Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Clackamas River Water - Clackamas

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-01-23802301101-SND
2019-01-22902201001-SND
2020-01-28002803001-SND
2020-04-21011205601-SND
2021-01-26102602901-SND
2022-01-252025019-01-SND
2023-02-083039006-01-SND