Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Methomyl

Cassatt Water Kershaw-lee Company RWA

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016ND110ND
2017N/A00N/A
2018N/A00N/A
2019ND120ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-22AD34864ND
2014-01-22AD34860ND
2014-04-23AD38844ND
2014-04-23AD38845ND
2014-08-13AD44050ND
2014-10-30AD47415ND
2016-04-19AD74644ND
2016-04-19AD74643ND
2016-04-19AD74641ND
2016-04-19AD74642ND
2016-04-25AD74831ND
2016-04-25AD74828ND
2016-04-25AD74829ND
2016-04-25AD74830ND
2016-04-25AD74832ND
2016-09-15AD82548ND
2016-09-19AD82888ND
2019-04-24AE29261ND
2019-04-24AE29257ND
2019-04-24AE29260ND
2019-04-24AE29258ND
2019-05-01AE29691ND
2019-05-01AE29688ND
2019-05-01AE29692ND
2019-05-01AE29689ND
2019-05-01AE29686ND
2019-05-01AE29685ND
2019-05-01AE29684ND
2019-05-01AE29682ND