Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Tannehill Water System

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

 

10

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
2019ND40ND
2020N/A00N/A
2021ND30ND
2022ND30ND
2023N/A00N/A

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
2019-01-2235443839001ND
2019-01-2235443839002ND
2019-01-2235443839001ND
2019-01-2235443839002ND
2021-10-2735673642001ND
2021-10-2735673642002ND
2021-10-2735673642003ND
2022-03-0835703389001ND
2022-06-2235726998001ND
2022-09-2035748637001ND