Alachlor (Lasso)
Duncannon Municipal Water
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
13
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 | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 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
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-13 | 8034793-01 | ND |
| 2020-05-11 | 22380599.00 | ND |
| 2020-05-18 | 22380567.00 | ND |
| 2020-05-26 | 22576479.00 | ND |
| 2020-06-01 | 22576508.00 | ND |
| 2021-02-15 | 24214612.00 | ND |
| 2021-05-11 | 24798801.00 | ND |
| 2021-08-24 | 25374686.00 | ND |
| 2021-12-28 | 25914339.00 | ND |
| 2023-06-06 | 29271823.00 | ND |
| 2023-06-06 | 29271796.00 | ND |
| 2023-07-31 | 29465047.00 | ND |
| 2023-07-31 | 29465098.00 | ND |