Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Methomyl

Marion Waterworks

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017ND10ND
2018ND90ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-09-1615260000501ND
2015-09-1615260000401ND
2015-09-1615260000301ND
2015-11-1915324001601ND
2015-11-1915324001901ND
2015-11-1915324001701ND
2017-12-0617341002001ND
2018-01-1818019004201ND
2018-04-1018101008301ND
2018-08-1518228001401ND
2018-08-1518228001101ND
2018-08-1518228001301ND
2018-08-1518228001201ND
2018-10-1518291006402ND
2018-10-1518291006302ND
2018-10-1518291006202ND