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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Southwest Harbor Water & Sewer District

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND100ND
2016ND60ND
2017ND50ND
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 Lab ID Result
2014-03-18ND
2014-06-25ND
2014-07-23ND
2014-08-19ND
2014-09-29ND
2014-12-10ND
2015-03-17K003543001ND
2015-04-15K012042001ND
2015-05-13K016130001ND
2015-06-23K020893001ND
2015-07-15K026713001ND
2015-08-11K032157001ND
2015-09-21K037420001ND
2015-10-28K041007001ND
2015-11-18K045676001ND
2015-12-07K048591001ND
2016-04-20L012472001ND
2016-06-20L020991001ND
2016-07-18L025994001ND
2016-09-20L037566001ND
2016-11-14L037555001ND
2016-12-13L049264001ND
2017-01-30M000455001ND
2017-03-201700524-01ND
2017-04-121703270-01ND
2017-05-171705075-01ND
2017-06-131707582-01ND