Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Montrose Boydell Water System

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
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND30ND
2023ND40ND

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
2022-04-19O197140-OGC-1ND
2022-08-22O201167-OGC-1ND
2022-10-18O202986-OGC-1ND
2023-01-10O205109-OGC-1ND
2023-06-12O209892-OGC-1ND
2023-08-30O211701-OGC-1ND
2023-10-18O213099-OGC-1ND