Dibromoacetic acid

City of Hilshire Village

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	0.950 ppb	4	2	ND - 2.70 ppb
2015	ND	4	0	ND
2016	0.250 ppb	4	1	ND - 1.000 ppb
2017	1.30 ppb	4	3	ND - 1.90 ppb
2018	1.03 ppb	4	3	ND - 1.60 ppb
2019	0.950 ppb	4	3	ND - 1.40 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
2014-03-03	AC45299	1.10 ppb
2014-05-12	AC53864	2.70 ppb
2014-07-22	AC60552	ND
2014-10-17	AC70086	ND
2015-01-23	AC77728	ND
2015-05-15	AC92265	ND
2015-07-10	AC99080	ND
2015-12-11	AD16756	ND
2016-01-20	AD18885	ND
2016-04-26	AD34154	ND
2016-07-20	AD44900	ND
2016-10-05	AD52559	1.000 ppb
2017-01-05	AD63203	1.90 ppb
2017-04-19	AD80125	1.60 ppb
2017-08-17	AD93352	ND
2017-10-18	AE01304	1.70 ppb
2018-01-11	AE08903	1.000 ppb
2018-04-06	AE21674	ND
2018-08-06	AE35804	1.60 ppb
2018-10-04	AE42691	1.50 ppb
2019-02-11	AE53719	1.30 ppb
2019-04-01	AE60629	ND
2019-07-10	AE73853	1.40 ppb
2019-11-20	AE89924	1.10 ppb