Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Monroe Water System

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
2018ND40ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-01-1035367821001ND
2018-01-1035367821001ND
2018-07-3035407880001ND
2018-07-3035407880001ND
2019-01-1435442603001ND
2019-01-1435442603001ND
2019-07-3135486743001ND
2019-07-3135486743001ND
2020-01-0635523114001ND
2020-07-1635564002001ND
2021-02-0235608834002ND
2021-09-2335666240001ND
2022-01-1835692112001ND
2022-08-1535741176001ND
2023-02-0635778177001ND
2023-07-1835814092001ND