Alachlor (Lasso)
City of Caldwell
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 | 4 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 9 | 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 |
|---|---|---|
| 2014-02-26 | S1407039 | ND |
| 2014-06-18 | S1422594 | ND |
| 2014-09-29 | S1438512 | ND |
| 2014-11-13 | S1445335 | ND |
| 2015-03-10 | S1509143 | ND |
| 2015-05-06 | S1517379 | ND |
| 2015-09-24 | S1541055 | ND |
| 2016-09-06 | S1640377 | ND |
| 2016-09-06 | S1640374 | ND |
| 2016-09-06 | S1640375 | ND |
| 2016-09-06 | S1640376 | ND |
| 2016-09-06 | S1640378 | ND |
| 2019-08-06 | S1938593 | ND |
| 2019-08-06 | S1938591 | ND |
| 2019-08-06 | S1938594 | ND |
| 2019-08-06 | S1938601 | ND |
| 2019-08-06 | S1938599 | ND |
| 2019-08-06 | S1938597 | ND |
| 2019-08-19 | S1941172 | ND |
| 2019-08-19 | S1941179 | ND |
| 2019-08-20 | S1941326 | ND |