Inorganic chemicals
Dibromoacetic acid in U.S. tap water
40 public water systems across 7 U.S. states report Dibromoacetic acid in their annual Consumer Confidence Report. 1 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 without its own enforceable limit.
At or above the federal limit (1)
| Water system | Measured | vs. limit |
|---|---|---|
| Omaha, NE 2024 annual report | 1.53 mg/L | 25.5× the limit |
Within the federal limit (39)
Dibromoacetic acid by state
Every state where a public water system reports Dibromoacetic acid in its annual report, ranked by systems at or above the federal limit.
Frequently asked
+What is Dibromoacetic acid?
A brominated haloacetic acid disinfection byproduct. Part of the broader HAA9 group; monitored without its own enforceable limit.
+What is the federal limit for Dibromoacetic acid in drinking water?
The federal MCL for Dibromoacetic acid is 60 ug/L. The EPA enforces this against the regulated reporting statistic (typically a running annual average or 90th percentile), not a single-sample spike.
+How many U.S. water systems have Dibromoacetic acid over the federal limit?
1 of the 40 public water systems on The Water Map report Dibromoacetic acid at or above its federal limit, spanning 7 U.S. states. The full list is on this page.
+Which states report the most Dibromoacetic acid in their drinking water?
Of the systems on The Water Map, Nebraska (1 system at or above the limit) report the most Dibromoacetic acid exceedances. The state-by-state table on this page lists every state.
+How can I check if Dibromoacetic 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 Dibromoacetic acid.