Dalapon
Pennsylvania American Royersford
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
21
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 | 11 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 10 | 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 |
|---|---|---|
| 2020-04-08 | 22016226.00 | ND |
| 2020-04-08 | 22016110.00 | ND |
| 2020-04-15 | 22016311.00 | ND |
| 2020-04-15 | 22016283.00 | ND |
| 2020-04-15 | 22016255.00 | ND |
| 2020-07-07 | 22601600.00 | ND |
| 2020-08-04 | 22792306.00 | ND |
| 2020-08-05 | 22792289.00 | ND |
| 2020-08-11 | 22792233.00 | ND |
| 2020-08-11 | 22792261.00 | ND |
| 2020-08-18 | 22792676.00 | ND |
| 2023-05-01 | 28893350.00 | ND |
| 2023-05-01 | 28893378.00 | ND |
| 2023-05-01 | 28893319.00 | ND |
| 2023-05-11 | 28893322.00 | ND |
| 2023-05-11 | 28893406.00 | ND |
| 2023-07-06 | 29296028.00 | ND |
| 2023-08-10 | 29491105.00 | ND |
| 2023-08-10 | 29491072.00 | ND |
| 2023-08-10 | 29491126.00 | ND |
| 2023-08-10 | 29491039.00 | ND |