Radionuclides · 2023

Gross Beta Particle Activity in Los Angeles LADWP, CA tap water

Within the federal limit· 0.1× the limit

Los Angeles LADWP, CA's 2023 Gross Beta Particle Activity measurement is below the federal limit of 50 pCi/L (MCL).

The measurement

StatisticValue
Range
MWD Jensen Plant
Not detected pCi/L
Range
MWD Diemer Plant
0–5 pCi/L
Average
Northern Combined Wells
4.3 pCi/L
Average
Los Angeles Aqueduct Filtration Plant
4 pCi/L
Range
Northern Combined Wells
0–5.6 pCi/L
Average
Southern Combined Wells
4.8 pCi/L
Average
MWD Weymouth Plant
Not detected pCi/L
Average
MWD Diemer Plant
4 pCi/L
Range
Southern Combined Wells
0–6.3 pCi/L
Range
MWD Weymouth Plant
0–5 pCi/L
Range
Los Angeles Aqueduct Filtration Plant
0–4.9 pCi/L
Average
MWD Jensen Plant
Not detected pCi/L

Verbatim from Los Angeles LADWP, CA's 2023 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 Los Angeles LADWP, 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 Los Angeles LADWP, CA tap water?

Yes — Los Angeles LADWP, CA's 2023 Consumer Confidence Report lists Gross Beta Particle Activity at 4.8 pCi/L. Los Angeles LADWP, CA's 2023 Gross Beta Particle Activity measurement is below the federal limit of 50 pCi/L (MCL).

+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.

+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 2023 Consumer Confidence Report published by the Los Angeles LADWP, 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/los-angeles-ladwp/2023/source.

Full report
All Los Angeles LADWP, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Gross Beta Particle Activity across the U.S. →
Every public water system measuring Gross Beta Particle Activity, ranked.