Dalapon
Brazosport Water Authority
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-01-22 | AE09661 | ND |
| 2018-06-06 | AE28830 | ND |
| 2019-02-07 | AE53589 | ND |
| 2019-05-13 | AE65915 | ND |
| 2020-03-17 | AF03340 | ND |
| 2020-05-05 | AF09660 | ND |
| 2021-01-21 | AF40428 | ND |
| 2021-05-27 | AF55772 | ND |
| 2022-01-24 | AF81413 | ND |
| 2022-05-05 | AF95675 | ND |
| 2023-05-15 | AG40431 | ND |
| 2023-05-15 | AG40580 | ND |
| 2023-08-24 | AG54085 | ND |
| 2023-11-13 | AG63408 | ND |