Disinfection byproducts · 2024

Bromate in El Cajon, CA tap water

Within the federal limit· 0.2× the limit

El Cajon, CA's 2024 Bromate measurement is below the federal limit of 10 ug/L (MCL).

The measurement

StatisticValue
Maximum
Helix Plant
Not detected ug/L
Maximum
Purchased Water
8.5 ug/L
Average
Helix Plant
Not detected ug/L
Average
Purchased Water
1.6 ug/L
Minimum
Helix Plant
Not detected ug/L
Minimum
Purchased Water
Not detected ug/L

Verbatim from El Cajon, CA's 2024 Consumer Confidence Report — source document ↗

About Bromate

A disinfection byproduct formed when bromide-containing water is treated with ozone.

Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.

How El Cajon, CA compares

5 of the 132 systems measuring Bromate on The Water Map have it at or above the federal limit:

Nearby systems also reporting Bromate:

People also ask

+Is there Bromate in El Cajon, CA tap water?

Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Bromate at 1.6 ug/L. El Cajon, CA's 2024 Bromate measurement is below the federal limit of 10 ug/L (MCL).

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

The federal MCL for Bromate is 10 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Bromate?

A disinfection byproduct formed when bromide-containing water is treated with ozone. Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.

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

5 of the 132 systems on The Water Map measuring Bromate report it at or above the federal limit. Examples include Columbus, OH, City of Hemet, CA, City of Menifee, CA.

+Where does this Bromate measurement come from?

This page reproduces the Bromate entry from the 2024 Consumer Confidence Report published by the El Cajon, 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/el-cajon/2024/source.

Full report
All El Cajon, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Bromate across the U.S. →
Every public water system measuring Bromate, ranked.