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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Falmouth Water Department

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND50ND
2015ND40ND
2016ND170ND
2017ND50ND
2018ND80ND
2019ND60ND

ppb = parts per billion

All test results

Date Result
2013-08-19ND
2013-08-19ND
2013-08-19ND
2013-08-19ND
2013-11-18ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-02-11ND
2014-05-06ND
2015-07-07ND
2015-07-07ND
2015-08-20ND
2015-10-15ND
2016-01-11ND
2016-01-11ND
2016-01-12ND
2016-01-26ND
2016-01-27ND
2016-01-27ND
2016-01-28ND
2016-02-04ND
2016-02-05ND
2016-02-08ND
2016-02-09ND
2016-02-10ND
2016-04-11ND
2016-04-11ND
2016-05-20ND
2016-07-18ND
2016-10-04ND
2017-01-04ND
2017-01-04ND
2017-04-06ND
2017-04-06ND
2017-10-24ND
2018-01-08ND
2018-04-10ND
2018-04-10ND
2018-04-17ND
2018-07-17ND
2018-07-17ND
2018-10-02ND
2018-10-09ND
2019-01-08ND
2019-05-15ND
2019-05-15ND
2019-07-09ND
2019-07-09ND
2019-10-01ND