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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

King County Water District 111

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND160ND
2015ND60ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-02-2882978ND
2014-02-2882977ND
2014-02-2882976ND
2014-02-2882975ND
2014-05-1283087ND
2014-05-1283086ND
2014-05-1283089ND
2014-05-1283088ND
2014-08-1983457ND
2014-08-1983460ND
2014-08-1983459ND
2014-08-1983458ND
2014-11-0683794ND
2014-11-0683792ND
2014-11-0683795ND
2014-11-0683793ND
2015-02-1183994ND
2015-02-1183992ND
2015-02-1183993ND
2015-02-1183995ND
2015-11-1084723ND
2015-11-1084722ND
2016-11-09ND
2016-11-09ND
2017-11-08ND
2017-11-08ND
2018-11-07ND
2018-11-07ND
2019-10-16ND
2019-10-16ND