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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Chesapeake - Northwest River 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

 

104

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND80ND
20161.38 ppb81ND - 11.0 ppb
20170.188 ppb324ND - 2.01 ppb
20180.285 ppb326ND - 1.90 ppb
20190.792 ppb2414ND - 3.00 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
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-05VA010-DCLSND
2015-03-10VA010-DCLSND
2016-12-0516-21871-HAA11.0 ppb
2016-12-0516-21872-HAAND
2016-12-0516-21873-HAAND
2016-12-0516-21867-HAAND
2016-12-0516-21870-HAAND
2016-12-0516-21866-HAAND
2016-12-0516-21868-HAAND
2016-12-0516-21869-HAAND
2017-03-0617-04078-HAAND
2017-03-0617-04079-HAAND
2017-03-0617-04080-HAAND
2017-03-0617-04081-HAAND
2017-03-0617-04082-HAAND
2017-03-0617-04075-HAAND
2017-03-0617-04076-HAAND
2017-03-0617-04077-HAAND
2017-06-0517-09883-HAA2.00 ppb
2017-06-0517-09889-HAA1.000 ppb
2017-06-0517-09884-HAA1.000 ppb
2017-06-0517-09886-HAAND
2017-06-0517-09887-HAAND
2017-06-0517-09888-HAAND
2017-06-0517-09885-HAAND
2017-06-0517-09890-HAAND
2017-09-0517-16192-HAAND
2017-09-0517-16193-HAAND
2017-09-0517-16186-HAAND
2017-09-0517-16187-HAAND
2017-09-0517-16188-HAAND
2017-09-0517-16189-HAAND
2017-09-0517-16190-HAAND
2017-09-0517-16191-HAAND
2017-12-04217340-322.01 ppb
2017-12-04217340-30ND
2017-12-04217340-31ND
2017-12-04217340-33ND
2017-12-04217340-34ND
2017-12-04217340-35ND
2017-12-04217340-36ND
2017-12-04217340-37ND
2018-03-05218066-12ND
2018-03-05218066-13ND
2018-03-05218066-141.82 ppb
2018-03-05218066-15ND
2018-03-05218066-16ND
2018-03-05218066-17ND
2018-03-05218066-18ND
2018-03-05218066-19ND
2018-06-04218157-02ND
2018-06-04218157-03ND
2018-06-04218157-04ND
2018-06-04218157-05ND
2018-06-04218157-06ND
2018-06-04218157-07ND
2018-06-04218157-08ND
2018-06-04218157-09ND
2018-09-0418100910-05HAAND
2018-09-0418100910-06HAAND
2018-09-0418100910-07HAAND
2018-09-0418100910-08HAAND
2018-09-0418100910-09HAAND
2018-09-0418100910-10HAAND
2018-09-0418100910-11HAAND
2018-09-0418100910-12HAAND
2018-12-0318120506-01HAAND
2018-12-0318120506-02HAAND
2018-12-0318120506-03HAAND
2018-12-0318120506-04HAA1.60 ppb
2018-12-0318120506-05HAA1.30 ppb
2018-12-0318120506-06HAA1.30 ppb
2018-12-0318120506-07HAA1.90 ppb
2018-12-0318120506-08HAA1.20 ppb
2019-03-0419030511-01HND
2019-03-0419030511-02HND
2019-03-0419030511-03HND
2019-03-0419030511-04HND
2019-03-0419030511-05HND
2019-03-0419030511-06HND
2019-03-0419030511-07HND
2019-03-0419030511-08HND
2019-09-0319090401-01H2.00 ppb
2019-09-0319090401-02H1.000 ppb
2019-09-0319090401-03HND
2019-09-0319090401-04H2.00 ppb
2019-09-0319090401-05H1.000 ppb
2019-09-0319090401-06H1.000 ppb
2019-09-0319090401-07H2.00 ppb
2019-09-0319090401-08H1.000 ppb
2019-12-0219120301-01H1.000 ppb
2019-12-0219120301-02H1.000 ppb
2019-12-0219120301-03HND
2019-12-0219120301-04H1.000 ppb
2019-12-0219120301-05H1.000 ppb
2019-12-0219120301-06H1.000 ppb
2019-12-0219120301-07H3.00 ppb
2019-12-0219120301-08H1.000 ppb