Dalapon
Aqua Pa West Chester
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 | 2 | 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): 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-04-09 | 22206949.00 | ND |
| 2020-07-09 | 22599544.00 | ND |
| 2023-02-03 | 28513882.00 | ND |
| 2023-04-06 | 28694333.00 | ND |
| 2023-04-26 | 28891440.00 | ND |
| 2023-07-13 | 29488863.00 | ND |
| 2023-07-19 | 29488888.00 | ND |
| 2023-10-31 | 30418454.00 | ND |