Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Harris County Municipal Utility District 418

NOTE: Harris County Municipal Utility District 418 purchases water from West Harris County Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by West Harris County Regional Water Authority.

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

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

NOTE: Harris County Municipal Utility District 418 purchases water from West Harris County Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by West Harris County Regional Water Authority.

Date Lab ID Result