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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Four Winds Hospital

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
20160.353 ppb31ND - 1.06 ppb
2017ND10ND
2018N/A00N/A
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-25AQ03138-POCND
2014-03-251.400990-POCND
2016-11-101.6032661.06 ppb
2016-11-101.603267ND
2016-11-101.60368ND
2017-03-091.700564ND
2019-08-221.902365POCSND
2019-08-221.902366POCSND
2019-08-221.902364POCSND