Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Oakdale

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
2018ND40ND
2019ND20ND
2020N/A00N/A
2021ND30ND
2022ND50ND
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
2018-09-2518I1233-02ND
2018-09-2518I1233-01ND
2018-11-2818K1049-01ND
2018-11-2818K1049-02ND
2019-09-3019I2799-01ND
2019-10-2119J1159-01ND
2021-11-3021K1445-03ND
2021-11-3021K1445-02ND
2021-11-3021K1445-01ND
2022-03-3022C1204-01ND
2022-03-3022C1204-02ND
2022-05-1722E1283-01ND
2022-09-1422I0893-02ND
2022-12-2922L1157-01ND
2023-06-0623F0363-01ND
2023-08-2223H2240-01ND
2023-12-2823L0918-02ND