Alachlor (Lasso)
City of Prescott
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
27
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 | 7 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-01-28 | 478224-001 | ND |
| 2014-01-28 | 478223-001 | ND |
| 2014-01-28 | 478222-001 | ND |
| 2014-02-04 | 478707-001 | ND |
| 2014-02-04 | 478706-001 | ND |
| 2014-02-04 | 478705-001 | ND |
| 2014-02-24 | 479868-001 | ND |
| 2015-06-10 | 509223-001D | ND |
| 2015-07-21 | 511845-001E | ND |
| 2015-07-21 | 511844-001 | ND |
| 2015-11-19 | 519827-001 | ND |
| 2015-11-19 | 519814-001 | ND |
| 2016-03-17 | 526847-001B | ND |
| 2016-04-14 | 550-61972-1 | ND |
| 2016-09-15 | 550-69719-1 | ND |
| 2016-11-14 | 550-72946-1 | ND |
| 2017-01-23 | 550-76311-1 | ND |
| 2017-04-25 | 550-81719-2SOC | ND |
| 2017-07-19 | 550-86412-1 | ND |
| 2017-11-02 | 550-92577-1 | ND |
| 2018-01-22 | 550-96710-1SOC | ND |
| 2018-02-20 | 550-98306-1 | ND |
| 2018-04-24 | 550-101814-1 SOC | ND |
| 2018-06-06 | 550-104024-2 | ND |
| 2019-02-12 | 201902150065S | ND |
| 2019-02-12 | 20190215064S | ND |
| 2019-02-12 | 201902150066S | ND |