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National Drinking Water Database

National Drinking Water Database - Chemical Contaminants

Bromodichloroacetic acid

Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

Bromodichloroacetic acid is a disinfection byproduct that forms when chlorine, chloramines or other disinfectants react with organic and inorganic matter in water.

Found above
health guidelines
Found above
legal limit
Water utilities
People Served

Bromodichloroacetic acid Exposure by State

Water utilities in 3 states have reported detecting Bromodichloroacetic acid in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Bromodichloroacetic acid contamination
New York11,009,264

The Most Polluted Communities

351 water utilities reported detecting Bromodichloroacetic acid in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Bromodichloroacetic acid level

RankSystem Population Served Positive test results of total reported tests Average Level
Jameson, MO
1137 of 711.12 ppb
(7.22 to 16.85 ppb)
Cainsville, MO
3958 of 810.03 ppb
(<0.01 to 18 ppb)
3Gilman City
Gilman City, MO
4327 of 79.57 ppb
(6.61 to 11.88 ppb)
4Andrew Co Pwsd #4
Rosendale, MO
7088 of 89.42 ppb
(7.13 to 12.6 ppb)
Miami, MO
1407 of 78.88 ppb
(6.57 to 10.65 ppb)
6Andrew Co Pwsd #3
Fillmore, MO
1,20610 of 108.76 ppb
(6.58 to 11.2 ppb)
7Sweet Springs
Sweet Springs, MO
1,69413 of 138.11 ppb
(4.24 to 13.1 ppb)
8Saline Co Pwsd #3
Marshall, MO
2,60012 of 128.07 ppb
(5.53 to 10.34 ppb)
9Cooper Co Pwsd #2
Boonville, MO
1,43812 of 128.07 ppb
(4.22 to 15.2 ppb)
Fillmore, MO
2116 of 77.92 ppb
(0 to 13.9 ppb)

Testing Summary for Bromodichloroacetic acid

Are tests routinely required for Bromodichloroacetic acid by federal law?No
Water suppliers reporting tests for Bromodichloroacetic acid (2004-2009):938 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):1.0 per year