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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Warden City Of

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-1555831ND
2014-12-1555830ND
2015-11-0967948ND
2016-06-06ND
2016-09-07ND
2017-07-18ND
2017-10-10ND
2018-04-10ND
2018-07-25ND
2018-10-31ND
2019-04-08ND
2019-06-11ND