Dibromoacetic acid

Westwego Waterworks

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

208

Samples

Samples exceeding legal limit (MCL)

134

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.940 ppb	48	26	ND - 3.80 ppb
2015	0.701 ppb	32	24	ND - 1.40 ppb
2016	0.150 ppb	32	8	ND - 0.630 ppb
2017	0.834 ppb	32	22	ND - 1.80 ppb
2018	0.965 ppb	32	32	0.300 ppb - 1.90 ppb
2019	0.596 ppb	32	22	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
2014-03-05	680-99259-10	ND
2014-03-05	680-99259-13	ND
2014-03-05	680-99259-14	ND
2014-03-05	680-99259-15	ND
2014-03-05	680-99259-10	ND
2014-03-05	680-99259-13	ND
2014-03-05	680-99259-14	ND
2014-03-05	680-99259-15	ND
2014-06-02	680-102096-10	0.650 ppb
2014-06-02	680-102096-7	ND
2014-06-02	680-102096-8	0.650 ppb
2014-06-02	680-102096-9	0.670 ppb
2014-06-02	680-102096-10	0.650 ppb
2014-06-02	680-102096-7	ND
2014-06-02	680-102096-8	0.650 ppb
2014-06-02	680-102096-9	0.670 ppb
2014-06-25	680-102714-1	ND
2014-06-25	680-102714-2	ND
2014-06-25	680-102714-3	ND
2014-06-25	680-102714-4	ND
2014-06-25	680-102714-1	ND
2014-06-25	680-102714-2	ND
2014-06-25	680-102714-3	ND
2014-06-25	680-102714-4	ND
2014-07-14	680-103297-1	ND
2014-07-14	680-103297-2	ND
2014-07-14	680-103297-1	ND
2014-07-14	680-103297-2	ND
2014-08-07	680-104089-10	1.40 ppb
2014-08-07	680-104089-11	1.30 ppb
2014-08-07	680-104089-10	1.40 ppb
2014-08-07	680-104089-11	1.30 ppb
2014-09-22	680-105518-1	2.50 ppb
2014-09-22	680-105518-2	3.80 ppb
2014-09-22	680-105518-3	2.50 ppb
2014-09-22	680-105518-4	3.70 ppb
2014-09-22	680-105518-1	2.50 ppb
2014-09-22	680-105518-2	3.80 ppb
2014-09-22	680-105518-3	2.50 ppb
2014-09-22	680-105518-4	3.70 ppb
2014-12-10	680-108143-1	1.20 ppb
2014-12-10	680-108143-2	1.10 ppb
2014-12-10	680-108143-3	1.70 ppb
2014-12-10	680-108143-4	1.40 ppb
2014-12-10	680-108143-1	1.20 ppb
2014-12-10	680-108143-2	1.10 ppb
2014-12-10	680-108143-3	1.70 ppb
2014-12-10	680-108143-4	1.40 ppb
2015-03-04	680-110489-15	ND
2015-03-04	680-110489-15	ND
2015-03-05	680-110489-16	ND
2015-03-05	680-110489-17	ND
2015-03-05	680-110489-18	0.550 ppb
2015-03-05	680-110489-16	ND
2015-03-05	680-110489-17	ND
2015-03-05	680-110489-18	0.550 ppb
2015-06-03	680-113260-15	ND
2015-06-03	680-113260-16	0.670 ppb
2015-06-03	680-113260-17	0.670 ppb
2015-06-03	680-113260-18	0.710 ppb
2015-06-03	680-113260-15	ND
2015-06-03	680-113260-16	0.670 ppb
2015-06-03	680-113260-17	0.670 ppb
2015-06-03	680-113260-18	0.710 ppb
2015-09-08	680-116640-10	1.20 ppb
2015-09-08	680-116640-11	1.10 ppb
2015-09-08	680-116640-12	1.10 ppb
2015-09-08	680-116640-9	1.30 ppb
2015-09-08	680-116640-10	1.20 ppb
2015-09-08	680-116640-11	1.10 ppb
2015-09-08	680-116640-12	1.10 ppb
2015-09-08	680-116640-9	1.30 ppb
2015-12-02	680-119635-10	1.000 ppb
2015-12-02	680-119635-11	0.940 ppb
2015-12-02	680-119635-12	0.570 ppb
2015-12-02	680-119635-13	1.40 ppb
2015-12-02	680-119635-10	1.000 ppb
2015-12-02	680-119635-11	0.940 ppb
2015-12-02	680-119635-12	0.570 ppb
2015-12-02	680-119635-13	1.40 ppb
2016-03-02	680-122526-1	0.520 ppb
2016-03-02	680-122526-2	0.620 ppb
2016-03-02	680-122526-3	0.630 ppb
2016-03-02	680-122526-4	0.630 ppb
2016-03-02	680-122526-1	0.520 ppb
2016-03-02	680-122526-2	0.620 ppb
2016-03-02	680-122526-3	0.630 ppb
2016-03-02	680-122526-4	0.630 ppb
2016-06-13	680-126447-4	ND
2016-06-13	680-126447-5	ND
2016-06-13	680-126447-6	ND
2016-06-13	680-126447-7	ND
2016-06-13	680-126447-4	ND
2016-06-13	680-126447-5	ND
2016-06-13	680-126447-6	ND
2016-06-13	680-126447-7	ND
2016-09-16	680-129934-1	ND
2016-09-16	680-129934-2	ND
2016-09-16	680-129934-3	ND
2016-09-16	680-129934-4	ND
2016-09-16	680-129934-1	ND
2016-09-16	680-129934-2	ND
2016-09-16	680-129934-3	ND
2016-09-16	680-129934-4	ND
2016-12-09	680-133119-1	ND
2016-12-09	680-133119-2	ND
2016-12-09	680-133119-3	ND
2016-12-09	680-133119-4	ND
2016-12-09	680-133119-1	ND
2016-12-09	680-133119-2	ND
2016-12-09	680-133119-3	ND
2016-12-09	680-133119-4	ND
2017-03-06	35299475003	0.820 ppb
2017-03-06	35299475004	0.850 ppb
2017-03-06	35299475005	0.820 ppb
2017-03-06	35299475003	0.820 ppb
2017-03-06	35299475004	0.850 ppb
2017-03-06	35299475005	0.820 ppb
2017-03-09	35300108005	ND
2017-03-09	35300108005	ND
2017-06-05	35316953001	ND
2017-06-05	35316953002	ND
2017-06-05	35316953003	ND
2017-06-05	35316953004	ND
2017-06-05	35316953001	ND
2017-06-05	35316953002	ND
2017-06-05	35316953003	ND
2017-06-05	35316953004	ND
2017-09-14	35335591001	1.20 ppb
2017-09-14	35335591002	1.20 ppb
2017-09-14	35335591003	1.000 ppb
2017-09-14	35335591004	1.10 ppb
2017-09-14	35335591001	1.20 ppb
2017-09-14	35335591002	1.20 ppb
2017-09-14	35335591003	1.000 ppb
2017-09-14	35335591004	1.10 ppb
2017-12-04	35361526001	1.80 ppb
2017-12-04	35361526002	0.950 ppb
2017-12-04	35361526003	1.80 ppb
2017-12-04	35361526004	1.80 ppb
2017-12-04	35361526001	1.80 ppb
2017-12-04	35361526002	0.950 ppb
2017-12-04	35361526003	1.80 ppb
2017-12-04	35361526004	1.80 ppb
2018-03-07	35378732001	0.320 ppb
2018-03-07	35378732002	0.300 ppb
2018-03-07	35378732003	0.320 ppb
2018-03-07	35378732004	0.300 ppb
2018-03-07	35378732001	0.320 ppb
2018-03-07	35378732002	0.300 ppb
2018-03-07	35378732003	0.320 ppb
2018-03-07	35378732004	0.300 ppb
2018-06-06	35396804001	0.750 ppb
2018-06-06	35396804002	0.980 ppb
2018-06-06	35396804003	0.930 ppb
2018-06-06	35396804004	0.920 ppb
2018-06-06	35396804001	0.750 ppb
2018-06-06	35396804002	0.980 ppb
2018-06-06	35396804003	0.930 ppb
2018-06-06	35396804004	0.920 ppb
2018-09-06	35416140001	1.80 ppb
2018-09-06	35416140002	1.60 ppb
2018-09-06	35416140003	1.70 ppb
2018-09-06	35416140004	1.90 ppb
2018-09-06	35416140001	1.80 ppb
2018-09-06	35416140002	1.60 ppb
2018-09-06	35416140003	1.70 ppb
2018-09-06	35416140004	1.90 ppb
2018-12-05	35435394001	0.860 ppb
2018-12-05	35435394002	0.910 ppb
2018-12-05	35435394003	0.920 ppb
2018-12-05	35435394004	0.930 ppb
2018-12-05	35435394001	0.860 ppb
2018-12-05	35435394002	0.910 ppb
2018-12-05	35435394003	0.920 ppb
2018-12-05	35435394004	0.930 ppb
2019-03-08	35453029001	1.000 ppb
2019-03-08	35453029002	0.750 ppb
2019-03-08	35453029003	ND
2019-03-08	35453029004	1.40 ppb
2019-03-08	35453029001	1.000 ppb
2019-03-08	35453029002	0.750 ppb
2019-03-08	35453029003	ND
2019-03-08	35453029004	1.40 ppb
2019-06-07	35473886001	ND
2019-06-07	35473886002	ND
2019-06-07	35473886003	ND
2019-06-07	35473886004	ND
2019-06-07	35473886001	ND
2019-06-07	35473886002	ND
2019-06-07	35473886003	ND
2019-06-07	35473886004	ND
2019-09-06	35495690001	0.770 ppb
2019-09-06	35495690002	0.930 ppb
2019-09-06	35495690003	0.700 ppb
2019-09-06	35495690004	0.990 ppb
2019-09-06	35495690001	0.770 ppb
2019-09-06	35495690002	0.930 ppb
2019-09-06	35495690003	0.700 ppb
2019-09-06	35495690004	0.990 ppb
2019-12-05	35516857001	0.660 ppb
2019-12-05	35516857002	0.740 ppb
2019-12-05	35516857003	0.810 ppb
2019-12-05	35516857004	0.780 ppb
2019-12-05	35516857001	0.660 ppb
2019-12-05	35516857002	0.740 ppb
2019-12-05	35516857003	0.810 ppb
2019-12-05	35516857004	0.780 ppb