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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Manville 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.

 

14

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
2014ND50ND
2015N/A00N/A
2016ND20ND
2017ND50ND
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-11AC46581ND
2014-03-11AC46586ND
2014-03-11AC46582ND
2014-06-18AC57318ND
2014-06-18AC57319ND
2016-04-25AD34072ND
2016-04-25AD34073ND
2017-01-23AD66203ND
2017-01-23AD66204ND
2017-04-27AD81581ND
2017-04-27AD81580ND
2017-04-27AD81585ND
2019-09-12AE83349ND
2019-09-30AE85197ND