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EWG's Tap Water Database — 2019 UPDATE

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Metolachlor

Oswego, City of

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.590 ppb110.590 ppb
20131.80 ppb111.80 ppb
20140.410 ppb42ND - 1.000 ppb
20150.920 ppb110.920 ppb
2016N/A00N/A
20170.780 ppb110.780 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-06-11579930ZF0.590 ppb
2013-06-17597421ZF1.80 ppb
2014-02-1763397ND
2014-05-05109181ND
2014-06-171331811.000 ppb
2014-08-041659110.640 ppb
2015-05-033220810.920 ppb
2017-08-148191970.780 ppb