Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Columbia Water Company

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND60ND
2021N/A00N/A
2022N/A00N/A
2023ND60ND

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
2020-04-0722172803.00ND
2020-04-0722172833.00ND
2020-04-1322172863.00ND
2020-07-0622757685.00ND
2020-07-0722757716.00ND
2020-07-1322757920.00ND
2023-04-0428859641.00ND
2023-04-1028859640.00ND
2023-04-1728859814.00ND
2023-07-1029455600.00ND
2023-07-1429455602.00ND
2023-07-1429455601.00ND