Dalapon
Mount Houston Road Municipal Utility District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-06-18 | AE30193 | ND |
| 2019-07-15 | AE74324 | ND |
| 2020-07-09 | AF18842 | ND |
| 2020-07-09 | AF18959 | ND |
| 2020-07-09 | AF18961 | ND |
| 2021-06-14 | AF57723 | ND |
| 2022-05-05 | AF95659 | ND |
| 2023-06-01 | AG42760 | ND |
| 2023-06-01 | AG42868 | ND |
| 2023-11-09 | AG63114 | ND |