Lafayette, CA tap water
Lafayette, CA's 2024 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 6.1 pCi/L | 0 pCi/L Public health goal |
Reported level Orinda | 5.1–6.3 pCi/L | 0 pCi/L Public health goal |
Reported level USL | Not detected pCi/L | 0 pCi/L Public health goal |
Average EBMUD Results WATER TREATMENT PLANTS Individual Sample Results* Walnut Creek Lafayette Orinda Sobrante USL | 0–1.7 pCi/L | 0 pCi/L Public health goal |
Reported level Walnut Creek | 6.3 pCi/L | 0 pCi/L Public health goal |
Reported level Sobrante | 0–17 pCi/L | 0 pCi/L Public health goal |
Reported level Lafayette | 6.3 pCi/L | 0 pCi/L Public health goal |
Verbatim from Lafayette, 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 Lafayette, CA compares
1 of the 134 systems measuring Gross Beta Particle Activity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Gross Beta Particle Activity:
People also ask
+Is there Gross Beta Particle Activity in Lafayette, CA tap water?
Yes — Lafayette, CA's 2024 Consumer Confidence Report lists Gross Beta Particle Activity at 6.1 pCi/L. Lafayette, CA's 2024 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Gross Beta Particle Activity in drinking water?
The federal Public health goal for Gross Beta Particle Activity is 0 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.
+Which other U.S. cities have Gross Beta Particle Activity over the federal limit?
1 of the 134 systems on The Water Map measuring Gross Beta Particle Activity report it at or above the federal limit. Examples include Pomona, CA.
+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 Lafayette, 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/lafayette/2024/source.