Dinoseb
Columbia Water Company
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
12
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 7 ppb
The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-04-07 | 22172799.00 | ND |
| 2020-04-07 | 22172829.00 | ND |
| 2020-04-13 | 22172859.00 | ND |
| 2020-07-06 | 22757681.00 | ND |
| 2020-07-07 | 22757712.00 | ND |
| 2020-07-13 | 22757916.00 | ND |
| 2023-04-04 | 28859632.00 | ND |
| 2023-04-10 | 28859633.00 | ND |
| 2023-04-17 | 28859810.00 | ND |
| 2023-07-10 | 29455588.00 | ND |
| 2023-07-14 | 29455590.00 | ND |
| 2023-07-14 | 29455589.00 | ND |