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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

City of Henderson

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016ND10ND
2017ND90ND
2018ND30ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-23Q1402243019ND
2014-01-23Q1402243018ND
2014-02-13Q1404579009ND
2014-04-09Q1411334003ND
2014-10-08Q1451902006ND
2016-01-27Q1603640004ND
2017-04-17Q1715499020ND
2017-04-17Q1715499023ND
2017-04-17Q1715499022ND
2017-04-17Q1715499021ND
2017-05-19Q1720846003ND
2017-09-14Q1743706006ND
2017-09-14Q1743706015ND
2017-12-07Q1763859010ND
2017-12-07Q1763859007ND
2018-03-13Q1810104011ND
2018-03-13Q1810104010ND
2018-05-24Q1820944002ND
2019-01-10Q1901410014ND