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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Lake In The Hills

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND140ND
2016N/A00N/A
2017N/A00N/A
2018ND140ND
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
2015-02-195022854-01ND
2015-02-195022854-02ND
2015-02-195022855-03ND
2015-02-195022851-02ND
2015-02-195022854-03ND
2015-02-195022855-02ND
2015-02-195022851-01ND
2015-04-285044427-01ND
2015-04-285044431-02ND
2015-04-285044431-01ND
2015-04-285044440-03ND
2015-04-285044440-01ND
2015-04-285044440-04ND
2015-04-285044427-02ND
2018-01-093850156ND
2018-01-093850146ND
2018-01-093850138ND
2018-01-093850002ND
2018-01-103851321ND
2018-01-103851337ND
2018-01-103851647ND
2018-04-108041928-05ND
2018-04-108041928-06ND
2018-04-108041928-07ND
2018-04-108041928-04ND
2018-04-108041928-03ND
2018-04-108041928-02ND
2018-04-108041928-01ND