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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

City of Columbia

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND60ND
2015ND60ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-06AD02307ND
2012-02-06AD02308ND
2013-01-30AD19088ND
2013-01-30AD19089ND
2014-01-15AD34535ND
2014-01-15AD34536ND
2014-07-14201407160691AMND
2014-07-14201407160557AMND
2014-10-14201410160417AMND
2014-10-14201410160419AMND
2015-01-13201501150478AMND
2015-01-13201501150661AMND
2015-01-15AD50348ND
2015-01-15AD50347ND
2015-04-14201504160290AMND
2015-04-14201504160399AMND
2016-01-13AD69192ND
2016-01-13AD69191ND
2017-03-07AD90717ND
2017-08-02AD98392ND