Alachlor (Lasso)
Gretna, City of
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
23
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 | 2 | 0 | ND |
| 2015 | 0.0366 ppb | 11 | 3 | ND - 0.184 ppb |
| 2016 | 0.106 ppb | 1 | 1 | 0.106 ppb |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-05-13 | 295503 | ND |
| 2014-08-04 | 311760 | ND |
| 2015-05-26 | 356552 | ND |
| 2015-05-26 | 356553 | ND |
| 2015-05-26 | 356551 | 0.101 ppb |
| 2015-05-26 | 356550 | ND |
| 2015-05-26 | 356549 | ND |
| 2015-08-03 | 375039 | ND |
| 2015-08-03 | 375042 | ND |
| 2015-08-03 | 375043 | ND |
| 2015-08-03 | 375041 | 0.118 ppb |
| 2015-08-03 | 375040 | ND |
| 2015-10-13 | 391386 | 0.184 ppb |
| 2016-01-11 | 0.106 ppb | |
| 2017-05-08 | ND | |
| 2017-08-07 | ND | |
| 2018-05-14 | 544418 | ND |
| 2018-05-14 | 544419 | ND |
| 2018-05-14 | 544420 | ND |
| 2018-05-14 | 544421 | ND |
| 2018-08-13 | 561106 | ND |
| 2019-04-15 | 605609 | ND |
| 2019-08-12 | 621565 | ND |