Inorganic chemicals · 2025

Bromide in City of Martinez, CA tap water

Detected — no federal limit

City of Martinez, CA's 2025 report shows Bromide detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
0.15 MG/L
Highest single sample
Source water
0.15 MG/L

Verbatim from City of Martinez, CA's 2025 Consumer Confidence Report — source document ↗

About Bromide

A naturally occurring salt found in source water.

Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.

How City of Martinez, CA compares

2 of the 63 systems measuring Bromide on The Water Map have it at or above the federal limit:

Nearby systems also reporting Bromide:

People also ask

+Is there Bromide in City of Martinez, CA tap water?

Yes — City of Martinez, CA's 2025 Consumer Confidence Report lists Bromide at 0.15 MG/L. City of Martinez, CA's 2025 report shows Bromide detected, but the EPA has not set an enforceable federal limit for it.

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

The EPA has not set an enforceable federal limit for Bromide. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Bromide?

A naturally occurring salt found in source water. Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.

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

2 of the 63 systems on The Water Map measuring Bromide report it at or above the federal limit. Examples include Kansas City, KS, Columbia, MO.

+Where does this Bromide measurement come from?

This page reproduces the Bromide entry from the 2025 Consumer Confidence Report published by the City of Martinez, 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/martinez/2025/source.

Full report
All City of Martinez, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Bromide across the U.S. →
Every public water system measuring Bromide, ranked.