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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

St. Louis City

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND80ND
2014ND20ND
2015ND20ND
2016ND30ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-01-223580787001AMND
2013-01-223580790001AMND
2013-04-293591472001AMND
2013-04-293591472003AMND
2013-07-1535100737001AMND
2013-07-1535100737003AMND
2013-10-1635112733003AMND
2013-10-1635112733001AMND
2014-05-28AC26114ND
2014-05-28AC26115ND
2015-06-01AC47390ND
2015-06-01AC47391ND
2016-06-06AC75867ND
2016-06-06AC77510ND
2016-06-06AC75866ND