Monobromoacetic acid

Waterworks District 7

Monobromoacetic 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	Range of results
2014	ND	4	ND
2015	ND	4	ND
2016	ND	4	ND
2017	ND	4	ND
2018	ND	4	ND
2019	ND	4	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against muscular degeneration.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-08-05	1323129	ND
2014-08-05	1323128	ND
2014-08-05	1323129	ND
2014-08-05	1323128	ND
2015-06-25	1405769	ND
2015-06-25	1405769	ND
2015-06-25	1405770	ND
2015-06-25	1405770	ND
2016-05-05	1489002	ND
2016-05-05	1489003	ND
2016-05-05	1489003	ND
2016-05-05	1489002	ND
2017-05-05	35311308031	ND
2017-05-05	35311308031	ND
2017-05-05	35311308030	ND
2017-05-05	35311308030	ND
2018-05-10	35392006002	ND
2018-05-10	35392006001	ND
2018-05-10	35392006001	ND
2018-05-10	35392006002	ND
2019-05-01	35465767001	ND
2019-05-01	35465767002	ND
2019-05-01	35465767001	ND
2019-05-01	35465767002	ND