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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

Harris County FWSD 61

Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND20ND
2017ND60ND
2018ND70ND
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-04AC41390ND
2014-02-04AC41388ND
2015-04-01AC87009ND
2015-04-01AC87003ND
2015-04-01AC87002ND
2015-04-01AC87004ND
2016-01-12AD17689ND
2016-01-12AD17687ND
2017-02-02AD68514ND
2017-02-02AD68515ND
2017-03-15AD75284ND
2017-04-26AD81294ND
2017-07-12AD89121ND
2017-10-13AE00919ND
2018-03-01AE16450ND
2018-03-01AE16447ND
2018-03-01AE16448ND
2018-03-01AE16449ND
2018-05-29AE27949ND
2018-08-30AE39012ND
2018-10-03AE42597ND
2019-02-08AE53913ND
2019-02-08AE53911ND
2019-04-01AE60761ND
2019-07-19AE75416ND
2019-10-03AE85713ND