Dinoseb
Chowan County Water System
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-05-21 | 8045-052114-E01S | ND |
2014-07-09 | 8045-070914-E01S | ND |
2015-04-15 | ND | |
2016-04-13 | 8045-041316-E01S | ND |
2017-04-05 | 8045-040517-E01S | ND |
2017-08-16 | 8045-081617-E01S | ND |
2018-04-11 | 8045-041118-E01S | ND |
2018-09-19 | 8045-091918-E01S | ND |
2018-10-24 | 8045-102418-E01S | ND |
2019-01-16 | 8045-011619-E01S | ND |
2019-05-29 | 8045-052919-E01S | ND |
2019-07-17 | 8045-071719-E01S | ND |
2019-10-09 | 8045-100919-E01S | ND |