Alachlor (Lasso)
Pennsylvania American Water Company Yardley
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2020-04-09 | 22005563.00 | ND |
| 2020-04-09 | 22005591.00 | ND |
| 2020-06-11 | 22395812.00 | ND |
| 2020-08-12 | 22780351.00 | ND |
| 2020-08-12 | 22780407.00 | ND |
| 2020-08-12 | 22780379.00 | ND |
| 2023-04-11 | 28684279.00 | ND |
| 2023-04-17 | 28684307.00 | ND |
| 2023-04-17 | 28684336.00 | ND |
| 2023-08-09 | 29478411.00 | ND |
| 2023-08-09 | 29478456.00 | ND |
| 2023-08-24 | 29478527.00 | ND |