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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

S S WSC

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
20140.00947 ppb71ND - 0.0663 ppb
2015ND40ND
2016ND40ND
2017ND40ND
2018ND30ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-11-20Q1314322005ND
2013-11-20Q1314322007ND
2013-11-20Q1314322003ND
2013-11-20Q1314322009ND
2013-11-20Q1314322001ND
2014-03-26AC48344ND
2014-05-20Q14168020070.0663 ppb
2014-05-20Q1416802009ND
2014-05-20Q1416802003ND
2014-05-20Q1416802005ND
2014-05-20Q1416802001ND
2014-09-08AC66064ND
2015-01-15AC76448ND
2015-01-15AC76454ND
2015-01-15AC76450ND
2015-01-15AC76452ND
2016-01-21AD19289ND
2016-01-21AD19283ND
2016-01-21AD19297ND
2016-01-21AD19295ND
2017-05-10AD83658ND
2017-05-10AD83656ND
2017-05-10AD83648ND
2017-05-10AD83650ND
2018-07-02AE32233ND
2018-07-02AE32229ND
2018-07-02AE32231ND
2019-03-28AE60472ND
2019-03-28AE60474ND
2019-03-28AE60480ND
2019-03-28AE60478ND