Disinfection byproducts
Bromodichloroacetic acid in U.S. tap water
46 public water systems across 6 U.S. states report Bromodichloroacetic acid in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
What it is
A brominated haloacetic acid disinfection byproduct.
Why it's regulated
Part of the broader HAA9 group; monitored but without its own enforceable federal limit.
Frequently asked
+What is Bromodichloroacetic acid?
A brominated haloacetic acid disinfection byproduct. Part of the broader HAA9 group; monitored but without its own enforceable federal limit.
+Does Bromodichloroacetic acid have a federal limit in drinking water?
Bromodichloroacetic acid 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 Bromodichloroacetic acid over the federal limit?
Zero of the 46 public water systems in The Water Map dataset currently report Bromodichloroacetic acid at or above its federal limit.
+How can I check if Bromodichloroacetic acid 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 Bromodichloroacetic acid.
See Bromodichloroacetic acid on the map
Color-coded by status across the whole country.
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