Dalapon
Crown Mountain WSC
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 | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-02-08 | AE13093 | ND |
| 2018-06-19 | AE30446 | ND |
| 2018-06-19 | AE30554 | ND |
| 2018-08-02 | AE35641 | ND |
| 2019-09-26 | AE84818 | ND |
| 2020-09-14 | AF27172 | ND |
| 2021-08-02 | AF64220 | ND |
| 2021-08-02 | AF64268 | ND |
| 2022-06-22 | AG01894 | ND |
| 2023-06-15 | AG44704 | ND |