Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Sierra Cedars Community Services District

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

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020ND10ND
2021N/A00N/A
2022ND10ND
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
2018-06-28CA1010052_001_001-201806281305ND
2018-06-28CA1010052_002_002-201806281315ND
2018-12-20CA1010052_008_008-201812201335ND
2020-03-24CA1010052_006_006-202003241045ND
2022-11-15CA1010052_004_004-202211151135ND