Inorganic chemicals
Bromochloroacetic acid in U.S. tap water
50 public water systems across 7 U.S. states report Bromochloroacetic acid in their annual Consumer Confidence Report. 1 sit at or above the federal limit.
What it is
A mixed-halogen 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 |
|---|---|---|
| Nyc, NY 2023 annual report | 1.4 mg/L | 23.3× the limit |
Within the federal limit (48)
Bromochloroacetic acid by state
Every state where a public water system reports Bromochloroacetic acid in its annual report, ranked by systems at or above the federal limit.
Frequently asked
+What is Bromochloroacetic acid?
A mixed-halogen haloacetic acid disinfection byproduct. Part of the broader HAA9 group; monitored without its own enforceable limit.
+What is the federal limit for Bromochloroacetic acid in drinking water?
The federal MCL for Bromochloroacetic 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 Bromochloroacetic acid over the federal limit?
1 of the 50 public water systems on The Water Map report Bromochloroacetic acid at or above its federal limit, spanning 7 U.S. states. The full list is on this page.
+Which states report the most Bromochloroacetic acid in their drinking water?
Of the systems on The Water Map, New York (1 system at or above the limit) report the most Bromochloroacetic acid exceedances. The state-by-state table on this page lists every state.
+How can I check if Bromochloroacetic 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 Bromochloroacetic acid.