Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Bryan County Rural Water District #9

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
2018ND30ND
2019N/A00N/A
2020ND80ND
2021N/A00N/A
2022ND50ND
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
2018-03-27SDWA-1241573-00ND
2018-03-27SDWA-1241574-00ND
2018-03-27SDWA-1241572-00ND
2020-03-02SDWA-1470004-00ND
2020-03-02SDWA-1470054-00ND
2020-03-02SDWA-1470005-00ND
2020-03-02SDWA-1470003-00ND
2020-09-01SDWA-1516101-00ND
2020-09-01SDWA-1516100-00ND
2020-09-01SDWA-1516099-00ND
2020-09-01SDWA-1516075-00ND
2022-03-07SDWA-1674251-00ND
2022-04-20SDWA-1684773-00ND
2022-04-20SDWA-1684800-00ND
2022-04-20SDWA-1684824-00ND
2022-04-20SDWA-1684848-00ND
2023-12-15SDWA-1859120-00ND