Dinoseb
Grayson County Water District
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-05-20 | 3031117 | ND |
2015-02-18 | 3193016 | ND |
2015-05-12 | 3242472 | ND |
2016-05-26 | 3461364 | ND |
2017-05-17 | 3697679 | ND |
2017-08-31 | 3772095 | ND |
2017-11-08 | 3818630 | ND |
2018-02-13 | 3871486 | ND |
2018-05-09 | 3933808 | ND |
2018-08-07 | 4014389 | ND |
2018-11-06 | 4113093 | ND |
2019-02-07 | 4191520 | ND |
2019-08-06 | 4377835 | ND |
2019-11-13 | 4485219 | ND |