Dinoseb
Gretna, City of
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
13
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 1.10 ppb | 4 | 1 | ND - 4.40 ppb |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2015-07-06 | 375037 | ND |
| 2015-07-06 | 375038 | ND |
| 2018-07-30 | 560677 | ND |
| 2018-07-30 | 560678 | ND |
| 2018-07-30 | 560679 | 4.40 ppb |
| 2018-10-15 | 580758 | ND |
| 2019-02-11 | 590607 | ND |
| 2019-04-01 | 602845 | ND |
| 2019-07-16 | 621106 | ND |
| 2019-10-21 | 638450 | ND |
| 2019-11-04 | 638838 | ND |
| 2019-11-04 | 638839 | ND |
| 2019-12-03 | 638840 | ND |