Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Cottages Of Acadiana Water System

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND50ND
2022ND10ND
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
2018-03-2735383753002ND
2018-03-2735383753002ND
2018-08-0135408601001ND
2018-08-0135408601001ND
2019-08-1235490062001ND
2019-08-1235490062001ND
2020-11-2435594841006ND
2020-11-2435594841007ND
2021-01-2435607357001ND
2021-01-2435607357002ND
2021-01-2535607350001ND
2021-06-0135637988002ND
2021-06-0135637988003ND
2022-08-2335742134005ND