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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Tensas Water District Association

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

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND20ND
2019ND40ND

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
2014-03-17AD89856ND
2014-03-17AD89856ND
2014-09-04AD96498ND
2014-09-04AD96498ND
2015-03-0335177844004ND
2015-03-0335177844004ND
2015-09-1635207972015ND
2015-09-1635207972015ND
2016-01-1135224622005ND
2016-01-1135224622005ND
2016-09-0735264598002ND
2016-09-0735264598002ND
2017-01-0935288675004ND
2017-01-0935288675004ND
2017-09-2535338816007ND
2017-09-2535338816007ND
2018-07-3035407878001ND
2018-07-3035407878001ND
2019-01-1435442603003ND
2019-01-1435442603003ND
2019-07-3135486747001ND
2019-07-3135486747001ND