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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Norwalk Water Department

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.

 

13

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
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-04-239588-002-1041ND
2015-04-239588-003-1024ND
2015-04-239588-012-0947ND
2015-07-309588-002-1044ND
2015-07-309588-003-1015ND
2015-07-309588-012-0928ND
2018-04-119588-002-0953ND
2018-04-119588-003-0930ND
2018-07-259588-002-1000ND
2018-07-259588-003-0935ND
2019-05-249588-012-0920ND
2019-07-259588-012-0930ND
2019-10-259588-012-0930ND