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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Chlorodibromoacetic acid


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

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

 
Detected
Found above
health guidelines
Found above
legal limit
States
3
-
-
Water utilities
224
-
-
People Served
2,504,969
-
-

Chlorodibromoacetic acid Exposure by State

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

StateWater Suppliers with Chlorodibromoacetic acid contamination
SystemsPopulation
Missouri2221,483,247
New York11,009,264
Maryland112,458
Total2242,504,969

The Most Polluted Communities

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

Ranked by highest average Chlorodibromoacetic acid level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Barnard
Barnard, MO
2575 of 96 ppb
(0 to 41.9 ppb)
2Chaffee
Chaffee, MO
3,0593 of 54.59 ppb
(0 to 10.37 ppb)
3Miami
Miami, MO
1404 of 74.03 ppb
(0 to 8.68 ppb)
4Sweet Springs
Sweet Springs, MO
1,6949 of 133.64 ppb
(0 to 9.75 ppb)
5Blackwater
Blackwater, MO
2903 of 73.57 ppb
(0 to 11.1 ppb)
6Saline Co Pwsd #3
Marshall, MO
2,6007 of 123.12 ppb
(0 to 7.14 ppb)
7Butler Co Pwsd #104
MO
252 of 63.07 ppb
(0 to 12.9 ppb)
8Blairstown
Blairstown, MO
1856 of 122.81 ppb
(0 to 9.59 ppb)
9Mount Leonard
Malta Bend, MO
1005 of 92.61 ppb
(0 to 7.21 ppb)
10Howard Co Cons Pwsd #1
Franklin, MO
1,8353 of 52.45 ppb
(0 to 6.38 ppb)

Testing Summary for Chlorodibromoacetic acid

Are tests routinely required for Chlorodibromoacetic acid by federal law?No
Water suppliers reporting tests for Chlorodibromoacetic acid (2004-2009):932 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):1.0 per year