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EWG's Tap Water Database — 2021 UPDATE

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Bromomethane

Water District 1 of Johnson County

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

MORE ABOUT THIS CONTAMINANT

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND80ND
2015N/A00N/A
2016ND30ND
2017ND40ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-07-29201307300096AMND
2013-07-29201307300094AMND
2013-07-29201307300098AMND
2013-10-21201310220207AMND
2013-10-21201310220205AMND
2013-10-21201310220203AMND
2014-01-13201401140255AMND
2014-01-13201401140253AMND
2014-04-08201404090431AMND
2014-04-08201404090433AMND
2014-05-07MAY2014-OC-TP3ND
2014-05-07MAY2014-OC-TP2ND
2014-05-07MAY2014-OC-TP1ND
2014-05-21201405220480AMND
2016-05-17MAY2016--TP3ND
2016-05-17MAY2016--TP2ND
2016-06-20JUN2016--TP1ND
2017-05-16MAY2017--TP3ND
2017-05-16MAY2017--TP2ND
2017-05-17MAY2018--TP1 524ND
2017-07-12JUL2017--TP1 524ND
2018-05-01MAY2018--TP2 VOCND
2018-05-01MAY2018-TP3-VOCND