Bromochloromethane

Blaine

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	ND	3	ND
2014	ND	7	ND
2015	ND	7	ND
2016	ND	11	ND
2017	ND	10	ND
2018	ND	6	ND
2019	ND	2	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-10-30	1056183006	ND
2013-10-30	1056183003	ND
2013-10-30	1056183009	ND
2014-02-13	14B0848-01	ND
2014-04-07	2000246003	ND
2014-04-07	2000246006	ND
2014-04-07	2000246009	ND
2014-05-27	14E2843-01	ND
2014-05-27	2009140001	ND
2014-05-27	2009140004	ND
2015-05-27	15E1985-04	ND
2015-05-27	15E1985-01	ND
2015-05-27	15E1985-03	ND
2015-05-27	15E1989-01	ND
2015-06-22	2078488004	ND
2015-06-22	2078488001	ND
2015-09-24	15I1244-01	ND
2016-03-03	16C0267-01	ND
2016-03-03	16C0265-01	ND
2016-03-03	16C0266-01	ND
2016-06-20	3474598	ND
2016-07-11	3490713	ND
2016-08-24	16H2457-01	ND
2016-08-30	16H2936-03	ND
2016-08-30	16H2936-01	ND
2016-08-30	16H2936-02	ND
2016-08-30	16H2936-04	ND
2016-08-30	16H2936-05	ND
2017-06-13	17F0778-01	ND
2017-07-27	17G1931-03	ND
2017-07-27	17G1931-01	ND
2017-07-27	17G1934-01	ND
2017-07-27	17G1932-04	ND
2017-07-27	17G1932-03	ND
2017-07-27	17G1932-02	ND
2017-07-27	17G1932-01	ND
2017-07-27	17G1931-04	ND
2017-07-27	17G1931-02	ND
2018-02-28	18B1345-01	ND
2018-02-28	18B1345-02	ND
2018-06-22	18F1667-01	ND
2018-07-16	18G0768-01	ND
2018-07-16	18G0770-01	ND
2018-10-29	18J1451-01	ND
2019-08-01	19H0056-01	ND
2019-10-30	19J1701-01	ND