Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Alachlor (Lasso)

United Water Pennsylvania

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
2012N/A00N/A
2013N/A00N/A
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND

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
2014-05-062005037001ND
2014-05-062005037002ND
2014-08-042021302001ND
2014-08-042021302002ND
2017-05-1516211385ND
2017-05-1516211421ND
2017-08-0716683099ND
2017-08-0716683135ND