EWG's Tap Water Database — 2021 UPDATE


Dibromoacetic acid

Lincoln Tn Of SD 1

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.





Samples exceeding legal limit (MCL)


Samples exceeding
health guidelines

Testing results - average by year

YearAverage resultSamples takenDetectionsRange of results
20140.530 ppb110.530 ppb
20150.180 ppb110.180 ppb
20160.420 ppb110.420 ppb
20170.490 ppb110.490 ppb
20180.330 ppb110.330 ppb
20190.480 ppb110.480 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
2014-08-198117980.530 ppb
2017-08-1510115050.490 ppb