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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Warwick-potowomut

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND40ND
2016ND40ND
2017ND50ND
20180.325 ppb41ND - 1.30 ppb
20190.367 ppb31ND - 1.10 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
2014-11-171411-25800-001ND
2015-02-191502-03460-001ND
2015-05-201505-10285-001ND
2015-08-201508-17877-001ND
2015-11-191511-25226-001ND
2016-02-191602-03942-001ND
2016-05-181605-11345-001ND
2016-08-171608-19354-001ND
2016-11-231611-27523-001ND
2017-02-161702-03364-001ND
2017-05-181705-10509-001ND
2017-07-271707-16157-001ND
2017-08-231708-18234-001ND
2017-11-291711-25831-001ND
2018-02-161802-03536-0011.30 ppb
2018-05-151805-10141-001ND
2018-08-171808-17633-001ND
2018-11-151811-24583-001ND
2019-02-151902-03002-001ND
2019-05-161905-09016-001ND
2019-11-141911-21291-0011.10 ppb