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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Leominster Water Division (MWRA)

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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND200ND
2016ND160ND
2017ND160ND
2018N/A00N/A
2019N/A00N/A

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 Result
2015-01-28ND
2015-01-28ND
2015-01-28ND
2015-01-28ND
2015-03-31ND
2015-03-31ND
2015-03-31ND
2015-03-31ND
2015-04-28ND
2015-04-28ND
2015-04-28ND
2015-04-28ND
2015-07-30ND
2015-07-30ND
2015-07-30ND
2015-07-30ND
2015-10-27ND
2015-10-27ND
2015-10-27ND
2015-10-27ND
2016-01-26ND
2016-01-26ND
2016-01-26ND
2016-01-26ND
2016-04-27ND
2016-04-27ND
2016-04-27ND
2016-04-27ND
2016-07-26ND
2016-07-26ND
2016-07-26ND
2016-07-26ND
2016-10-25ND
2016-10-25ND
2016-10-25ND
2016-10-25ND
2017-01-25ND
2017-01-25ND
2017-01-25ND
2017-01-25ND
2017-04-26ND
2017-04-26ND
2017-04-26ND
2017-04-26ND
2017-07-25ND
2017-07-25ND
2017-07-25ND
2017-07-25ND
2017-10-24ND
2017-10-24ND
2017-10-24ND
2017-10-24ND