Dalapon
Metropolitan Utilities District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-05-21 | 546381 | ND |
| 2018-07-16 | 560814 | ND |
| 2018-07-16 | 560815 | ND |
| 2019-07-15 | 621273 | ND |
| 2019-07-15 | 621274 | ND |
| 2020-07-07 | 684324 | ND |
| 2020-07-07 | 684323 | ND |
| 2021-07-06 | 746188 | ND |
| 2022-07-11 | 809376 | ND |
| 2023-01-17 | 844807 | ND |
| 2023-01-17 | 844808 | ND |
| 2023-01-17 | 844809 | ND |
| 2023-07-17 | 873552 | ND |
| 2023-07-17 | 873553 | ND |