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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

City of Westminster

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

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31

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
2014ND70ND
2015ND50ND
2016ND60ND
2017ND60ND
20180.0400 ppb51ND - 0.200 ppb
20190.1000 ppb21ND - 0.200 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-090060015_01_94579ND
2014-07-140060015_01_00014ND
2014-07-140060015_05_00014ND
2014-07-140060015_06_00014ND
2014-07-140060015_07_00014ND
2014-07-140060015_08_00014ND
2014-09-230060015_01_96356ND
2015-06-18101421ND
2015-08-26E16000776001ND
2015-08-260324AU2615ND
2015-09-11103073ND
2015-09-11103073BND
2016-05-23E16004418002ND
2016-06-15107975ND
2016-09-08E17001059013ND
2016-09-08E17001059005ND
2016-09-08E17001059002ND
2016-09-26110304ND
2017-01-31E17002940005ND
2017-01-31E17002940007ND
2017-01-31E17002940009ND
2017-05-31E17004691001ND
2017-06-22115325ND
2017-09-19117175ND
2018-02-27120150ND
2018-05-14E18004109001ND
2018-06-141225700.200 ppb
2018-09-11124887ND
2018-09-11E19000887001ND
2019-06-121306840.200 ppb
2019-09-17132881ND