Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Northwest Harris County Municipal Utility District 19

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND10ND
2022ND20ND
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
2018-05-17AE26875ND
2019-11-07AE88977ND
2019-11-07AE88978ND
2020-12-15AF37738ND
2021-06-10AF57598ND
2022-05-17AF97326ND
2022-05-17AF97336ND
2023-07-20AG49701ND