Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Mt. Joy Boro Authority

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

 

17

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
2019ND20ND
2020ND90ND
2021N/A00N/A
2022N/A00N/A
2023ND60ND

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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021981355.00ND
2020-04-0922170954.00ND
2020-04-0922171121.00ND
2020-05-1922368381.00ND
2020-06-1022565242.00ND
2020-07-2122955072.00ND
2020-08-1122955146.00ND
2020-09-2223142311.00ND
2020-09-2223142341.00ND
2023-05-0929059163.00ND
2023-05-1529059206.00ND
2023-05-1629059207.00ND
2023-08-0129657099.00ND
2023-08-0229657100.00ND
2023-08-1529846323.00ND