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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Harford County Department of Public Works

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.

 

15

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
2014ND30ND
2015ND20ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-220120016_01_00029ND
2014-07-220120016_03_00029ND
2014-10-200120016_02_00148ND
2015-10-19E16001689007ND
2015-10-19E16001689009ND
2016-05-09E16004258004ND
2016-05-09E16004258006ND
2016-05-09E16004258002ND
2017-04-19E17004140001ND
2017-04-19E17004139001ND
2017-06-19E17005021001ND
2018-06-04E18004355009ND
2018-06-04E18004355007ND
2018-06-04E18004355011ND
2019-07-31E20000444001ND