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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Wakefield S/d

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND20ND
2019ND10ND

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
2014-08-25C407995-01ND
2015-07-20ND
2015-07-23ND
2016-02-11C516189-01ND
2017-08-10CA07860-01ND
2018-07-25CB08291-01 ND
2018-07-25CB08291-02 ND
2019-01-29CB19004-01 ND