Dibromoacetic acid

Jefferson Water Department

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.631 ppb	8	5	ND - 1.25 ppb
2015	0.850 ppb	2	2	0.690 ppb - 1.01 ppb
2016	1.52 ppb	4	4	1.09 ppb - 1.83 ppb
2017	1.29 ppb	6	6	0.880 ppb - 1.63 ppb
2018	ND	2	0	ND
2019	1.09 ppb	4	4	0.960 ppb - 1.19 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
2014-01-23	2031105	ND
2014-01-23	2031106	0.950 ppb
2014-04-22	2047164	ND
2014-04-22	2047165	1.21 ppb
2014-07-17	2066364	0.540 ppb
2014-07-17	2066363	ND
2014-10-15	2087601	1.10 ppb
2014-10-15	2087602	1.25 ppb
2015-07-08	1G50716-01	1.01 ppb
2015-07-08	1G50716-02	0.690 ppb
2016-07-19	1G61476-01	1.09 ppb
2016-07-19	1G61476-02	1.78 ppb
2016-10-17	1J61223-02	1.83 ppb
2016-10-17	1J61223-01	1.39 ppb
2017-01-19	1A71240-01	1.38 ppb
2017-01-19	1A71240-02	1.34 ppb
2017-04-25	1D71834-01	0.880 ppb
2017-04-25	1D71834-02	0.940 ppb
2017-07-24	1G71716-01	1.63 ppb
2017-07-24	1G71716-02	1.59 ppb
2018-07-10	1G80839-01	ND
2018-07-10	1G80839-02	ND
2019-07-09	1G90865-01	1.17 ppb
2019-07-09	1G90865-02	1.04 ppb
2019-10-09	1J91034-01	0.960 ppb
2019-10-09	1J91034-02	1.19 ppb