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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Choice Water Supply Corporation

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.05 ppb221.40 ppb - 2.70 ppb
20153.80 ppb21ND - 7.60 ppb
20162.65 ppb221.50 ppb - 3.80 ppb
20178.85 ppb21ND - 17.7 ppb
20183.09 ppb82ND - 21.7 ppb
20190.163 ppb81ND - 1.30 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
2014-09-02Q14409660061.40 ppb
2014-09-02Q14409660052.70 ppb
2015-07-30Q1529716018ND
2015-07-30Q15297160177.60 ppb
2016-09-13Q16371450101.50 ppb
2016-09-13Q16371450093.80 ppb
2017-09-28Q1747290001ND
2017-09-28Q174729000217.7 ppb
2018-02-26Q1808049001ND
2018-02-26Q1808049002ND
2018-06-04Q1821964003ND
2018-06-04Q1821964007ND
2018-09-25Q1838495010ND
2018-09-25Q1838495005ND
2018-12-11Q18506710083.00 ppb
2018-12-11Q185067100221.7 ppb
2019-03-14Q1910905002ND
2019-03-14Q1910905005ND
2019-06-17Q1936817008ND
2019-06-17Q1936817007ND
2019-09-23Q1968124002ND
2019-09-23Q1968124001ND
2019-12-09Q19792650011.30 ppb
2019-12-09Q1979265002ND