Know Your Environment. Protect Your Health.

Alachlor (Lasso)

New Orleans Algiers Water Works

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND10ND
2021ND20ND
2022ND20ND
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
2018-04-1735386954004ND
2018-04-1735386954004ND
2018-10-0235421764001ND
2018-10-0235421764001ND
2019-02-0535446734001ND
2019-02-0535446734001ND
2019-08-1435490420001ND
2019-08-1435490420001ND
2020-10-2635587653001ND
2021-03-2935622312001ND
2021-12-0835683695001ND
2022-03-1535704704001ND
2022-10-1335753421001ND
2023-03-0635783941001ND
2023-10-3135838748001ND