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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Denver Water Board

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.

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND120ND
2014ND310ND
2015ND80ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Result
2013-02-05ND
2013-02-05ND
2013-03-05ND
2013-05-06ND
2013-05-06ND
2013-05-07ND
2013-08-05ND
2013-08-06ND
2013-08-06ND
2013-11-04ND
2013-11-04ND
2013-12-03ND
2014-01-07ND
2014-04-08ND
2014-04-08ND
2014-05-06ND
2014-05-06ND
2014-05-27ND
2014-05-27ND
2014-05-27ND
2014-06-03ND
2014-06-03ND
2014-06-03ND
2014-07-08ND
2014-07-08ND
2014-07-08ND
2014-08-05ND
2014-08-05ND
2014-08-05ND
2014-08-18ND
2014-08-18ND
2014-08-18ND
2014-09-02ND
2014-09-02ND
2014-09-06ND
2014-10-07ND
2014-10-07ND
2014-11-04ND
2014-11-04ND
2014-11-20ND
2014-11-20ND
2014-12-02ND
2014-12-02ND
2015-01-06ND
2015-01-06ND
2015-02-03ND
2015-02-03ND
2015-02-18ND
2015-02-18ND
2015-03-03ND
2015-03-03ND