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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

O'Fallon

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND90ND
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017ND50ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-223594419003AMND
2013-05-223594419001AMND
2013-05-223594419009AMND
2013-05-223594419005AMND
2013-05-223594419007AMND
2013-11-1935116896003AMND
2013-11-1935116896001AMND
2013-11-1935116896007AMND
2013-11-1935116896005AMND
2014-08-19AC33731ND
2014-08-19AC33734ND
2014-08-19AC33733ND
2014-08-19AC33732ND
2014-08-19AC33730ND
2017-08-14AD04282ND
2017-08-14AD04285ND
2017-08-14AD04284ND
2017-08-14AD04283ND
2017-08-14AD04286ND