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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

Columbus

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
2013ND30ND
2014ND90ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-05-01AH57752ND
2012-11-05AH83257ND
2013-02-05AH88452ND
2013-02-05AH88451ND
2013-10-02AI19612ND
2014-01-20AI26898ND
2014-01-20AI26899ND
2014-02-04201402050222AMND
2014-05-05AI39470ND
2014-05-06201405080339AMND
2014-07-30AI47500ND
2014-08-18201408190494AMND
2014-11-03AI58784ND
2014-11-11201411120138AMND
2015-03-24AI69582ND
2015-03-24AI69581ND
2016-04-25AJ10827ND
2016-04-25AJ10826ND
2017-06-13AJ57616ND
2017-08-07AJ63013ND