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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Charleston 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND30ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-08201307100944AMND
2013-10-07201310090265AMND
2014-01-06201401080417AMND
2014-04-07201404090543AMND
2014-05-01AD39156ND
2015-05-14AD55503ND
2016-04-05AD73677ND
2017-07-13AD97248ND
2018-07-02AE14410ND
2019-09-18AE37433ND