Know Your Environment. Protect Your Health.

Alachlor (Lasso)

City of Winnsboro

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-03-13Q1810061001ND
2019-03-12Q1910348003ND
2020-02-21Q2006801001ND
2020-05-27Q2020813001ND
2020-09-01Q2034821001ND
2020-12-10Q2049359001ND
2021-02-25Q2104980001ND
2022-08-08Q2222759007ND
2023-02-14Q2305805002ND