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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Strong Waterworks

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND20ND
2017ND20ND
2018N/A00N/A
2019ND20ND

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
2014-01-1414016010806ND
2016-07-1216196014106ND
2016-07-1216196014006ND
2017-02-2717060000306ND
2017-11-1417319000801ND
2019-08-1219227000106ND
2019-08-1219227000206ND