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EWG's Tap Water Database — 2021 UPDATE

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Bromomethane

Waunakee Waterworks

Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.

MORE ABOUT THIS CONTAMINANT

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND80ND
2016ND10ND
2017ND60ND
2018ND40ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-10769678ND
2014-02-10769683ND
2014-02-10769686ND
2014-02-10769680ND
2014-04-16780796ND
2014-04-16780797ND
2014-10-07824711-12579ND
2014-10-07824707-12579ND
2014-10-07824703-12579ND
2014-10-07824699-12579ND
2014-10-13825639-12608ND
2015-03-10847412ND
2015-04-07852429-13851ND
2015-04-07852433-13851ND
2015-04-07852437-13851ND
2015-04-08853084-13847ND
2015-05-04858130ND
2015-07-27873353ND
2015-10-05887254ND
2016-08-16940120ND
2017-01-31971656ND
2017-01-31971660ND
2017-02-06972337ND
2017-04-11982557ND
2017-07-111003165ND
2017-10-031022337ND
2018-01-311039288ND
2018-04-031048174ND
2018-07-111066417ND
2018-10-081085741ND
2019-07-011131600ND
2019-12-021162821ND