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EWG's Tap Water Database — 2019 UPDATE

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Methomyl

City of Chino Hills

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND20ND
2015N/A00N/A
2016ND20ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-183334-014-1130ND
2014-01-234790-001-1300ND
2014-01-234790-017-1330ND
2016-03-034790-014-1130ND
2016-03-034790-024-1030ND