Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Bossier City Water System

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND20ND
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
2018-01-2335370031001ND
2018-01-2335370031001ND
2018-07-3135408509001ND
2018-07-3135408509001ND
2019-02-2535450969001ND
2019-02-2535450969001ND
2019-07-3135486402001ND
2019-07-3135486402001ND
2020-03-1635538194001ND
2020-08-1135569893001ND
2021-02-0335609510001ND
2021-08-0535653536002ND
2022-01-2735693462008ND
2022-07-2735735463001ND
2023-01-3035776976002ND
2023-08-1535821480001ND