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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Wailuku

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.

 

28

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
2015ND20ND
2016ND20ND
2017ND220ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-06-03201506050453ND
2015-09-08201509100855ND
2016-09-12ND
2016-11-30ND
2017-01-31ND
2017-01-31ND
2017-01-31ND
2017-02-24ND
2017-02-24ND
2017-02-27ND
2017-02-27ND
2017-02-27ND
2017-05-19ND
2017-05-19ND
2017-08-30ND
2017-09-07ND
2017-09-07ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-21ND
2017-10-25ND
2017-12-06ND
2018-01-30201801030999ND
2018-05-17201805180453ND