Dalapon
Riverside Harbor
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 |
|---|---|---|
| 2018-02-15 | AE14052 | ND |
| 2018-02-15 | AE14187 | ND |
| 2018-06-07 | AE28992 | ND |
| 2018-08-30 | AE38936 | ND |
| 2019-09-26 | AE84822 | ND |
| 2020-08-17 | AF23810 | ND |
| 2021-06-24 | AF59405 | ND |
| 2021-06-24 | AF59502 | ND |
| 2022-09-21 | AG14125 | ND |
| 2023-06-22 | AG45548 | ND |