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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Wellesley Water Division (MWRA)

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.

 

12

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
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Result
2015-03-16ND
2015-03-16ND
2015-03-16ND
2015-09-23ND
2015-09-23ND
2015-09-23ND
2018-03-01ND
2018-03-01ND
2018-03-01ND
2018-09-04ND
2018-09-04ND
2018-09-04ND