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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Golden State Water Company - Cordova

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.

 

17

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
2014ND20ND
2015ND70ND
2016ND10ND
2017N/A00N/A
2018ND70ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-042706-051-1121ND
2014-06-032706-051-1224ND
2015-07-142706-028-0959ND
2015-07-142706-030-1116ND
2015-07-142706-008-1250ND
2015-07-142706-019-1147ND
2015-07-142706-010-1340ND
2015-07-212706-051-1130ND
2015-07-282706-022-1216ND
2016-09-202706-029-1245ND
2018-08-219590-019-0925ND
2018-08-219590-022-1135ND
2018-08-219590-051-1357ND
2018-08-219590-008-1314ND
2018-08-229590-028-0959ND
2018-08-229590-010-1228ND
2018-08-229590-030-0902ND