Dinoseb
City of Spokane
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
25
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-07-29 | 00947 | ND |
| 2014-07-29 | 00946 | ND |
| 2014-07-29 | 00945 | ND |
| 2014-10-28 | 54250 | ND |
| 2014-12-02 | 55190 | ND |
| 2015-04-28 | 59499 | ND |
| 2015-07-28 | 63239 | ND |
| 2015-07-28 | 63246 | ND |
| 2015-07-28 | 63258 | ND |
| 2015-07-28 | 63244 | ND |
| 2015-10-27 | 67367 | ND |
| 2015-10-27 | 67369 | ND |
| 2015-10-27 | 67368 | ND |
| 2017-07-25 | ND | |
| 2017-07-25 | ND | |
| 2017-10-24 | ND | |
| 2017-10-24 | ND | |
| 2017-10-24 | ND | |
| 2018-07-17 | ND | |
| 2018-07-17 | ND | |
| 2018-07-17 | ND | |
| 2018-07-17 | ND | |
| 2018-10-30 | ND | |
| 2018-10-30 | ND | |
| 2018-10-30 | ND |