Dalapon
Town of Ponder
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 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-03-13 | Q1810192007 | ND |
| 2020-10-08 | Q2039550020 | ND |
| 2020-10-08 | Q2039550021 | ND |
| 2020-10-08 | Q2039550022 | ND |
| 2021-06-28 | Q2116757022 | ND |
| 2023-09-14 | Q2339666017 | ND |
| 2023-09-14 | Q2339666018 | ND |
| 2023-09-14 | Q2339666019 | ND |