Know Your Environment. Protect Your Health.

Alachlor (Lasso)

North Penn Water Authority

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

 

31

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
2020ND220ND
2021ND10ND
2022N/A00N/A
2023ND80ND

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
2020-04-0122022943.00ND
2020-04-0122022973.00ND
2020-04-0122023063.00ND
2020-04-0122023033.00ND
2020-04-0122023003.00ND
2020-04-0122023141.00ND
2020-04-1322023355.00ND
2020-04-1322023325.00ND
2020-04-1322023295.00ND
2020-04-1322023265.00ND
2020-05-0422215397.00ND
2020-07-0622607399.00ND
2020-07-0622607339.00ND
2020-07-0622608078.00ND
2020-07-0622607309.00ND
2020-07-0622607369.00ND
2020-08-1022799499.00ND
2020-08-1022799619.00ND
2020-08-1022799589.00ND
2020-08-1222799529.00ND
2020-08-1222799559.00ND
2020-08-3122999398.00ND
2021-05-0524438654.00ND
2023-04-1228702884.00ND
2023-04-1228702882.00ND
2023-04-1228702883.00ND
2023-04-1228702881.00ND
2023-07-1929498052.00ND
2023-07-1929498051.00ND
2023-07-1929498053.00ND
2023-07-1929498050.00ND