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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Herndon

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

51

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.771 ppb168ND - 1.88 ppb
20150.975 ppb1610ND - 1.76 ppb
20160.954 ppb168ND - 2.64 ppb
20171.19 ppb169ND - 3.40 ppb
20180.671 ppb168ND - 1.62 ppb
20190.751 ppb168ND - 1.67 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
2014-02-11FW14012205-04_HAND
2014-02-11FW14012205-02_HAND
2014-02-11FW14012205-03_HAND
2014-02-11FW14012205-01_HAND
2014-05-06FW14050105-02_HAND
2014-05-06FW14050105-04_HAND
2014-05-06FW14050105-03_HAND
2014-05-06FW14050105-01_HAND
2014-08-12FW14072408-03_HA1.80 ppb
2014-08-12FW14072408-01_HA1.88 ppb
2014-08-12FW14072408-04_HA1.69 ppb
2014-08-12FW14072408-02_HA1.75 ppb
2014-11-12FW141016008-03_H1.27 ppb
2014-11-12FW141016008-02_H1.34 ppb
2014-11-12FW141016008-01_H1.35 ppb
2014-11-12FW141016008-04_H1.25 ppb
2015-02-1000125-FAIRFAX COND
2015-02-1000125-FAIRFAX COND
2015-02-1000125-FAIRFAX COND
2015-02-1000125-FAIRFAX COND
2015-05-1200125-FAIRFAX COND
2015-05-1200125-FAIRFAX COND
2015-05-1200125-FAIRFAX CO1.29 ppb
2015-05-1200125-FAIRFAX CO1.29 ppb
2015-08-1100125-FAIRFAX CO1.68 ppb
2015-08-1100125-FAIRFAX CO1.70 ppb
2015-08-1100125-FAIRFAX CO1.70 ppb
2015-08-1100125-FAIRFAX CO1.76 ppb
2015-11-1000125-FAIRFAX CO1.55 ppb
2015-11-1000125-FAIRFAX CO1.68 ppb
2015-11-1000125-FAIRFAX CO1.44 ppb
2015-11-1000125-FAIRFAX CO1.51 ppb
2016-02-09FW160121029-01_HND
2016-02-09FW160121029-02_HND
2016-02-09FW160121029-03_HND
2016-02-09FW160121029-04_HND
2016-05-11FW160422006-04_HND
2016-05-11FW160422006-01_H1.70 ppb
2016-05-11FW160422006-02_HND
2016-05-11FW160422006-03_HND
2016-08-09FW160718007-03_H2.44 ppb
2016-08-09FW160718007-01_H2.26 ppb
2016-08-09FW160718007-04_H2.51 ppb
2016-08-09FW160718007-02_H2.64 ppb
2016-11-08FW161013010-01_HND
2016-11-08FW161013010-02_H1.16 ppb
2016-11-08FW161013010-03_H1.35 ppb
2016-11-08FW161013010-04_H1.21 ppb
2017-02-07FW161018085-04_H1.21 ppb
2017-02-07FW161018085-02_H1.31 ppb
2017-02-07FW161018085-03_H1.34 ppb
2017-02-07FW161018085-01_H1.44 ppb
2017-05-09FW170414004-02_HND
2017-05-09FW170414004-04_HND
2017-05-09FW170414004-03_HND
2017-05-09FW170414004-01_H1.54 ppb
2017-08-08FW170629005-02_H3.24 ppb
2017-08-08FW170629005-04_H3.40 ppb
2017-08-08FW170629005-03_H3.14 ppb
2017-08-08FW170629005-01_H2.46 ppb
2017-11-07FW171013004-01_HND
2017-11-07FW171013004-02_HND
2017-11-07FW171013004-03_HND
2017-11-07FW171013004-04_HND
2018-02-06FW180111003-04_H1.62 ppb
2018-02-06FW180111003-03_H1.56 ppb
2018-02-06FW180111003-02_H1.52 ppb
2018-02-06FW180111003-01_H1.54 ppb
2018-05-08FW180419004-04_H1.20 ppb
2018-05-08FW180419004-01_H1.09 ppb
2018-05-08FW180419004-02_H1.10 ppb
2018-05-08FW180419004-03_H1.10 ppb
2018-08-07FW180716033-04_HND
2018-08-07FW180716033-03_HND
2018-08-07FW180716033-02_HND
2018-08-07FW180716033-01_HND
2018-11-07FW181023105-01_HND
2018-11-07FW181023105-02_HND
2018-11-07FW181023105-03_HND
2018-11-07FW181023105-04_HND
2019-02-12FW190114010-01_HND
2019-02-12FW190114010-02_HND
2019-02-12FW190114010-03_HND
2019-02-12FW190114010-04_HND
2019-05-07FW190422009-01_H1.57 ppb
2019-05-07FW190422009-04_H1.22 ppb
2019-05-07FW190422009-03_H1.23 ppb
2019-05-07FW190422009-02_H1.51 ppb
2019-08-08FW190726005-02_H1.55 ppb
2019-08-08FW190726005-04_H1.67 ppb
2019-08-08FW190726005-03_H1.63 ppb
2019-08-08FW190726005-01_H1.64 ppb
2019-11-12FW191027005-04_HND
2019-11-12FW191027005-03_HND
2019-11-12FW191027005-02_HND
2019-11-12FW191027005-01_HND