Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Othello Water Department

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
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
2022ND30ND
2023N/A00N/A

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
2018-03-15ND
2018-03-15ND
2018-03-15ND
2018-12-13ND
2021-03-314102313ND
2021-08-114171864ND
2021-08-114171882ND
2021-10-134202793ND
2021-10-134202794ND
2022-03-154263166ND
2022-06-024304467ND
2022-09-064370751ND