Know Your Environment. Protect Your Health.

Alachlor (Lasso)

South Middleton Twp Water Authority

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

 

12

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
2020ND60ND
2021N/A00N/A
2022N/A00N/A
2023ND60ND

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
2020-05-1422355271.00ND
2020-05-1422355300.00ND
2020-05-1422355329.00ND
2020-08-1322942247.00ND
2020-08-1322942274.00ND
2020-08-1322942304.00ND
2023-05-2529247689.00ND
2023-05-2529247688.00ND
2023-05-2529247687.00ND
2023-08-1529644775.00ND
2023-08-1529644776.00ND
2023-09-1229834481.00ND