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EWG's Tap Water Database — 2019 UPDATE

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Methomyl

Washington Aqueduct Division

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND80ND
2014ND80ND
2015ND80ND
2016ND80ND
2017ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-01McMillanND
2012-01-01DalecarliaND
2012-04-01DalecarliaND
2012-04-01McMillanND
2012-07-01DalecarliaND
2012-07-01McMillanND
2012-10-01DalecarliaND
2012-10-01McMillanND
2013-01-01DalecarliaND
2013-01-01McMillanND
2013-04-01McMillanND
2013-04-01DalecarliaND
2013-07-01DalecarliaND
2013-07-01McMillanND
2013-10-01DalecarliaND
2013-10-01McMillanND
2014-01-01DalecarliaND
2014-01-01McMillanND
2014-04-01DalecarliaND
2014-04-01McMillanND
2014-07-01DalecarliaND
2014-07-01McMillanND
2014-10-01DalecarliaND
2014-10-01McMillanND
2015-01-01DalecarliaND
2015-01-01McMillanND
2015-04-01DalecarliaND
2015-04-01McMillanND
2015-07-01McMillanND
2015-07-01DalecarliaND
2015-10-01DalecarliaND
2015-10-01McMillanND
2016-01-01DalecarliaND
2016-01-01McMillanND
2016-04-01McMillanND
2016-04-01DalecarliaND
2016-07-01DalecarliaND
2016-07-01McMillanND
2016-10-01DalecarliaND
2016-10-01McMillanND
2017-01-01DalecarliaND
2017-01-01McMillanND
2017-04-01DalecarliaND
2017-04-01McMillanND
2017-07-01DalecarliaND
2017-07-01McMillanND
2017-10-01DalecarliaND
2017-10-01McMillanND