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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Centerville Osterville Marstons Mills WD

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.

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92

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND440ND
2015ND80ND
2016ND80ND
2017ND160ND
2018ND80ND
2019ND80ND

ppb = parts per billion

All test results

Date Result
2014-05-05ND
2014-05-05ND
2014-05-05ND
2014-05-05ND
2014-05-05ND
2014-05-05ND
2014-05-05ND
2014-05-07ND
2014-05-07ND
2014-05-07ND
2014-05-07ND
2014-05-12ND
2014-05-12ND
2014-05-12ND
2014-05-12ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-09-03ND
2014-11-17ND
2014-11-19ND
2014-11-19ND
2014-11-19ND
2014-11-19ND
2014-11-19ND
2014-11-19ND
2014-11-20ND
2014-11-20ND
2014-11-20ND
2014-11-20ND
2014-11-20ND
2014-11-20ND
2014-12-22ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-08-11ND
2015-12-29ND
2016-08-23ND
2016-08-23ND
2016-08-23ND
2016-08-23ND
2016-08-23ND
2016-08-23ND
2016-08-23ND
2016-11-23ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-07-20ND
2017-12-18ND
2018-08-23ND
2018-08-23ND
2018-08-23ND
2018-08-23ND
2018-08-23ND
2018-08-23ND
2018-08-23ND
2018-08-28ND
2019-09-25ND
2019-09-25ND
2019-09-25ND
2019-09-25ND
2019-09-25ND
2019-09-25ND
2019-09-25ND
2019-09-25ND