Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Upper Hanover Water Authority

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND70ND
2021N/A00N/A
2022N/A00N/A
2023ND130ND

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
2020-03-2021848014.00ND
2020-03-2021848012.00ND
2020-03-2021848013.00ND
2020-06-1822417399.00ND
2020-06-1822417402.00ND
2020-06-1822417400.00ND
2020-06-1822417401.00ND
2023-02-2828703095.00ND
2023-02-2828703097.00ND
2023-02-2828703096.00ND
2023-05-2429108956.00ND
2023-05-2429108958.00ND
2023-05-2429108957.00ND
2023-08-2129700669.00ND
2023-08-2129700668.00ND
2023-08-2229700670.00ND
2023-11-1330246621.00ND
2023-11-1330246593.00ND
2023-11-1430246565.00ND
2023-11-2830246537.00ND