Inorganic chemicals
Bromide in U.S. tap water
108 public water systems across 11 U.S. states report Bromide in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
What it is
A naturally occurring salt found in source water.
Why it's regulated
Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.
Within the federal limit (1)
| Water system | Measured |
|---|---|
| City of Milpitas — Milpitas, Ca, CA 2023 annual report | Not detected ug/L |
Frequently asked
+What is Bromide?
A naturally occurring salt found in source water. Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.
+Does Bromide have a federal limit in drinking water?
Bromide does not have an enforceable federal MCL. Utilities still report any measured levels in their annual Consumer Confidence Report.
+How many U.S. water systems have Bromide over the federal limit?
Zero of the 108 public water systems in The Water Map dataset currently report Bromide at or above its federal limit.
+How can I check if Bromide is in my city's tap water?
Search your city on The Water Map (https://www.thewatermap.com/) or browse the list on this page. Every U.S. public water utility is required to publish an annual Consumer Confidence Report that lists every contaminant it measured, including Bromide.