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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Western MWD (Arlington)

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2015-01-064790-002-0950ND
2015-01-064790-003-1020ND
2015-01-064790-004-1050ND
2015-01-074790-001-1030ND
2015-01-074790-005-1100ND
2015-02-184790-009-1400ND
2018-02-264790-001-1340ND
2018-02-264790-002-1405ND