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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Valley Water Systems, Inc.

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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36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND20ND
2015N/A00N/A
2016ND80ND
2017ND80ND
2018ND80ND
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-16200385110ND
2013-10-16200385114ND
2014-04-08200393992ND
2014-04-08200393990ND
2016-02-0116020104-001-VOCND
2016-02-0116020104-004-VOCND
2016-05-0216050204-004-VOCND
2016-05-0216050204-001-VOCND
2016-08-0116080104-001-VOCND
2016-08-0116080104-004-VOCND
2016-11-0216110205-004-VOCND
2016-11-0216110205-001-VOCND
2017-02-0217020207-004-VOCND
2017-02-0217020207-001-VOCND
2017-05-0117050102-001-VOCND
2017-05-0117050102-004-VOCND
2017-08-0217080204-004-VOCND
2017-08-0217080204-001-VOCND
2017-11-0217110202-004-VOCND
2017-11-0217110202-001-VOCND
2018-02-0118020109-001-VOCND
2018-02-0118020109-004-VOCND
2018-05-0218050206-004-VOCND
2018-05-0218050206-001-VOCND
2018-08-0118080103-001-VOCND
2018-08-0118080103-004-VOCND
2018-11-0218110205-001-VOCND
2018-11-0218110205-004-VOCND
2019-02-0619020602-004-VOCND
2019-02-0619020602-001-VOCND
2019-05-0319050304-001-VOCND
2019-05-0319050304-004-VOCND
2019-08-0119080105-001-VOCND
2019-08-0119080105-004-VOCND
2019-12-2319122307-001-VOCND
2019-12-2319122307-004-VOCND