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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

St. Charles County PWSD 2

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-01-233581118001AMND
2013-01-233581108001AMND
2013-05-133593275004AMND
2013-05-133593275001AMND
2013-07-1735101267003AMND
2013-08-2635106027001AMND
2013-10-2835113941003AMND
2013-10-2835113941001AMND
2014-09-17AC34978ND
2017-09-07AD07207ND
2017-09-07AD07208ND
2017-09-07AD07209ND
2017-09-07AD07210ND