Dalapon
Lewiston Orchards Irrigation District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
15
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 6 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-08-12 | S190812036-001 | ND |
| 2019-08-13 | S190813026-001 | ND |
| 2019-08-19 | S190819024-001 | ND |
| 2020-04-28 | SMAD0501-01 | ND |
| 2020-04-28 | MAD0501-02 | ND |
| 2020-04-28 | MAD0501-03 | ND |
| 2020-08-31 | SMAI0051-05 | ND |
| 2020-08-31 | SMAI0051-06 | ND |
| 2020-08-31 | SMAI0051-07 | ND |
| 2022-06-01 | SMCF0035-01 | ND |
| 2022-06-01 | SMCF0035-02 | ND |
| 2022-06-01 | SMCF0035-03 | ND |
| 2022-12-14 | SMCL0466-01 | ND |
| 2022-12-14 | SMCL0466-02 | ND |
| 2022-12-14 | SMCL0466-03 | ND |