Dinoseb
South Middleton Twp Water Authority
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
12
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 | 6 | 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 |
|---|---|---|
| 2020-05-14 | 22355267.00 | ND |
| 2020-05-14 | 22355296.00 | ND |
| 2020-05-14 | 22355325.00 | ND |
| 2020-08-13 | 22942243.00 | ND |
| 2020-08-13 | 22942270.00 | ND |
| 2020-08-13 | 22942300.00 | ND |
| 2023-05-25 | 29247674.00 | ND |
| 2023-05-25 | 29247675.00 | ND |
| 2023-05-25 | 29247676.00 | ND |
| 2023-08-15 | 29644767.00 | ND |
| 2023-08-15 | 29644765.00 | ND |
| 2023-08-15 | 29644766.00 | ND |