Disinfection byproducts · 2024
Bromate in Contra Costa Water District, CA tap water
Contra Costa Water District, CA's 2024 Consumer Confidence Report tested for Bromate and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected UG/L | 10 UG/L MCL |
Verbatim from Contra Costa Water District, 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 Contra Costa Water District, CA compares
5 of the 90 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 Contra Costa Water District, CA tap water?
Contra Costa Water District, CA's 2024 Consumer Confidence Report tested for Bromate and found no detectable amount.
+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 90 systems on The Water Map measuring Bromate report it at or above the federal limit. Examples include City of Hemet, CA, City of Murrieta, CA, City of San Jacinto, CA.
+Where does this Bromate measurement come from?
This page reproduces the Bromate entry from the 2024 Consumer Confidence Report published by the Contra Costa Water District, 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/contra-costa-water-district/2024/source.