Dalapon
Kissimmee River Fishing Resort
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
6
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 | N/A | 0 | 0 | N/A |
| 2021 | 3.73 ppb | 3 | 3 | 2.80 ppb - 5.40 ppb |
| 2022 | 2.70 ppb | 1 | 1 | 2.70 ppb |
| 2023 | 1.90 ppb | 1 | 1 | 1.90 ppb |
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 | Result |
|---|---|
| 2018-10-24 | ND |
| 2021-04-26 | 2.80 ppb |
| 2021-07-14 | 5.40 ppb |
| 2021-10-13 | 3.00 ppb |
| 2022-01-20 | 2.70 ppb |
| 2023-07-19 | 1.90 ppb |