Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Methomyl

City of Granbury

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.

MORE ABOUT THIS CONTAMINANT

 

39

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
2014ND90ND
2015N/A00N/A
2016ND30ND
2017ND240ND
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-09Q1426808028ND
2014-07-09Q1426808027ND
2014-07-09Q1426808026ND
2014-07-09Q1426808025ND
2014-07-09Q1426808024ND
2014-07-09Q1426808023ND
2014-07-09Q1426808022ND
2014-07-09Q1426808021ND
2014-10-22Q1453503012ND
2016-01-14Q1601671018ND
2016-01-14Q1601671016ND
2016-01-14Q1601671017ND
2017-04-17Q1715565025ND
2017-04-17Q1715565024ND
2017-04-17Q1715565023ND
2017-04-17Q1715565022ND
2017-04-17Q1715565021ND
2017-07-06Q1727515009ND
2017-07-06Q1727515010ND
2017-07-06Q1727515029ND
2017-07-06Q1727515008ND
2017-07-06Q1727515028ND
2017-07-06Q1727515002ND
2017-09-19Q1744801020ND
2017-09-19Q1744801021ND
2017-09-19Q1744801022ND
2017-09-19Q1744801023ND
2017-09-19Q1744801024ND
2017-09-19Q1744801025ND
2017-10-03Q1748324031ND
2017-10-03Q1748324030ND
2017-10-03Q1748324029ND
2017-10-03Q1748324028ND
2017-10-03Q1748324027ND
2017-10-04Q1748839005ND
2017-10-04Q1748839004ND
2018-01-22Q1802342006ND
2019-03-18Q1911097028ND
2019-03-18Q1911097029ND