Alachlor (Lasso)
Oregon City
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
21
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 | 6 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-01-14 | 14-10658-01 | ND |
| 2014-04-07 | 14-14115-04 | ND |
| 2014-05-28 | 14-16557-01 | ND |
| 2014-06-09 | 14-17261-01 | ND |
| 2014-07-15 | 14-19339-01 | ND |
| 2014-10-08 | 14-23915-04 | ND |
| 2015-04-14 | 15-14752-01 | ND |
| 2015-05-13 | 15-16155-04 | ND |
| 2015-06-09 | 15-17697-01 | ND |
| 2016-04-19 | 16-15737-04 | ND |
| 2016-05-12 | 16-17050-04 | ND |
| 2016-06-08 | 16-18463-04 | ND |
| 2017-04-12 | 17-16330-04 | ND |
| 2017-05-30 | 17-19338-01 | ND |
| 2017-06-05 | 17-19688-01 | ND |
| 2018-04-05 | 18-16240-01B | ND |
| 2018-05-11 | M18-19987-01 | ND |
| 2018-06-05 | 18-20816-01B | ND |
| 2019-04-17 | 19-17716-01B | ND |
| 2019-05-07 | 19-19079-01B | ND |
| 2019-06-04 | 19-21285-01 | ND |