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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

Issaquah Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND40ND
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-05-0716665ND
2012-05-0716664ND
2013-07-22WA97-SE1-13-1307ND
2013-07-22WA97-SE1-13-1307ND
2013-07-22WA97-SE1-1301307ND
2013-07-22WA97-SE1-13-1307ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-09-1644717ND
2015-09-1644716ND