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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Sandwich Water District

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
2014ND80ND
2015ND80ND
2016ND30ND
2017ND30ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Result
2014-12-02ND
2014-12-02ND
2014-12-02ND
2014-12-02ND
2014-12-03ND
2014-12-03ND
2014-12-03ND
2014-12-19ND
2015-06-10ND
2015-06-10ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-06-11ND
2015-06-15ND
2016-09-20ND
2016-09-20ND
2016-09-20ND
2017-12-13ND
2017-12-13ND
2017-12-13ND
2018-05-02ND