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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Dibromoacetic acid


Status: Regulated - EPA has established a maximum legal limit in tapwater for this contaminant.

Dibromoacetic acid is a disinfection byproduct regulated by EPA as one of five haloacetic acids that are formed when chlorine, chloramines or other disinfectants react with organic and inorganic matter in water. [read more]

 
Detected
Found above
health guidelines
Found above
legal limit
States
34
1
1
Water utilities
9,738
6
6
People Served
110,786,009
5,832
5,832

Health Concerns for Dibromoacetic acid:


Dibromoacetic acid Exposure by State

Water utilities in 34 states have reported detecting Dibromoacetic acid in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Dibromoacetic acid contaminationWater suppliers reporting Dibromoacetic acid above health-based limits
SystemsPopulationSystemsPopulation
Texas2,55618,453,18665,832
New York78813,427,66300
Illinois84210,646,96200
Florida3909,570,73700
Ohio5938,898,34900
New Jersey2957,601,44500
California2846,225,96500
North Carolina5705,560,84500
Maryland914,654,08000
Minnesota2732,998,44600
Arizona1342,958,66800
Washington2622,659,12900
Arkansas3852,438,43800
Wisconsin3252,329,59500
Iowa5752,265,39800
Missouri3561,992,45000
Michigan901,426,61900
Utah821,249,62300
New Mexico2361,248,26600
Nebraska1231,060,40300
Virginia105852,98000
Delaware69771,39000
Montana117416,81200
Nevada7279,05800
Hawaii33217,36000
Vermont45154,87600
Alaska71120,15900
South Carolina478,44900
North Dakota2276,65400
Idaho255,15200
Maine752,78000
Colorado129,50000
Rhode Island412,57200
Wyoming12,00000
Total9,738110,786,00965,832

The Most Polluted Communities

9,738 water utilities reported detecting Dibromoacetic acid in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Dibromoacetic acid level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Rowena Wsc
Rowena, TX
59414 of 1556.28 ppb
(0 to 137.6 ppb)
2Coke County Wsc
Robert Lee, TX
55014 of 1446.38 ppb
(3.8 to 92 ppb)
3City of Paint Rock
Paint Rock, TX
32011 of 1235.44 ppb
(0 to 92.1 ppb)
4City of Robert Lee
Robert Lee, TX
1,77513 of 1531.35 ppb
(0 to 76.3 ppb)
5Jan's Modular Estates
San Mateo, FL
1121 of 130.3 ppb
(30.3 ppb)
6Town of Woodson
Woodson, TX
2193 of 329.37 ppb
(23 to 35.9 ppb)
7Chefornak Water System
Chefornak, AK
4081 of 227.9 ppb
(0 to 55.8 ppb)
8Brazos River Authority Possum Kingdom Dam
Graford, TX
453 of 327.5 ppb
(23 to 32.5 ppb)
9Ocean Towers / Island Village
Jensen Beach, FL
7681 of 125.3 ppb
(25.3 ppb)
10City of Anson
Anson, TX
40014 of 1425.15 ppb
(11.75 to 55.8 ppb)

Health Based Limits for Dibromoacetic acid

StandardDescriptionLevel
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.60 ppb

Testing Summary for Dibromoacetic acid

Are tests routinely required for Dibromoacetic acid by federal law?Yes
Water suppliers reporting tests for Dibromoacetic acid (2004-2009):22,521 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):0.8 per year

Violation Summary for Dibromoacetic acid

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards for Dibromoacetic acid since 2004

Maximum Contaminant Level Exceedance Violations1
Monitoring Violations6
Reporting Violations0

Cancer

Type of concern: Reference:
One or more in vitro tests on mammalian cells show positive mutation results RTECS®- Reproductive Toxicology 2006
One or more in vitro tests on mammalian cells show positive mutation results RTECS®- Environmental and Molecular Mutagenesis 2002



Government, industry, academic studies and classifications

government/industry list/academic study appears on list as classification(s)
RTECS®- Environmental and Molecular Mutagenesis 2002ACETIC ACID, DIBROMO-• mutagenic - Positive mutation assay: DNA Damage (hamster ovr)
RTECS®- Reproductive Toxicology 2006ACETIC ACID, DIBROMO-• mutagenic - Positive mutation assay: other mutation test systems (mouse emb)



references

government/industry list/academic study reference
RTECS®- Environmental and Molecular Mutagenesis 2002RTECS®- Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 40,134,2002
RTECS®- Reproductive Toxicology 2006RTECS®- Reproductive Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 22,443,2006

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