Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Mariana Ranchos County Water District

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

 

4

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
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023ND20ND

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
2020-05-13CA3610030_002_002-202005131214ND
2020-06-10CA3610030_001_001-202006101200ND
2023-04-10CA3610030_002_002-202304100920ND
2023-05-08CA3610030_001_001-202305081028ND