Dinoseb
The Mountain Water System
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2019-02-26 | 680-165148-1 | ND |
| 2019-02-26 | 680-165152-1 | ND |
| 2020-03-18 | 481645 | ND |
| 2020-09-02 | 497125 | ND |
| 2020-12-15 | 506069 | ND |
| 2021-03-16 | 1034274-01 | ND |
| 2021-05-11 | 1053573-01 | ND |
| 2021-08-18 | 1085286-01 | ND |
| 2022-09-20 | FWH0472-01 | ND |
| 2022-09-20 | FWJ0174 | ND |
| 2022-12-13 | FWJ0174-01 | ND |
| 2023-02-16 | FXB0443-01 | ND |
| 2023-04-05 | FXC0477 | ND |
| 2023-08-03 | FXF0558 | ND |