Dinoseb
Mt. Joy Boro 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 | ND | 2 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2019-08-20 | 9083654-01 | ND |
| 2019-11-07 | 9110611-01 | ND |
| 2020-02-20 | 21981351.00 | ND |
| 2020-04-09 | 22170966.00 | ND |
| 2020-04-09 | 22171154.00 | ND |
| 2020-05-19 | 22368377.00 | ND |
| 2020-06-10 | 22565238.00 | ND |
| 2020-07-21 | 22955055.00 | ND |
| 2020-08-11 | 22955142.00 | ND |
| 2020-09-22 | 23142307.00 | ND |
| 2020-09-22 | 23142337.00 | ND |
| 2023-05-09 | 29059159.00 | ND |
| 2023-05-15 | 29059198.00 | ND |
| 2023-05-16 | 29059199.00 | ND |
| 2023-08-01 | 29657091.00 | ND |
| 2023-08-02 | 29657092.00 | ND |
| 2023-08-15 | 29846319.00 | ND |