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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Louisiana PWS

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND80ND
2016ND80ND
20170.150 ppb81ND - 1.20 ppb
20180.206 ppb81ND - 1.65 ppb
2019ND80ND

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
2014-03-20AC19887ND
2014-03-20AC19888ND
2014-06-16AC28631ND
2014-06-16AC28629ND
2014-06-16AC28630ND
2014-06-16AC28628ND
2014-09-22AC35626ND
2014-09-22AC35627ND
2014-12-08AC39495ND
2014-12-08AC39496ND
2015-03-09AC43575ND
2015-03-09AC43574ND
2015-06-08AC51242ND
2015-06-08AC51241ND
2015-09-22AC59517ND
2015-09-22AC59518ND
2015-12-29AC63948ND
2015-12-29AC63947ND
2016-03-09AC67649ND
2016-03-09AC67648ND
2016-06-07AC74889ND
2016-06-07AC74890ND
2016-09-30AC83869ND
2016-09-30AC83868ND
2016-12-28AC88460ND
2016-12-28AC88461ND
2017-03-27AC92147ND
2017-03-27AC92146ND
2017-06-28AC98485ND
2017-06-28AC98486ND
2017-09-27AD064631.20 ppb
2017-09-27AD06464ND
2017-12-27AD10615ND
2017-12-27AD10616ND
2018-03-27AD16494ND
2018-03-27AD16493ND
2018-06-26AD27305ND
2018-08-13AD318631.65 ppb
2018-09-19AD32929ND
2018-09-19AD32930ND
2018-12-19AD36778ND
2018-12-19AD36779ND
2019-03-14AD40521ND
2019-03-14AD40522ND
2019-06-19AD49114ND
2019-06-19AD49115ND
2019-09-23AD55199ND
2019-09-23AD55200ND
2019-12-17AD59106ND
2019-12-17AD59107ND