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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Washington

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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39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND180ND
2014ND90ND
2015N/A00N/A
2016ND10ND
2017ND90ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-263587880005AMND
2013-03-263587880017AMND
2013-03-263587880011AMND
2013-03-273587880013AMND
2013-03-273587880009AMND
2013-03-273587880007AMND
2013-03-273587880001AMND
2013-03-273587880015AMND
2013-03-283587880003AMND
2013-09-1735108698005AMND
2013-09-1735108698011AMND
2013-09-1735108698015AMND
2013-09-1735108698013AMND
2013-09-1735108698003AMND
2013-09-1735108698001AMND
2013-09-1735108698007AMND
2013-09-1735108698009AMND
2013-10-0135110490006AMND
2014-08-22AC33778ND
2014-08-22AC33777ND
2014-08-22AC33779ND
2014-08-22AC33780ND
2014-08-22AC33781ND
2014-08-22AC33782ND
2014-08-22AC33783ND
2014-08-26AC33776ND
2014-08-26AC33784ND
2016-04-27AC70171ND
2017-04-26AC95145ND
2017-08-22AD04333ND
2017-08-22AD04335ND
2017-08-22AD04336ND
2017-08-22AD04332ND
2017-08-22AD04330ND
2017-08-22AD04331ND
2017-08-22AD04334ND
2017-08-22AD04329ND
2018-05-07AD18746ND
2019-04-17AD46846ND