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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Cottonshed

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1114072009601ND
2014-03-1814079010801ND
2015-01-2815029006501ND
2016-01-2516028002001ND
2017-01-2317025000701ND
2018-02-2618060000701ND
2019-02-2519059000101ND