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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

City of Olympia

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND160ND
2014ND30ND
2015ND20ND
2016ND20ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-14WA97-SE1-13-0262ND
2013-05-20WA97-SE1-13-0868ND
2013-05-20WA97-SE1-13-0868ND
2013-05-20WA97-SE1-13-0868ND
2013-05-20WA97-SE1-13-0868ND
2013-05-20WA97-SE2-13-0868ND
2013-05-20WA97-SE1-13-0868ND
2013-05-20WA97-SE1-13-0868ND
2013-08-05WA97-SE3-13-1409ND
2013-11-13WA97-SE2-13-2166ND
2013-11-13WA97-SE2-13-2166ND
2013-11-13WA97-SE2-13-2166ND
2013-11-13WA97-SE4-13-2166ND
2013-11-13WA97-SE2-13-2166ND
2013-11-13WA97-SE2-13-2166ND
2013-11-13WA97-SE2-13-2166ND
2014-07-1631110ND
2014-07-1631108ND
2014-07-1631109ND
2015-05-0516410ND
2015-08-1939084ND
2016-07-20ND
2016-10-04ND