Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Clarence Cannon Wholesale Water Commission

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
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 Lab ID Result
2018-02-19AD14829ND
2018-05-14AD20834ND
2018-08-06AD31592ND
2018-11-21AD36115ND
2019-03-04AD39917ND
2019-05-28AD47801ND
2019-08-20AD54390ND
2019-11-18AD58415ND
2020-02-202001419ND
2020-05-262008846ND
2020-08-242013072ND
2020-11-182017968ND
2021-02-232100616ND
2021-05-252110888ND
2021-08-252115230ND
2021-11-222119454ND
2022-02-222201910ND
2022-05-242211507ND
2022-09-072216191ND
2022-12-062221109ND
2023-03-072300531ND
2023-05-252308078ND
2023-08-272313254ND