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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Beloit, City of

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND50ND
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-19117273ND
2014-07-07147130ND
2015-05-18335039ND
2015-07-20370390ND
2016-05-16547602ND
2016-07-11580906ND
2017-05-22765764ND
2017-07-31808426ND
2018-03-05931258ND
2018-05-21974652ND
2018-05-21974653ND
2018-08-201029016ND
2018-11-271081916ND
2019-02-251125367ND
2019-05-201157619ND
2019-05-201157620ND