Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Cottonwood Hills Estates

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
2022ND40ND
2023ND40ND

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
2018-02-13Q1805887005ND
2018-02-13Q1805887006ND
2021-03-16Q2106819001ND
2021-06-16Q2115846001ND
2021-08-18Q2122395001ND
2021-09-13Q2124824001ND
2021-12-08Q2134355001ND
2022-03-22AF91417ND
2022-06-06Q2215733001ND
2022-09-19Q2227946001ND
2022-11-28Q2235276001ND
2023-02-21Q2307018003ND
2023-05-08Q2317259001ND
2023-09-07Q2338617001ND
2023-12-04Q2351276002ND