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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Michigan State University

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND80ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-05LLF11010ND
2014-03-05LLF11012ND
2014-03-05LLF11011ND
2014-03-05LLF11009ND
2014-10-23LLF44294ND
2014-10-23LLF44295ND
2014-10-23LLF44293ND
2015-04-20855159-13910ND
2015-10-19889802-15202ND
2018-01-17LLH61376ND
2018-01-17LLH61375ND
2018-03-14LLH70731ND
2018-03-14LLH70732ND
2018-06-11LLH85284ND
2018-09-05LLI03198ND
2018-10-23LLI12549ND
2018-12-06LLI18257ND
2019-03-07LLI28375ND
2019-06-05LLI41086ND
2019-11-20LLI78249ND
2019-12-23LLI85472ND