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EWG's Tap Water Database — 2019 UPDATE

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Methomyl

City of Columbia

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-06AD02307ND
2012-02-06AD02308ND
2013-01-30AD19088ND
2013-01-30AD19089ND
2014-01-15AD34535ND
2014-01-15AD34536ND
2015-01-15AD50347ND
2015-01-16AD50410ND
2016-01-13AD69192ND
2016-01-13AD69191ND
2017-03-07AD90717ND
2017-03-07AD90715ND