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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

Leavenworth Water Department

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.25 ppb21ND - 2.50 ppb
20150.375 ppb21ND - 0.750 ppb
20161.000 ppb21ND - 2.00 ppb
20170.190 ppb21ND - 0.380 ppb
20180.230 ppb21ND - 0.460 ppb
20190.900 ppb21ND - 1.80 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-121273602.50 ppb
2014-06-12127365ND
2015-06-02340318ND
2015-06-023403190.750 ppb
2016-06-07559635ND
2016-06-075596362.00 ppb
2017-06-207814590.380 ppb
2017-06-20781460ND
2018-06-05979207ND
2018-06-059792080.460 ppb
2019-06-041178709ND
2019-06-0411787101.80 ppb