Dinoseb
Ephrata Area Joint Authority
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
17
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 | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2020-04-06 | 22168919.00 | ND |
| 2020-04-13 | 22169094.00 | ND |
| 2020-04-13 | 22169093.00 | ND |
| 2020-04-16 | 22365701.00 | ND |
| 2020-07-13 | 22754024.00 | ND |
| 2020-07-13 | 22754023.00 | ND |
| 2020-07-14 | 22754076.00 | ND |
| 2020-07-17 | 22952577.00 | ND |
| 2022-04-12 | 26604788.00 | ND |
| 2023-04-14 | 29056949.00 | ND |
| 2023-04-14 | 29056950.00 | ND |
| 2023-04-14 | 29057132.00 | ND |
| 2023-04-14 | 29056948.00 | ND |
| 2023-07-11 | 29654731.00 | ND |
| 2023-07-18 | 29654898.00 | ND |
| 2023-08-09 | 29844091.00 | ND |
| 2023-08-29 | 29844130.00 | ND |