Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Logan County Rural Water District #2

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

 

7

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
2019ND20ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2019-09-23BI24087-01RE1ND
2019-09-23SDWA-1425374-00ND
2020-02-06SDWA-1458390-00ND
2020-09-03SDWA-1515698-00ND
2021-10-11SDWA-1614223-00ND
2022-02-28SDWA-1670149-00ND
2023-12-11SDWA-1859373-00ND