Dibromoacetic acid

Shady Oaks Estates Water System

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.

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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	2.00 ppb	4	4	2.00 ppb
2015	2.05 ppb	4	4	1.90 ppb - 2.20 ppb
2016	0.435 ppb	4	2	ND - 0.870 ppb
2017	ND	4	0	ND
2018	2.78 ppb	4	4	0.550 ppb - 5.00 ppb
2019	0.187 ppb	6	2	ND - 0.560 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
2014-06-20	L0044547-02	2.00 ppb
2014-06-20	L0044547-01	2.00 ppb
2014-06-20	L0044547-02	2.00 ppb
2014-06-20	L0044547-01	2.00 ppb
2015-06-17	LA8308-1	1.90 ppb
2015-06-17	LA8308-1	1.90 ppb
2015-06-17	LA8308-2	2.20 ppb
2015-06-17	LA8308-2	2.20 ppb
2016-06-13	LA21736-2	0.870 ppb
2016-06-13	LA21736-1	ND
2016-06-13	LA21736-2	0.870 ppb
2016-06-13	LA21736-1	ND
2017-06-20	35319738009	ND
2017-06-20	35319738010	ND
2017-06-20	35319738009	ND
2017-06-20	35319738010	ND
2018-06-15	35398718001	0.550 ppb
2018-06-15	35398718002	5.00 ppb
2018-06-15	35398718001	0.550 ppb
2018-06-15	35398718002	5.00 ppb
2019-06-14	35475670002	0.560 ppb
2019-06-14	35475670002	0.560 ppb
2019-07-11	35481664001	ND
2019-07-11	35481664002	ND
2019-07-11	35481664001	ND
2019-07-11	35481664002	ND