Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Coulterville

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-02-268024311-01ND
2018-04-038041082-01ND
2019-04-239045255-01ND
2020-04-130042894-01ND
2021-04-11ED02422-01ND
2022-05-01FE00388-01ND
2023-06-06GF01788-01ND
2023-10-16GJ03461-01ND