Alachlor (Lasso)
Golden State Water Company - Los Osos
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-07-02 | 2706-008-0850 | ND |
| 2016-05-11 | 2706-019-0718 | ND |
| 2017-07-18 | 9590-019-1000 | ND |
| 2017-09-26 | 9590-019-0830 | ND |
| 2017-12-05 | 9590-019-0950 | ND |
| 2017-12-12 | 9590-019-1015 | ND |
| 2018-02-13 | 9590-019-0840 | ND |
| 2019-01-14 | 9590-019-1445 | ND |
| 2019-01-14 | 9590-019-1500 | ND |