Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Pennsylvania American Water Company Warren

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

 

17

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
2019ND10ND
2020ND80ND
2021N/A00N/A
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
2019-08-2746272501ND
2020-04-0622151835.00ND
2020-04-1522151863.00ND
2020-05-0622347216.00ND
2020-05-1322347288.00ND
2020-07-0822736949.00ND
2020-07-1522736877.00ND
2020-08-1322934661.00ND
2020-08-1922934689.00ND
2023-04-0328837790.00ND
2023-04-1128837747.00ND
2023-06-0629240292.00ND
2023-06-1329240320.00ND
2023-08-1529636957.00ND
2023-08-1629636986.00ND
2023-09-0529827559.00ND
2023-09-1229827588.00ND