Disinfection byproducts · 2024

HAA5 in Los Angeles-city, Dept. of Water & Power, CA tap water

Within the federal limit· 0.1× the limit

Los Angeles-city, Dept. of Water & Power, CA's 2024 HAA5 measurement is below the federal limit of 60 UG/L (MCL).

The measurement

StatisticValue
Highest single sample
Distribution
28 UG/L
Highest single sample
Source water
Not detected UG/L
Average
Distribution
6.166941747572816 UG/L

Verbatim from Los Angeles-city, Dept. of Water & Power, CA's 2024 Consumer Confidence Report — source document ↗

About HAA5

Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.

Long-term exposure above the federal limit is associated with an increased cancer risk.

How Los Angeles-city, Dept. of Water & Power, CA compares

5 of the 439 systems measuring HAA5 on The Water Map have it at or above the federal limit:

Nearby systems also reporting HAA5:

People also ask

+Is there HAA5 in Los Angeles-city, Dept. of Water & Power, CA tap water?

Yes — Los Angeles-city, Dept. of Water & Power, CA's 2024 Consumer Confidence Report lists HAA5 at 6.166941747572816 UG/L. Los Angeles-city, Dept. of Water & Power, CA's 2024 HAA5 measurement is below the federal limit of 60 UG/L (MCL).

+What's the federal limit for HAA5 in drinking water?

The federal MCL for HAA5 is 60 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is HAA5?

Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. Long-term exposure above the federal limit is associated with an increased cancer risk.

+Which other U.S. cities have HAA5 over the federal limit?

5 of the 439 systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include Albuquerque, NM, Columbus, OH, Hollywood, FL.

+Where does this HAA5 measurement come from?

This page reproduces the HAA5 entry from the 2024 Consumer Confidence Report published by the Los Angeles-city, Dept. of Water & Power, 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-city-dept-of-water-power/2024/source.

Full report
All Los Angeles-city, Dept. of Water & Power, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
HAA5 across the U.S. →
Every public water system measuring HAA5, ranked.