Dinoseb
North Cherokee Water Supply Corporation
NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for dinoseb. Sample information shown below was taken by City of Jacksonville.
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 4 | 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: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for dinoseb. Sample information shown below was taken by City of Jacksonville.
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-30 | Q1904613002 | ND |
| 2020-01-27 | Q2002874007 | ND |
| 2020-01-27 | Q2002874029 | ND |
| 2020-01-27 | Q2002874030 | ND |
| 2020-01-27 | Q2002874031 | ND |
| 2020-05-07 | Q2018089007 | ND |
| 2022-01-10 | Q2200509006 | ND |
| 2023-09-28 | Q2341783004 | ND |
| 2023-09-28 | Q2341783021 | ND |
| 2023-09-28 | Q2341783022 | ND |
| 2023-09-28 | Q2341783023 | ND |