Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Star Sewer and Water District Water System

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

 

10

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
2021ND60ND
2022ND20ND
2023N/A00N/A

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
2020-10-20S2052526ND
2020-10-20S2052524ND
2021-02-03S2105168ND
2021-02-03S2105166ND
2021-05-05S2121351ND
2021-05-05S2121353ND
2021-07-07S2134009ND
2021-07-07S2134007ND
2022-09-07S2244167ND
2022-10-12S2251116ND