Dinoseb
City of The Dalles
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
14
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 | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 8 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-06-19 | V8F046801-S | ND |
| 2018-06-19 | V8F046802-S | ND |
| 2018-06-19 | V8F046803-S | ND |
| 2018-09-24 | V8I043301-S | ND |
| 2018-09-24 | V8I043302-S | ND |
| 2018-09-24 | V8I043303-S | ND |
| 2021-06-09 | VEF028104-S | ND |
| 2021-06-09 | VEF028101-S | ND |
| 2021-06-09 | VEF028102-S | ND |
| 2021-06-09 | VEF028103-S | ND |
| 2021-09-08 | 202109090740-S | ND |
| 2021-09-08 | 202109090669-S | ND |
| 2021-09-08 | 202109090668-S | ND |
| 2021-09-08 | 202109090741-S | ND |