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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Ardmore

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.

MORE ABOUT THIS CONTAMINANT

 

100

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.915 ppb164ND - 3.93 ppb
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
2019ND200ND

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
2014-02-111402232ND
2014-02-111402231ND
2014-02-111402230ND
2014-02-111402229ND
2014-05-131405458ND
2014-05-131405457ND
2014-05-131405456ND
2014-05-131405455ND
2014-08-121408383ND
2014-08-121408382ND
2014-08-121408381ND
2014-08-121408380ND
2014-11-1314113923.66 ppb
2014-11-1314113893.93 ppb
2014-11-1314113903.23 ppb
2014-11-1314113913.82 ppb
2015-02-101502405ND
2015-02-101502404ND
2015-02-101502403ND
2015-02-101502402ND
2015-05-121505445ND
2015-05-121505444ND
2015-05-121505443ND
2015-05-121505442ND
2015-08-111508349ND
2015-08-111508346ND
2015-08-111508347ND
2015-08-111508348ND
2015-11-171511512ND
2015-11-171511511ND
2015-11-171511510ND
2015-11-171511509ND
2016-02-091602356ND
2016-02-091602355ND
2016-02-091602354ND
2016-02-091602353ND
2016-05-101605339ND
2016-05-101605337ND
2016-05-101605338ND
2016-05-101605340ND
2016-08-091608265ND
2016-08-091608264ND
2016-08-091608263ND
2016-08-091608262ND
2016-11-011611077ND
2016-11-011611076ND
2016-11-011611075ND
2016-11-011611074ND
2017-02-161702547ND
2017-02-161702546ND
2017-02-161702545ND
2017-02-161702544ND
2017-05-181705575ND
2017-05-181705574ND
2017-05-181705573ND
2017-05-181705572ND
2017-08-021708031ND
2017-08-021708030ND
2017-08-021708029ND
2017-08-021708028ND
2017-11-141711426ND
2017-11-141711424ND
2017-11-141711425ND
2017-11-141711427ND
2018-02-201802565ND
2018-02-201802564ND
2018-02-201802563ND
2018-02-201802562ND
2018-05-151805482ND
2018-05-151805481ND
2018-05-151805480ND
2018-05-151805479ND
2018-08-2118081125ND
2018-08-2118081124ND
2018-08-2118081126ND
2018-08-2118081127ND
2018-11-271811688ND
2018-11-271811687ND
2018-11-271811686ND
2018-11-271811685ND
2019-02-121902393ND
2019-02-121902392ND
2019-02-121902391ND
2019-02-121902390ND
2019-02-281902692ND
2019-02-281902690ND
2019-02-281902691ND
2019-02-281902693ND
2019-05-161905524ND
2019-05-161905523ND
2019-05-161905522ND
2019-05-161905521ND
2019-08-211908624ND
2019-08-211908623ND
2019-08-211908622ND
2019-08-211908621ND
2019-11-191911604ND
2019-11-191911605ND
2019-11-191911606ND
2019-11-191911603ND