Know Your Environment. Protect Your Health.

Alachlor (Lasso)

City Of Modesto - Del Rio

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND10ND
2021ND30ND
2022N/A00N/A
2023ND30ND

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
2018-05-14CA5010029_010_010-201805140830ND
2020-05-13CA5010029_010_010-202005131047ND
2021-02-03CA5010029_010_010-202102030830ND
2021-05-04CA5010029_010_010-202105040855ND
2021-11-03CA5010029_010_010-202111030920ND
2023-07-05CA5010029_002_002-202307050755ND
2023-07-05CA5010029_004_004-202307050835ND
2023-07-05CA5010029_001_001-202307050820ND