Dalapon
Pennsylvania American Water Company Yardley
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
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): 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 | 22005566.00 | ND |
| 2020-04-09 | 22005594.00 | ND |
| 2020-06-11 | 22395815.00 | ND |
| 2020-08-12 | 22780354.00 | ND |
| 2020-08-12 | 22780410.00 | ND |
| 2020-08-12 | 22780382.00 | ND |
| 2023-04-11 | 28684259.00 | ND |
| 2023-04-17 | 28684287.00 | ND |
| 2023-04-17 | 28684316.00 | ND |
| 2023-08-09 | 29478391.00 | ND |
| 2023-08-09 | 29478420.00 | ND |
| 2023-08-09 | 29478436.00 | ND |