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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Washington Aqueduct Division

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND80ND
2014ND80ND
2015N/A00N/A
20160.288 ppb82ND - 1.20 ppb
20170.343 ppb72ND - 1.40 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
2012-02-01McMillanND
2012-02-01DalecarliaND
2012-05-01DalecarliaND
2012-05-01McMillanND
2012-08-01DalecarliaND
2012-08-01McMillanND
2012-11-01DalecarliaND
2012-11-01McMillanND
2013-02-01DalecarliaND
2013-02-01McMillanND
2013-05-01DalecarliaND
2013-05-01McMillanND
2013-08-01DalecarliaND
2013-08-01McMillanND
2013-11-01DalecarliaND
2013-11-01McMillanND
2014-02-01DalecarliaND
2014-02-01McMillanND
2014-05-01DalecarliaND
2014-05-01McMillanND
2014-08-01DalecarliaND
2014-08-01McMillanND
2014-11-01DalecarliaND
2014-11-01McMillanND
2016-02-01DalecarliaND
2016-02-01McMillanND
2016-05-01DalecarliaND
2016-05-01McMillanND
2016-08-01Dalecarlia1.20 ppb
2016-08-01McMillan1.10 ppb
2016-11-01DalecarliaND
2016-11-01McMillanND
2017-02-01DalecarliaND
2017-02-01McMillan1.000 ppb
2017-05-01DalecarliaND
2017-05-01McMillanND
2017-08-01DalecarliaND
2017-08-01McMillan1.40 ppb
2017-11-01DalecarliaND