Alachlor (Lasso)
Jonesboro Water System
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 |
|---|---|---|---|---|
| 2018 | ND | 12 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | 0.0330 ppb | 1 | 1 | 0.0330 ppb |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-03-05 | 35378990001 | ND |
| 2018-03-05 | 35378990001 | ND |
| 2018-08-20 | 35412727001 | ND |
| 2018-08-20 | 35412727002 | ND |
| 2018-08-20 | 35412727003 | ND |
| 2018-08-20 | 35412727004 | ND |
| 2018-08-20 | 35412727004 | ND |
| 2018-08-20 | 35412727003 | ND |
| 2018-08-20 | 35412727001 | ND |
| 2018-08-20 | 35412727002 | ND |
| 2018-08-27 | 35414189001 | ND |
| 2018-08-27 | 35414189001 | ND |
| 2019-10-22 | 35507148001 | ND |
| 2019-10-22 | 35507148001 | ND |
| 2020-09-08 | 35577115001 | ND |
| 2021-04-06 | 35623965001 | ND |
| 2021-04-06 | 35623965002 | ND |
| 2021-04-06 | 35623965003 | ND |
| 2021-04-06 | 35623965004 | ND |
| 2021-04-06 | 35623965005 | ND |
| 2022-11-28 | 35763114001 | 0.0330 ppb |