Dibromoacetic acid

El Segundo 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

192

Samples

Samples exceeding legal limit (MCL)

182

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	2.83 ppb	32	32	1.80 ppb - 4.40 ppb
2015	3.24 ppb	32	32	2.20 ppb - 4.00 ppb
2016	1.58 ppb	32	29	ND - 4.90 ppb
2017	3.46 ppb	32	29	ND - 5.70 ppb
2018	1.53 ppb	32	28	ND - 2.30 ppb
2019	2.10 ppb	32	32	1.000 ppb - 3.20 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
2014-01-08	3761-800-0845	2.20 ppb
2014-01-08	3761-801-0754	2.20 ppb
2014-01-08	3761-802-0943	2.20 ppb
2014-01-08	3761-803-1007	2.20 ppb
2014-01-08	3761-804-1111	2.10 ppb
2014-01-08	3761-805-1124	2.10 ppb
2014-01-08	3761-806-1140	2.20 ppb
2014-01-08	3761-807-1207	2.00 ppb
2014-04-02	3761-800-0752	2.00 ppb
2014-04-02	3761-801-0703	2.20 ppb
2014-04-02	3761-802-0914	1.80 ppb
2014-04-02	3761-803-0933	2.00 ppb
2014-04-02	3761-804-0949	2.50 ppb
2014-04-02	3761-805-1043	2.00 ppb
2014-04-02	3761-806-1026	2.50 ppb
2014-04-02	3761-807-1103	1.90 ppb
2014-07-02	3761-800-0857	4.10 ppb
2014-07-02	3761-801-0726	4.00 ppb
2014-07-02	3761-802-0917	4.20 ppb
2014-07-02	3761-803-0946	4.30 ppb
2014-07-02	3761-804-1030	4.00 ppb
2014-07-02	3761-805-1132	4.40 ppb
2014-07-02	3761-806-1118	4.00 ppb
2014-07-02	3761-807-1148	4.30 ppb
2014-10-01	3761-800-0805	3.30 ppb
2014-10-01	3761-801-0727	2.70 ppb
2014-10-01	3761-802-0920	3.00 ppb
2014-10-01	3761-803-0938	2.80 ppb
2014-10-01	3761-804-1003	2.80 ppb
2014-10-01	3761-805-1027	2.80 ppb
2014-10-01	3761-806-1040	2.80 ppb
2014-10-01	3761-807-1113	3.00 ppb
2015-01-14	3761-800-0800	3.50 ppb
2015-01-14	3761-801-0733	2.90 ppb
2015-01-14	3761-802-0925	3.30 ppb
2015-01-14	3761-803-0947	3.20 ppb
2015-01-14	3761-804-1017	3.00 ppb
2015-01-14	3761-805-1119	3.30 ppb
2015-01-14	3761-806-1100	3.00 ppb
2015-01-14	3761-807-1130	3.30 ppb
2015-04-01	3761-800-0745	3.60 ppb
2015-04-01	3761-801-0717	4.00 ppb
2015-04-01	3761-802-0915	3.70 ppb
2015-04-01	3761-803-0935	3.70 ppb
2015-04-01	3761-804-0953	2.60 ppb
2015-04-01	3761-805-1025	3.70 ppb
2015-04-01	3761-806-1037	3.70 ppb
2015-04-01	3761-807-1103	3.80 ppb
2015-07-15	3761-800-0758	3.90 ppb
2015-07-15	3761-801-0715	4.00 ppb
2015-07-15	3761-802-0910	3.90 ppb
2015-07-15	3761-803-0930	4.00 ppb
2015-07-15	3761-804-1000	3.80 ppb
2015-07-15	3761-805-1020	3.80 ppb
2015-07-15	3761-806-1037	3.80 ppb
2015-07-15	3761-807-1110	3.90 ppb
2015-10-07	3761-800-0830	2.20 ppb
2015-10-07	3761-801-0752	2.20 ppb
2015-10-07	3761-802-0922	2.50 ppb
2015-10-07	3761-803-0937	2.60 ppb
2015-10-07	3761-804-1010	2.20 ppb
2015-10-07	3761-805-1017	2.30 ppb
2015-10-07	3761-806-1040	2.20 ppb
2015-10-07	3761-807-1105	2.20 ppb
2016-01-13	3761-800-0745	ND
2016-01-13	3761-801-0712	ND
2016-01-13	3761-802-0856	1.10 ppb
2016-01-13	3761-803-0928	1.10 ppb
2016-01-13	3761-804-0949	1.10 ppb
2016-01-13	3761-805-1002	1.10 ppb
2016-01-13	3761-806-1017	1.000 ppb
2016-01-13	3761-807-1050	1.000 ppb
2016-04-13	3761-800-0838	1.10 ppb
2016-04-13	3761-801-0749	1.10 ppb
2016-04-13	3761-802-1027	1.70 ppb
2016-04-13	3761-803-1053	1.80 ppb
2016-04-13	3761-804-1131	1.80 ppb
2016-04-13	3761-805-1147	1.40 ppb
2016-04-13	3761-806-1210	1.20 ppb
2016-04-13	3761-807-1235	1.30 ppb
2016-07-06	3761-800-0800	2.10 ppb
2016-07-06	3761-801-0730	1.60 ppb
2016-07-06	3761-802-0923	2.40 ppb
2016-07-06	3761-803-0943	2.50 ppb
2016-07-06	3761-804-1010	2.40 ppb
2016-07-06	3761-805-1026	1.90 ppb
2016-07-06	3761-806-1041	1.80 ppb
2016-07-06	3761-807-1107	2.30 ppb
2016-10-05	3761-800-0806	4.90 ppb
2016-10-05	3761-801-0725	1.10 ppb
2016-10-05	3761-802-0945	ND
2016-10-05	3761-803-0957	1.000 ppb
2016-10-05	3761-804-1012	3.70 ppb
2016-10-05	3761-805-1050	1.20 ppb
2016-10-05	3761-806-1034	2.30 ppb
2016-10-05	3761-807-1100	1.50 ppb
2017-01-04	3761-800-0725	2.60 ppb
2017-01-04	3761-801-0805	2.50 ppb
2017-01-04	3761-802-0915	2.60 ppb
2017-01-04	3761-803-0930	2.80 ppb
2017-01-04	3761-804-0955	2.70 ppb
2017-01-04	3761-805-1010	2.20 ppb
2017-01-04	3761-806-1020	2.20 ppb
2017-01-04	3761-807-1045	2.40 ppb
2017-04-05	3761-800-0740	1.000 ppb
2017-04-05	3761-801-0815	1.000 ppb
2017-04-05	3761-802-0940	ND
2017-04-05	3761-803-0955	ND
2017-04-05	3761-804-1035	1.40 ppb
2017-04-05	3761-805-1045	1.40 ppb
2017-04-05	3761-806-1100	1.10 ppb
2017-04-05	3761-807-1110	ND
2017-07-12	3761-800-0804	5.20 ppb
2017-07-12	3761-801-0741	5.50 ppb
2017-07-12	3761-802-0926	5.00 ppb
2017-07-12	3761-803-0959	5.20 ppb
2017-07-12	3761-804-1016	5.40 ppb
2017-07-12	3761-805-1030	5.50 ppb
2017-07-12	3761-806-1115	4.90 ppb
2017-07-12	3761-807-1133	5.40 ppb
2017-10-04	3761-800-0757	5.70 ppb
2017-10-04	3761-801-0810	5.40 ppb
2017-10-04	3761-802-0950	5.40 ppb
2017-10-04	3761-803-1015	5.50 ppb
2017-10-04	3761-804-1054	5.40 ppb
2017-10-04	3761-805-1110	5.60 ppb
2017-10-04	3761-806-1140	5.50 ppb
2017-10-04	3761-807-1212	4.10 ppb
2018-01-03	3761-800-0706	1.70 ppb
2018-01-03	3761-801-0736	2.20 ppb
2018-01-03	3761-802-0835	1.90 ppb
2018-01-03	3761-803-0845	2.00 ppb
2018-01-03	3761-804-0856	2.20 ppb
2018-01-03	3761-805-0910	2.30 ppb
2018-01-03	3761-806-0937	2.20 ppb
2018-01-03	3761-807-0950	2.00 ppb
2018-07-18	3761-800-0715	1.30 ppb
2018-07-18	3761-801-0737	1.60 ppb
2018-07-18	3761-802-0843	1.50 ppb
2018-07-18	3761-803-0900	1.40 ppb
2018-07-18	3761-804-0922	1.50 ppb
2018-07-18	3761-805-0932	1.70 ppb
2018-07-18	3761-806-1012	1.50 ppb
2018-07-18	3761-807-1026	1.40 ppb
2018-10-03	3761-800-0821	1.70 ppb
2018-10-03	3761-801-0802	2.20 ppb
2018-10-03	3761-802-0908	1.80 ppb
2018-10-03	3761-803-0921	1.80 ppb
2018-10-03	3761-804-0938	2.00 ppb
2018-10-03	3761-805-0948	1.90 ppb
2018-10-03	3761-806-1007	1.80 ppb
2018-10-03	3761-807-1028	1.80 ppb
2018-12-04	4790-800-0845	1.50 ppb
2018-12-04	4790-801-1158	1.40 ppb
2018-12-04	4790-802-1045	1.40 ppb
2018-12-04	4790-803-1050	1.40 ppb
2018-12-04	4790-804-1054	ND
2018-12-04	4790-805-1103	ND
2018-12-04	4790-806-1114	ND
2018-12-04	4790-807-1136	ND
2019-01-09	3761-800-1015	1.50 ppb
2019-01-09	3761-801-0625	1.70 ppb
2019-01-09	3761-802-1035	1.60 ppb
2019-01-09	3761-803-1046	1.60 ppb
2019-01-09	3761-804-1056	2.00 ppb
2019-01-09	3761-805-1109	1.60 ppb
2019-01-09	3761-806-1117	1.60 ppb
2019-01-09	3761-807-1124	1.60 ppb
2019-04-03	3761-800-0824	3.20 ppb
2019-04-03	3761-801-0847	3.00 ppb
2019-04-03	3761-802-0936	2.60 ppb
2019-04-03	3761-803-0945	2.80 ppb
2019-04-03	3761-804-0959	2.90 ppb
2019-04-03	3761-805-1007	3.00 ppb
2019-04-03	3761-806-1019	3.10 ppb
2019-04-03	3761-807-1038	2.60 ppb
2019-07-03	3761-800-0809	2.70 ppb
2019-07-03	3761-801-0737	2.80 ppb
2019-07-03	3761-802-0910	2.90 ppb
2019-07-03	3761-803-0925	3.00 ppb
2019-07-03	3761-804-0950	2.70 ppb
2019-07-03	3761-805-1000	2.70 ppb
2019-07-03	3761-806-1014	2.80 ppb
2019-07-03	3761-807-1034	2.90 ppb
2019-10-02	3761-800-0747	1.000 ppb
2019-10-02	3761-801-0724	1.10 ppb
2019-10-02	3761-802-0830	1.10 ppb
2019-10-02	3761-803-0842	1.10 ppb
2019-10-02	3761-804-0858	1.000 ppb
2019-10-02	3761-805-0910	1.000 ppb
2019-10-02	3761-806-0920	1.000 ppb
2019-10-02	3761-807-0938	1.000 ppb