Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Ruth Water District

NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for alachlor (lasso). Sample information shown below was taken by Ely Municipal Water Department.

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND10ND
2022ND50ND
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

NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for alachlor (lasso). Sample information shown below was taken by Ely Municipal Water Department.

Date Lab ID Result
2019-09-26201910010466ND
2021-12-09202112150655ND
2022-03-10202203160074ND
2022-05-12380-1966-1ND
2022-07-07380-9979-1ND
2022-08-25810-36089-1ND
2022-08-25810-36089-2ND
2023-05-10380-47459-1ND
2023-11-08380-71012-1ND