Know Your Environment. Protect Your Health.

Alachlor (Lasso)

City of Mount Vernon

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-21Q1807253004ND
2019-03-04Q1909013001ND
2020-02-12Q2005740001ND
2021-03-29Q2107866001ND
2021-08-16Q2121840001ND
2021-10-27Q2130305001ND
2022-01-18Q2201613001ND
2022-05-03Q2213119001ND
2023-07-11Q2326820003ND