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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

New Design - Frederick County

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND20ND
2017ND30ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-270100030_01_00517ND
2014-06-040100030_05_00531ND
2015-04-01E15003103001ND
2016-06-06E16004612002ND
2016-07-13E17000153002ND
2017-04-05E17003936007ND
2017-04-05E17003936005ND
2017-06-15E17004992001ND
2018-04-12E18003684001ND
2018-06-26E18004645001ND