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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Bethesda WSC

Methomyl is an extremely toxic carbamate insecticide that targets the nervous system. In 2015 the EPA restricted some uses of methomyl on some food crops to reduce risks to human health.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND110ND
2015N/A00N/A
2016ND40ND
2017ND110ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-13Q1421328005ND
2014-06-13Q1421328004ND
2014-10-07Q1451274023ND
2014-10-07Q1451274022ND
2014-10-07Q1451274021ND
2014-10-07Q1451274020ND
2014-10-07Q1451274019ND
2014-10-07Q1451274018ND
2014-10-07Q1451274017ND
2014-10-07Q1451274016ND
2014-10-07Q1451274015ND
2016-11-08Q1648213010ND
2016-11-08Q1648213011ND
2016-11-08Q1648213009ND
2016-11-08Q1648213008ND
2017-01-31Q1704122022ND
2017-01-31Q1704122021ND
2017-10-17Q1753293008ND
2017-10-17Q1753293046ND
2017-10-17Q1753293015ND
2017-10-17Q1753293045ND
2017-10-17Q1753293014ND
2017-10-17Q1753293044ND
2017-11-01Q1756223029ND
2017-11-01Q1756223030ND
2017-11-01Q1756223007ND