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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Lexington

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016ND40ND
2017N/A00N/A
2018ND40ND
2019N/A00N/A

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
2014-12-08AI60935ND
2015-02-02AI63938ND
2015-05-04AI76406ND
2015-08-10AI86124ND
2016-02-08AJ06242ND
2016-05-16AJ12525ND
2016-07-19AJ18874ND
2016-10-03AJ30605ND
2018-01-09AJ76519ND
2018-04-24AJ87941ND
2018-07-18AJ94699ND
2018-10-17AK04253ND