Dinoseb
North Penn Water Authority
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
30
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 | 22 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2020-04-01 | 22022939.00 | ND |
| 2020-04-01 | 22023059.00 | ND |
| 2020-04-01 | 22023029.00 | ND |
| 2020-04-01 | 22022969.00 | ND |
| 2020-04-01 | 22022999.00 | ND |
| 2020-04-01 | 22023137.00 | ND |
| 2020-04-13 | 22023351.00 | ND |
| 2020-04-13 | 22023321.00 | ND |
| 2020-04-13 | 22023291.00 | ND |
| 2020-04-13 | 22023261.00 | ND |
| 2020-05-04 | 22215393.00 | ND |
| 2020-07-06 | 22607335.00 | ND |
| 2020-07-06 | 22607365.00 | ND |
| 2020-07-06 | 22607395.00 | ND |
| 2020-07-06 | 22607305.00 | ND |
| 2020-07-06 | 22608061.00 | ND |
| 2020-08-10 | 22799615.00 | ND |
| 2020-08-10 | 22799585.00 | ND |
| 2020-08-10 | 22799495.00 | ND |
| 2020-08-12 | 22799555.00 | ND |
| 2020-08-12 | 22799525.00 | ND |
| 2020-08-31 | 22999394.00 | ND |
| 2023-04-12 | 28702868.00 | ND |
| 2023-04-12 | 28702866.00 | ND |
| 2023-04-12 | 28702865.00 | ND |
| 2023-04-12 | 28702867.00 | ND |
| 2023-07-19 | 29498035.00 | ND |
| 2023-07-19 | 29498037.00 | ND |
| 2023-07-19 | 29498036.00 | ND |
| 2023-07-19 | 29498034.00 | ND |