Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dibromoacetic acid

City of Olympia

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.138 ppb324ND - 1.19 ppb
2015ND60ND
20160.800 ppb42ND - 1.70 ppb
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
2014-01-2303698ND
2014-01-2303697ND
2014-01-2303702ND
2014-01-2303701ND
2014-01-2303696ND
2014-01-2303695ND
2014-01-2303700ND
2014-01-2303699ND
2014-04-1710846ND
2014-04-1710840ND
2014-04-17108381.09 ppb
2014-04-1710848ND
2014-04-1710844ND
2014-04-17108361.08 ppb
2014-04-17108421.07 ppb
2014-04-17108501.19 ppb
2014-07-1731426ND
2014-07-1731425ND
2014-07-1731423ND
2014-07-1731427ND
2014-07-1731424ND
2014-07-1731428ND
2014-07-1731429ND
2014-07-1731430ND
2014-10-1546532ND
2014-10-1546538ND
2014-10-1546534ND
2014-10-1546533ND
2014-10-1546536ND
2014-10-1546535ND
2014-10-1546539ND
2014-10-1546537ND
2015-01-2203454ND
2015-01-2203453ND
2015-01-2203456ND
2015-01-2203455ND
2015-05-0620012ND
2015-05-0620011ND
2016-04-071.70 ppb
2016-04-071.50 ppb
2016-07-07ND
2016-07-07ND
2017-04-12ND
2017-04-12ND
2018-04-11ND
2018-04-11ND
2019-04-16ND
2019-04-16ND