Alachlor (Lasso)
City of Seal Beach
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-30 | 4417-001-0930 | ND |
| 2014-01-30 | 4417-002-0900 | ND |
| 2014-04-29 | 4417-001-0745 | ND |
| 2014-04-29 | 4417-002-0815 | ND |
| 2014-12-02 | 4417-009-0740 | ND |
| 2015-01-20 | 4417-009-0805 | ND |
| 2017-01-12 | 4417-002-0815 | ND |
| 2017-01-12 | 4417-009-0835 | ND |
| 2017-04-24 | 4417-002-0940 | ND |
| 2017-04-24 | 4417-009-1050 | ND |
| 2018-02-27 | 4417-001-0930 | ND |
| 2018-05-16 | 4417-001-1100 | ND |