Alachlor (Lasso)
Nashville, Town of
NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for alachlor (lasso). Sample information shown below was taken by City of Rocky Mount.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
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
NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for alachlor (lasso). Sample information shown below was taken by City of Rocky Mount.
| Date | Lab ID | Result |
|---|---|---|
| 2019-06-11 | 37729_19-24433 | ND |
| 2019-06-27 | 37729_19-27227A | ND |
| 2019-06-27 | 37729_19-27227 | ND |
| 2019-08-12 | 37729_19-34935 | ND |
| 2019-08-12 | 37729_19-34939 | ND |
| 2020-04-27 | 37729_20-17651 | ND |
| 2020-06-19 | 8146-061920-E02S | ND |
| 2020-07-07 | 8146B-070720-E01S | ND |
| 2020-07-14 | 8146-071420-E02S | ND |
| 2021-04-06 | 8146-040621-E01S | ND |
| 2021-09-07 | 8146-090721-E01S | ND |
| 2021-10-28 | 8146-102821-E01S | ND |
| 2022-02-10 | 8146-021022-E01S | ND |
| 2022-06-02 | 8146-060222-E01S | ND |
| 2022-08-03 | 8146-080322-E01S | ND |
| 2022-12-07 | 8146-120722-E01S | ND |
| 2023-01-17 | 8146-011723-E01S | ND |
| 2023-04-10 | 8146A-041023-E02S | ND |
| 2023-06-14 | 37729_23-31851 | ND |
| 2023-08-07 | 8146-080723-E02S | ND |
| 2023-09-07 | 8146-090723-E01S | ND |
| 2023-10-04 | 8146-100423-E01S | ND |
| 2023-10-04 | 8146-100423-E02S | ND |