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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Mcconnell 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
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND30ND

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
2012-05-29C202064-01ND
2013-04-29C302442-01ND
2014-04-08C402912-01ND
2015-04-01ND
2016-04-18CZ02809-01ND
2017-04-11CA02671-01ND
2017-08-08CA10733-01ND
2017-10-31CA13436-01ND