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EWG's Tap Water Database — 2019 UPDATE

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Alachlor (Lasso)

Algonquin

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013N/A00N/A
2014N/A00N/A
2015ND80ND
2016N/A00N/A
2017N/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
2012-07-232073147-01RE1ND
2012-07-232073253-01ND
2012-07-232073256-01ND
2012-07-232073145-01RE1ND
2012-11-152112240-03ND
2012-11-152112240-02ND
2012-11-152112240-04ND
2012-11-152112240-01ND
2015-07-275074813-03ND
2015-07-275074813-02ND
2015-07-275074813-04ND
2015-07-275074813-01ND
2015-10-145102492-04ND
2015-10-145102492-01ND
2015-10-145102492-02ND
2015-10-145102492-03ND