Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Berwick Bayou Vista Water Works Commission

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
2018-05-0335390206001ND
2018-05-0335390206001ND
2018-07-0935403038001ND
2018-07-0935403038001ND
2019-01-1535442693001ND
2019-01-1535442693001ND
2019-07-0935480722001ND
2019-07-0935480722001ND
2020-02-0435528640001ND
2020-10-1535585522001ND
2021-03-2535621779001ND
2021-11-3035680897001ND
2022-03-2435706097001ND
2022-07-2835735505001ND
2023-09-2635830707001ND
2023-10-0935833393001ND