Dinoseb
Beauregard Water Authority
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 | N/A | 0 | 0 | N/A |
2015 | 0.236 ppb | 1 | 1 | 0.236 ppb |
2016 | ND | 4 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 5 | 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 |
---|---|---|
2015-01-14 | AB02029 | 0.236 ppb |
2016-01-12 | AB09703 | ND |
2016-01-12 | AB09702 | ND |
2016-04-13 | AB11108 | ND |
2016-04-13 | AB11107 | ND |
2019-01-17 | AB32611 | ND |
2019-01-17 | AB32612 | ND |
2019-04-10 | AB34079 | ND |
2019-10-17 | AB39407 | ND |
2019-10-17 | AB39406 | ND |