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EWG's Tap Water Database — 2019 UPDATE

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Methomyl

Holliston 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND60ND
2014N/A00N/A
2015N/A00N/A
2016ND80ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Result
2012-04-23ND
2012-12-19ND
2013-05-22ND
2013-05-22ND
2013-05-22ND
2013-12-11ND
2013-12-11ND
2013-12-11ND
2016-05-03ND
2016-05-03ND
2016-05-10ND
2016-05-10ND
2016-12-05ND
2016-12-05ND
2016-12-05ND
2016-12-05ND