Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Mountain Springs Water Supply Corporation

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

 

8

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
2019ND40ND
2020N/A00N/A
2021N/A00N/A
2022ND40ND
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
2019-01-28Q1904051014ND
2019-01-28Q1904051015ND
2019-01-28Q1904051016ND
2019-01-28Q1904051017ND
2022-10-18Q2231735017ND
2022-10-18Q2231735018ND
2022-10-18Q2231735019ND
2022-10-18Q2231735020ND