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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Rison Waterworks

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-0514037002901ND
2014-02-0514037002801ND
2014-05-0514128006501ND
2014-05-0514128006601ND
2017-01-1617018000301ND
2017-01-1617018000401ND
2017-06-0717158001901ND
2017-06-0717158001801ND