Alachlor (Lasso)
East Orange County Water District - Rz
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2016-02-25 | 4417-001-0900 | ND |
| 2016-05-25 | 4417-001-1155 | ND |
| 2016-09-21 | 4417-002-0905 | ND |
| 2016-10-13 | 4417-002-0900 | ND |
| 2017-02-08 | 4417-002-1040 | ND |
| 2017-05-03 | 4417-002-0940 | ND |
| 2019-02-20 | 4417-001-0905 | ND |
| 2019-02-20 | 4417-002-0850 | ND |
| 2019-04-23 | 4417-001-0855 | ND |
| 2019-04-23 | 4417-002-0910 | ND |