Dinoseb
Ruth Water District
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for dinoseb. Sample information shown below was taken by Ely Municipal Water Department.
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 2 | 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
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for dinoseb. Sample information shown below was taken by Ely Municipal Water Department.
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-26 | 201910010466 | ND |
| 2021-12-09 | 202112150655 | ND |
| 2022-03-10 | 202203160074 | ND |
| 2022-05-12 | 380-1966-1 | ND |
| 2022-07-07 | 380-9979-1 | ND |
| 2022-08-25 | 810-36089-1 | ND |
| 2022-08-25 | 810-36089-2 | ND |
| 2023-05-10 | 380-47459-1 | ND |
| 2023-11-08 | 380-71012-1 | ND |