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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Waipahu-Ewa-Waianae

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.

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51

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
2014N/A00N/A
2015ND80ND
2016ND20ND
2017ND370ND
2018ND10ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-31201504020267ND
2015-05-11201505130557ND
2015-07-13201507150498ND
2015-08-31201509020193ND
2015-08-31201509020194ND
2015-09-29201510010224ND
2015-10-19201510090426ND
2015-12-28201512180364ND
2016-11-14ND
2016-12-14ND
2017-01-09ND
2017-01-10ND
2017-01-10ND
2017-01-10ND
2017-01-11ND
2017-01-24ND
2017-01-24ND
2017-01-25ND
2017-01-26ND
2017-02-02ND
2017-02-08ND
2017-02-13ND
2017-02-16ND
2017-02-22ND
2017-02-22ND
2017-02-23ND
2017-02-27ND
2017-03-14ND
2017-03-15ND
2017-10-09ND
2017-10-11ND
2017-10-13ND
2017-10-13ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-16ND
2017-10-17ND
2017-10-18ND
2017-10-18ND
2017-10-23ND
2017-10-24ND
2017-10-24ND
2017-10-24ND
2017-10-25ND
2017-10-25ND
2017-10-30ND
2018-08-21201808130257ND
2019-01-30201901310262ND
2019-04-08201904100407ND
2019-07-30201908010178ND