Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Sierra Mutual Water Company

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

 

6

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
2022ND20ND
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
2020-12-20CA5403110_001_001-202012201550ND
2020-12-20CA5403110_002_002-202012201600ND
2022-09-05CA5403110_002_002-202209052015ND
2022-09-05CA5403110_001_001-202209052000ND
2023-08-25CA5403110_002_002-202308252015ND
2023-09-12CA5403110_001_001-202309120645ND