Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Clackamas River Water - Clairmont

NOTE: Clackamas River Water - Clairmont purchases water from South Fork Water Board which is required to test for alachlor (lasso). Sample information shown below was taken by South Fork Water Board.

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

 

4

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
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

NOTE: Clackamas River Water - Clairmont purchases water from South Fork Water Board which is required to test for alachlor (lasso). Sample information shown below was taken by South Fork Water Board.

Date Lab ID Result
2020-06-09016104501-SND
2020-09-15025901601-SND
2023-06-213172009-01-SND
2023-09-133256010-01-SND