Bromochloromethane

Dayton Valley Water System

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	18	ND
2014	ND	2	ND
2015	ND	2	ND
2016	ND	4	ND
2017	ND	2	ND
2018	ND	2	ND
2019	ND	8	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-02-20	1302601-001A	ND
2013-02-20	1302605-001A	ND
2013-02-20	1302607-001A	ND
2013-02-20	1302606-001A	ND
2013-02-20	1302600-001A	ND
2013-02-20	1302602-001A	ND
2013-02-20	1302603-001A	ND
2013-02-20	1302608-001A	ND
2013-02-20	1302604-001A	ND
2013-06-10	1306237-001F	ND
2013-08-26	1308883-001A	ND
2013-08-26	1308886-001A	ND
2013-08-26	1308887-001A	ND
2013-08-26	1308880-001A	ND
2013-08-26	1308884-001A	ND
2013-08-26	1308885-001A	ND
2013-08-26	1308881-001A	ND
2013-08-26	1308882-001A	ND
2014-05-13	1405260-007	ND
2014-05-13	1405260-006	ND
2015-05-26	1505605-001	ND
2015-05-26	1505605-002	ND
2016-04-20	1604512-002	ND
2016-05-18	201605240202	ND
2016-08-23	6H25005-01	ND
2016-08-23	6H25005-02	ND
2017-05-10	201705130308	ND
2017-05-10	201705130310	ND
2018-05-16	1805551-001	ND
2018-05-16	1805551-002	ND
2019-04-02	19040080-001	ND
2019-05-20	19050593-001	ND
2019-05-20	19050593-001VOC	ND
2019-06-27	19060931-001	ND
2019-06-27	19060933-001	ND
2019-06-27	19060933-002	ND
2019-08-14	19080524-001	ND
2019-10-31	19101057-001	ND