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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Tilden

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
20170.738 ppb42ND - 1.52 ppb
2018ND40ND
2019ND40ND

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
2014-02-131402693-001AND
2014-05-141405850-001AND
2014-08-131408857-001AND
2014-11-131411880-001AND
2015-02-231502E80-001AND
2015-05-201505H84-001AND
2015-08-181508G52-001AND
2015-11-171511E76-001AND
2016-02-101602792-001AND
2016-05-101605948-001AND
2016-08-161608F14-002AND
2016-11-081611647-002AND
2017-02-071702562-001A1.52 ppb
2017-05-261705L76-001AND
2017-08-237084874-011.43 ppb
2017-11-287114623-01ND
2018-03-058031102-01ND
2018-05-08050918029ND
2018-08-288086009-01ND
2018-11-07110818015ND
2019-02-11021219022ND
2019-05-139053188-02ND
2019-08-27082719018ND
2019-11-07111419025ND