Dinoseb
Pennichuck Water Works
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
12
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-08-07 | 1408-00209-001 | ND |
| 2014-09-22 | 1409-01462-001 | ND |
| 2015-07-09 | 1507-00785-001 | ND |
| 2015-09-16 | 1509-01283-001 | ND |
| 2016-07-18 | 1607-01775-001 | ND |
| 2016-09-07 | 1609-00702-001 | ND |
| 2017-07-20 | 1707-02339-001 | ND |
| 2017-09-06 | 1709-00604-001 | ND |
| 2018-07-12 | 1807-01399-001 | ND |
| 2018-09-05 | 1809-00481-001 | ND |
| 2019-07-17 | 1907-02588-001 | ND |
| 2019-08-27 | 1908-03724-001 | ND |