Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Glen Canyon Nra Wahweap

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
2018ND10ND
2019ND20ND
2020N/A00N/A
2021ND10ND
2022N/A00N/A
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
2018-12-0418L0592-01ND
2019-03-1119C1573-01ND
2019-04-1119D1568-01ND
2021-11-0121K0268-01 SOCND
2023-06-2923F3768-01ND
2023-08-1023H1735-01RE01ND