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EWG's Tap Water Database — 2021 UPDATE

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Chlorodibromoacetic acid

Tina 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
201511.2 ppb1111.2 ppb
20161.05 ppb52ND - 3.46 ppb
20171.56 ppb42ND - 4.55 ppb
2018ND10ND
20193.32 ppb113.32 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
2014-09-29AC36283ND
2015-09-26AC5953911.2 ppb
2016-01-04AC63969ND
2016-03-23AC67672ND
2016-06-21AC749173.46 ppb
2016-09-26AC83899ND
2016-12-26AC884841.78 ppb
2017-03-27AC921704.55 ppb
2017-06-21AC98514ND
2017-09-25AD06488ND
2017-12-27AD106391.68 ppb
2018-09-26AD32953ND
2019-09-22AD552283.32 ppb