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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Harvest-Monrovia Water System

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

ppb = parts per billion

All test results

Date Lab ID Result
2016-06-08AB12276ND
2016-09-07AB14884ND
2016-09-07AB14883ND
2016-09-07AB14882ND
2016-12-08AB16887ND
2016-12-08AB16886ND
2019-03-05AB33091ND
2019-03-05AB33089ND
2019-03-05AB33088ND
2019-09-03AB38174ND
2019-09-03AB38175ND
2019-09-03AB38173ND