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EWG's Tap Water Database — 2019 UPDATE

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Metolachlor

City of South Houston

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND50ND
2014ND50ND
20150.0857 ppb73ND - 0.200 ppb
20160.0367 ppb61ND - 0.220 ppb
2017ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-06AB80276ND
2012-02-06AB80275ND
2012-02-06AB80271ND
2012-02-06AB80274ND
2012-02-06AB80267ND
2013-01-14AC07648ND
2013-01-14AC07649ND
2013-01-14AC07650ND
2013-01-14AC07644ND
2013-01-14AC07647ND
2014-01-14AC38903ND
2014-01-14AC38904ND
2014-01-14AC38908ND
2014-01-14AC38906ND
2014-01-14AC38905ND
2015-01-21AC77137ND
2015-01-21AC771310.200 ppb
2015-01-21AC77136ND
2015-01-21AC771290.200 ppb
2015-01-21AC771300.200 ppb
2015-09-15AD07180ND
2015-10-06AD09652ND
2016-01-14AD18395ND
2016-01-14AD18382ND
2016-01-14AD18385ND
2016-01-14AD18388ND
2016-01-14AD18391ND
2016-04-08AD326610.220 ppb
2017-01-06AD63756ND
2017-02-10AD70495ND
2017-03-01AD72880ND
2017-03-01AD72881ND
2017-03-01AD72879ND