Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Zachary Water System

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND160ND
2020N/A00N/A
2021ND10ND
2022ND40ND
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
2018-11-2635433146001ND
2018-11-2635433146001ND
2019-06-1835476846004ND
2019-06-1835476846003ND
2019-06-1835476846001ND
2019-06-1835476846002ND
2019-06-1835476846003ND
2019-06-1835476846004ND
2019-06-1835476846002ND
2019-06-1835476846001ND
2019-07-2335484677002ND
2019-07-2335484677004ND
2019-07-2335484677003ND
2019-07-2335484677002ND
2019-07-2335484677001ND
2019-07-2335484677004ND
2019-07-2335484677003ND
2019-07-2335484677001ND
2021-10-2035672362001ND
2022-06-0635724255001ND
2022-06-0635724255002ND
2022-06-0635724255003ND
2022-06-0635724255004ND