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EWG's Tap Water Database — 2021 UPDATE

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Chlorodibromoacetic acid

Farber PWS

Chlorodibromoacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

 

14

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND40ND
2017ND40ND
2018ND20ND
20192.39 ppb112.39 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chlorodibromoacetic 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
2014-08-21AC33152ND
2015-08-11AC57307ND
2015-12-09AC64401ND
2016-02-10AC66266ND
2016-05-25AC71959ND
2016-08-15AC81555ND
2016-11-17AC86858ND
2017-02-24AC90721ND
2017-05-09AC95691ND
2017-08-15AD03274ND
2017-12-28AD10464ND
2018-02-14AD14191ND
2018-08-23AD31094ND
2019-08-21AD538192.39 ppb