Yes — Santa Ana, CA's 2024 Consumer Confidence Report lists Dichloroacetic acid at 1.1 ug/L. Santa Ana, CA's 2024 report shows Dichloroacetic acid detected, but the EPA has not set an enforceable federal limit for it.

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

The federal MCLG for Dichloroacetic acid is 0 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Dichloroacetic acid?

A haloacetic acid disinfection byproduct. One of the five haloacetic acids regulated together as HAA5 for cancer risk.

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

1 of the 24 systems on The Water Map measuring Dichloroacetic acid report it at or above the federal limit. Examples include Kansas City, KS.

+Where does this Dichloroacetic acid measurement come from?

This page reproduces the Dichloroacetic acid entry from the 2024 Consumer Confidence Report published by the Santa Ana, 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/santa-ana/2024/source.

Full report

All Santa Ana, CA water-quality data →

Every contaminant measured in the 2024 report.

Contaminant pillar

Dichloroacetic acid across the U.S. →

Every public water system measuring Dichloroacetic acid, ranked.