Bromoform

Village Water System

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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)

132

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	1.57 ppb	32	18	ND - 5.60 ppb
2015	1.78 ppb	32	18	ND - 4.20 ppb
2016	2.44 ppb	32	24	ND - 6.10 ppb
2017	2.63 ppb	32	30	ND - 5.50 ppb
2018	1.51 ppb	32	20	ND - 6.40 ppb
2019	1.39 ppb	32	24	ND - 4.90 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-25	L0040099-01	ND
2014-02-25	L0040099-02	ND
2014-02-25	L0040100-01	2.50 ppb
2014-02-25	L0040100-02	3.00 ppb
2014-02-25	L0040099-01	ND
2014-02-25	L0040099-02	ND
2014-02-25	L0040100-01	2.50 ppb
2014-02-25	L0040100-02	3.00 ppb
2014-05-14	L0043099-07	ND
2014-05-14	L0043099-08	ND
2014-05-14	L0043099-11	ND
2014-05-14	L0043099-12	ND
2014-05-14	L0043099-07	ND
2014-05-14	L0043099-08	ND
2014-05-14	L0043099-11	ND
2014-05-14	L0043099-12	ND
2014-08-14	35150984001	3.00 ppb
2014-08-14	35150984002	5.60 ppb
2014-08-14	35150984003	ND
2014-08-14	35150984004	2.10 ppb
2014-08-14	35150984001	3.00 ppb
2014-08-14	35150984002	5.60 ppb
2014-08-14	35150984003	ND
2014-08-14	35150984004	2.10 ppb
2014-11-03	L0050159-01	4.00 ppb
2014-11-03	L0050159-02	1.90 ppb
2014-11-03	L0050159-03	1.000 ppb
2014-11-03	L0050159-04	2.00 ppb
2014-11-03	L0050159-01	4.00 ppb
2014-11-03	L0050159-02	1.90 ppb
2014-11-03	L0050159-03	1.000 ppb
2014-11-03	L0050159-04	2.00 ppb
2015-02-11	LA3580-1	3.70 ppb
2015-02-11	LA3580-2	2.50 ppb
2015-02-11	LA3580-3	ND
2015-02-11	LA3580-4	4.20 ppb
2015-02-11	LA3580-1	3.70 ppb
2015-02-11	LA3580-2	2.50 ppb
2015-02-11	LA3580-3	ND
2015-02-11	LA3580-4	4.20 ppb
2015-05-22	35190128001	3.70 ppb
2015-05-22	35190128002	3.60 ppb
2015-05-22	35190128003	ND
2015-05-22	35190128004	ND
2015-05-22	35190128001	3.70 ppb
2015-05-22	35190128002	3.60 ppb
2015-05-22	35190128003	ND
2015-05-22	35190128004	ND
2015-08-17	35203449001	1.70 ppb
2015-08-17	35203449002	ND
2015-08-17	35203449003	ND
2015-08-17	35203449004	ND
2015-08-17	35203449001	1.70 ppb
2015-08-17	35203449002	ND
2015-08-17	35203449003	ND
2015-08-17	35203449004	ND
2015-11-06	35215875001	2.70 ppb
2015-11-06	35215875002	2.50 ppb
2015-11-06	35215875003	3.80 ppb
2015-11-06	35215875004	ND
2015-11-06	35215875001	2.70 ppb
2015-11-06	35215875002	2.50 ppb
2015-11-06	35215875003	3.80 ppb
2015-11-06	35215875004	ND
2016-02-08	35229107001	1.90 ppb
2016-02-08	35229107002	2.40 ppb
2016-02-08	35229107003	ND
2016-02-08	35229107004	ND
2016-02-08	35229107001	1.90 ppb
2016-02-08	35229107002	2.40 ppb
2016-02-08	35229107003	ND
2016-02-08	35229107004	ND
2016-05-20	LA20898-1	3.90 ppb
2016-05-20	LA20898-2	1.50 ppb
2016-05-20	LA20898-3	5.10 ppb
2016-05-20	LA20898-4	5.30 ppb
2016-05-20	LA20898-1	3.90 ppb
2016-05-20	LA20898-2	1.50 ppb
2016-05-20	LA20898-3	5.10 ppb
2016-05-20	LA20898-4	5.30 ppb
2016-08-16	LA24259-1	4.90 ppb
2016-08-16	LA24259-2	ND
2016-08-16	LA24259-3	6.10 ppb
2016-08-16	LA24259-4	2.80 ppb
2016-08-16	LA24259-1	4.90 ppb
2016-08-16	LA24259-2	ND
2016-08-16	LA24259-3	6.10 ppb
2016-08-16	LA24259-4	2.80 ppb
2016-11-16	LA27743-1	2.20 ppb
2016-11-16	LA27743-2	1.80 ppb
2016-11-16	LA27743-3	ND
2016-11-16	LA27743-4	1.20 ppb
2016-11-16	LA27743-1	2.20 ppb
2016-11-16	LA27743-2	1.80 ppb
2016-11-16	LA27743-3	ND
2016-11-16	LA27743-4	1.20 ppb
2017-02-22	35296880007	1.20 ppb
2017-02-22	35296880008	0.970 ppb
2017-02-22	35296880009	0.700 ppb
2017-02-22	35296880010	1.10 ppb
2017-02-22	35296880007	1.20 ppb
2017-02-22	35296880008	0.970 ppb
2017-02-22	35296880009	0.700 ppb
2017-02-22	35296880010	1.10 ppb
2017-05-19	35313429001	2.60 ppb
2017-05-19	35313429002	5.50 ppb
2017-05-19	35313429003	5.00 ppb
2017-05-19	35313429004	ND
2017-05-19	35313429001	2.60 ppb
2017-05-19	35313429002	5.50 ppb
2017-05-19	35313429003	5.00 ppb
2017-05-19	35313429004	ND
2017-08-23	35332706027	2.60 ppb
2017-08-23	35332706028	4.90 ppb
2017-08-23	35332706029	4.30 ppb
2017-08-23	35332706030	3.00 ppb
2017-08-23	35332706027	2.60 ppb
2017-08-23	35332706028	4.90 ppb
2017-08-23	35332706029	4.30 ppb
2017-08-23	35332706030	3.00 ppb
2017-11-28	35350762001	0.930 ppb
2017-11-28	35350762002	4.30 ppb
2017-11-28	35350762003	3.70 ppb
2017-11-28	35350762004	1.20 ppb
2017-11-28	35350762001	0.930 ppb
2017-11-28	35350762002	4.30 ppb
2017-11-28	35350762003	3.70 ppb
2017-11-28	35350762004	1.20 ppb
2018-02-12	35373899001	ND
2018-02-12	35373899002	ND
2018-02-12	35373899003	ND
2018-02-12	35373899004	0.990 ppb
2018-02-12	35373899001	ND
2018-02-12	35373899002	ND
2018-02-12	35373899003	ND
2018-02-12	35373899004	0.990 ppb
2018-05-10	35392013001	1.50 ppb
2018-05-10	35392013002	3.60 ppb
2018-05-10	35392013003	2.10 ppb
2018-05-10	35392013004	1.70 ppb
2018-05-10	35392013001	1.50 ppb
2018-05-10	35392013002	3.60 ppb
2018-05-10	35392013003	2.10 ppb
2018-05-10	35392013004	1.70 ppb
2018-08-15	35411592001	ND
2018-08-15	35411592002	ND
2018-08-15	35411592003	6.40 ppb
2018-08-15	35411592004	2.70 ppb
2018-08-15	35411592001	ND
2018-08-15	35411592002	ND
2018-08-15	35411592003	6.40 ppb
2018-08-15	35411592004	2.70 ppb
2018-11-16	35432197001	ND
2018-11-16	35432197002	0.990 ppb
2018-11-16	35432197003	2.50 ppb
2018-11-16	35432197004	1.70 ppb
2018-11-16	35432197001	ND
2018-11-16	35432197002	0.990 ppb
2018-11-16	35432197003	2.50 ppb
2018-11-16	35432197004	1.70 ppb
2019-02-21	35450236001	ND
2019-02-21	35450236002	1.40 ppb
2019-02-21	35450236003	ND
2019-02-21	35450236004	1.40 ppb
2019-02-21	35450236001	ND
2019-02-21	35450236002	1.40 ppb
2019-02-21	35450236003	ND
2019-02-21	35450236004	1.40 ppb
2019-05-17	35469507001	ND
2019-05-17	35469507002	1.60 ppb
2019-05-17	35469507003	1.50 ppb
2019-05-17	35469507004	1.80 ppb
2019-05-17	35469507001	ND
2019-05-17	35469507002	1.60 ppb
2019-05-17	35469507003	1.50 ppb
2019-05-17	35469507004	1.80 ppb
2019-08-23	35492999001	0.390 ppb
2019-08-23	35492999002	4.90 ppb
2019-08-23	35492999003	1.80 ppb
2019-08-23	35492999004	1.20 ppb
2019-08-23	35492999001	0.390 ppb
2019-08-23	35492999002	4.90 ppb
2019-08-23	35492999003	1.80 ppb
2019-08-23	35492999004	1.20 ppb
2019-11-14	35512807001	1.80 ppb
2019-11-14	35512807002	3.60 ppb
2019-11-14	35512807003	ND
2019-11-14	35512807004	0.880 ppb
2019-11-14	35512807001	1.80 ppb
2019-11-14	35512807002	3.60 ppb
2019-11-14	35512807003	ND
2019-11-14	35512807004	0.880 ppb