Dalapon
Lehigh County Authority Allentown Division
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
18
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 | 8 | 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 | 22077909.00 | ND |
| 2020-04-14 | 22077865.00 | ND |
| 2020-04-14 | 22077829.00 | ND |
| 2020-04-22 | 22078443.00 | ND |
| 2020-07-08 | 22660549.00 | ND |
| 2020-07-16 | 22660589.00 | ND |
| 2020-07-22 | 22660663.00 | ND |
| 2020-07-22 | 22660625.00 | ND |
| 2023-04-11 | 28759076.00 | ND |
| 2023-04-11 | 28759077.00 | ND |
| 2023-04-19 | 28759254.00 | ND |
| 2023-04-26 | 28958426.00 | ND |
| 2023-04-26 | 28958425.00 | ND |
| 2023-07-11 | 29355942.00 | ND |
| 2023-07-11 | 29355941.00 | ND |
| 2023-07-18 | 29355879.00 | ND |
| 2023-07-18 | 29355880.00 | ND |
| 2023-07-25 | 29554451.00 | ND |