Dinoseb
St. John Municipal Water Utility
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 | ND | 4 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 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 |
---|---|---|
2015-04-09 | 3222388RS28-1502 | ND |
2015-04-09 | 3222397RS28-1502 | ND |
2015-09-09 | 3318030RS28-1503 | ND |
2015-09-09 | 348496RS28-1503 | ND |
2018-04-26 | 414957RS-1802 | ND |
2018-04-26 | 414958RS28-1802 | ND |
2018-11-08 | 435578RS28-1804 | ND |
2018-11-08 | 435580RS28-1804 | ND |