Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Twa Sunbridge Water Treatment Plant

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
20220.00725 ppb41ND - 0.0290 ppb
2023ND30ND

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 Result
2022-02-23ND
2022-05-24ND
2022-08-02ND
2022-10-280.0290 ppb
2023-01-31ND
2023-04-21ND
2023-10-24ND