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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

City of Chesapeake - Northwest River 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-2923306201ND
2013-07-2923306301ND
2013-10-0823755401ND
2013-10-0823755201ND
2014-01-1424585301ND
2014-01-1424585501ND
2014-04-1525297001ND
2014-04-1525297201ND