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EWG's Tap Water Database — 2021 UPDATE

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Metolachlor

City of Great Falls

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

 

4

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
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-05B14050434-001BND
2014-08-05B14080466-001BND
2015-06-02B15060379-001AND
2019-06-03B19060163-003AND