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EWG's Tap Water Database — 2019 UPDATE

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Methomyl

Water District 1 of Johnson County

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
2012ND30ND
2013ND40ND
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-05-22MAY2012-SOC-TP2ND
2012-05-22MAY2012-SOC-TP3ND
2012-05-30MAY2012-SOC-TP1ND
2013-05-01MAY2013-OC-TP1ND
2013-05-01MAY2013-OC-TP2ND
2013-05-01MAY2013-OC-TP3ND
2013-07-08JUL2013-OC-TP1ND
2014-05-07MAY2014-OC-TP3ND
2014-05-07MAY2014-OC-TP2ND
2014-05-07MAY2014-OC-TP1ND
2015-05-19MAY2015-SOC-TP1ND
2015-05-19MAY2015-SOC-TP2ND
2015-05-19MAY2015-SOC-TP3ND
2016-05-17MAY2016--TP3ND
2016-05-17MAY2016--TP2ND
2016-06-20JUN2016--TP1ND
2017-05-16MAY2017--TP2ND
2017-05-16MAY2017--TP3ND
2017-07-12JUL2017--TP1ND