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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

Dayton Valley Water System

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

 

13

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
2014ND20ND
2015ND10ND
2016ND50ND
2017N/A00N/A
2018ND10ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-13201405140421ND
2014-05-13201405140422ND
2015-05-11201505130156ND
2016-05-18201605240207ND
2016-06-286F30029-01ND
2016-06-286F30035-01ND
2016-11-09201611110580ND
2016-11-09201611110581ND
2018-04-05201804060643ND
2019-05-20201905240032ND
2019-08-08201908140254ND
2019-08-08201908140255ND
2019-08-14201908160801ND