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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

Aquilla WSD

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
20180.0500 ppb42ND - 0.1000 ppb
20190.125 ppb42ND - 0.300 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-20AC44077ND
2014-06-17AC57128ND
2014-09-22AC67687ND
2014-12-10AC74376ND
2015-03-16AC84516ND
2015-06-17AC96424ND
2015-09-08AD06031ND
2015-11-17AD13903ND
2016-03-17AD29434ND
2016-05-03AD35227ND
2016-09-12AD48973ND
2016-11-30AD59681ND
2017-03-02Q1709022001ND
2017-05-08Q1718727001ND
2017-07-17Q1729190003ND
2017-11-01Q1755901001ND
2018-01-09Q1800812001ND
2018-04-11Q18150190010.1000 ppb
2018-07-11Q18272650030.1000 ppb
2018-10-16Q1841141001ND
2019-01-15Q1902312001ND
2019-04-10Q1914816001ND
2019-07-10Q19434920010.300 ppb
2019-10-03Q19710240010.200 ppb