Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Iola, City of

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND50ND
2020ND40ND
2021ND30ND
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

Date Lab ID Result
2018-05-21973880ND
2018-10-151061396ND
2019-03-051131765ND
2019-05-061157777ND
2019-05-061157780ND
2019-08-121222762ND
2019-11-041268851ND
2020-02-031318411ND
2020-05-181383138ND
2020-08-101485473ND
2020-11-021632664ND
2021-02-011760423ND
2021-05-031829502ND
2021-05-031829501ND
2022-05-092255421ND
2023-05-082497906ND