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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Better Waterworks Water System

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

92

Samples

0

Samples exceeding legal limit (MCL)

44

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
2016ND120ND
201727.7 ppb1612ND - 57.6 ppb
201858.8 ppb161640.2 ppb - 77.1 ppb
201910.8 ppb16166.20 ppb - 15.9 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-181279207ND
2014-02-181279206ND
2014-02-181279207ND
2014-02-181279206ND
2014-05-131300705ND
2014-05-131300706ND
2014-05-131300706ND
2014-05-131300705ND
2014-08-121325217ND
2014-08-121325218ND
2014-08-121325218ND
2014-08-121325217ND
2014-11-211352457ND
2014-11-211352458ND
2014-11-211352458ND
2014-11-211352457ND
2015-02-161373190ND
2015-02-161373191ND
2015-02-161373191ND
2015-02-161373190ND
2015-05-051392988ND
2015-05-051392989ND
2015-05-051392989ND
2015-05-051392988ND
2015-08-261422242ND
2015-08-261422242ND
2015-08-261422241ND
2015-08-261422241ND
2015-11-031441232ND
2015-11-031441233ND
2015-11-031441232ND
2015-11-031441233ND
2016-02-171468298ND
2016-02-171468299ND
2016-02-171468298ND
2016-02-171468299ND
2016-08-181518352ND
2016-08-181518352ND
2016-08-181518351ND
2016-08-181518351ND
2016-11-161542213ND
2016-11-161542213ND
2016-11-161542212ND
2016-11-161542212ND
2017-02-0135292582008ND
2017-02-0135292582007ND
2017-02-0135292582008ND
2017-02-0135292582007ND
2017-05-053531061801215.6 ppb
2017-05-053531061801215.6 ppb
2017-05-253531465000144.3 ppb
2017-05-253531465000144.3 ppb
2017-08-023532800200525.1 ppb
2017-08-023532800200622.6 ppb
2017-08-023532800200622.6 ppb
2017-08-023532800200525.1 ppb
2017-11-023534616500257.6 ppb
2017-11-023534616500156.0 ppb
2017-11-023534616500156.0 ppb
2017-11-023534616500257.6 ppb
2018-02-023537211100153.5 ppb
2018-02-023537211100252.5 ppb
2018-02-023537211100153.5 ppb
2018-02-023537211100252.5 ppb
2018-05-033539024600177.1 ppb
2018-05-033539024600266.7 ppb
2018-05-033539024600177.1 ppb
2018-05-033539024600266.7 ppb
2018-08-023540858800240.2 ppb
2018-08-023540858800141.6 ppb
2018-08-023540858800141.6 ppb
2018-08-023540858800240.2 ppb
2018-11-093543020100169.7 ppb
2018-11-093543020100268.7 ppb
2018-11-093543020100169.7 ppb
2018-11-093543020100268.7 ppb
2019-02-01354457430029.50 ppb
2019-02-01354457430018.60 ppb
2019-02-01354457430018.60 ppb
2019-02-01354457430029.50 ppb
2019-05-01354658580028.90 ppb
2019-05-01354658580028.90 ppb
2019-05-01354658580016.20 ppb
2019-05-01354658580016.20 ppb
2019-08-013548724600211.1 ppb
2019-08-013548724600111.0 ppb
2019-08-013548724600111.0 ppb
2019-08-013548724600211.1 ppb
2019-11-143551256700115.1 ppb
2019-11-143551256700215.9 ppb
2019-11-143551256700115.1 ppb
2019-11-143551256700215.9 ppb