Dalapon
City of Hearne
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 5 | 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 |
|---|---|---|
| 2018-06-21 | AE30981 | ND |
| 2019-05-16 | AE66836 | ND |
| 2020-04-23 | AF07881 | ND |
| 2020-06-30 | AF17369 | ND |
| 2020-06-30 | AF17392 | ND |
| 2020-06-30 | AF17393 | ND |
| 2020-06-30 | AF17394 | ND |
| 2021-06-08 | AF56921 | ND |
| 2022-06-22 | AG01928 | ND |
| 2023-06-13 | AG44305 | ND |
| 2023-06-13 | AG44306 | ND |
| 2023-06-13 | AG44307 | ND |
| 2023-06-13 | AG44308 | ND |
| 2023-07-27 | AG50393 | ND |