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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Concord 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
2014N/A00N/A
2015N/A00N/A
2016ND130ND
2017ND10ND
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Result
2016-01-07ND
2016-01-07ND
2016-02-04ND
2016-02-16ND
2016-02-18ND
2016-04-21ND
2016-07-26ND
2016-08-10ND
2016-08-18ND
2016-08-25ND
2016-08-25ND
2016-09-13ND
2016-09-29ND
2017-10-04ND
2019-01-15ND
2019-07-11ND