Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Valencia Water Company Town Division

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
2018ND50ND
2019ND40ND
2020ND40ND
2021N/A00N/A
2022N/A00N/A
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
2018-02-28577634-001ND
2018-02-28577635-001ND
2018-03-01577893-001ND
2018-03-14579056-001ND
2018-04-05581510-001ND
2019-03-1419C1489-01ND
2019-04-0319D0413-01ND
2019-06-0519F0451-01ND
2019-06-0619F0664-01ND
2020-04-1420D1547-01ND
2020-05-1320E1444-01ND
2020-06-2420F2631-01ND
2020-08-1820H2009-01ND
2023-02-0123B0022-01ND
2023-10-2423J3046-01ND