Dinoseb
Guilford Water Authority
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
16
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-06-16 | 14062126-001 | ND |
| 2014-06-16 | 14062126-003 | ND |
| 2014-09-12 | 14091536-001 | ND |
| 2014-09-12 | 14091536-003 | ND |
| 2017-04-17 | 16214715 | ND |
| 2017-04-17 | 16052892 | ND |
| 2017-04-17 | 16214679 | ND |
| 2017-04-17 | 16052856 | ND |
| 2017-07-21 | 16686266 | ND |
| 2017-07-21 | 16526350 | ND |
| 2017-07-21 | 16686302 | ND |
| 2017-07-21 | 16526386 | ND |
| 2018-05-29 | 8055384-01 | ND |
| 2018-09-04 | 8091925-01 | ND |
| 2018-12-11 | 8122846-01 | ND |
| 2019-03-05 | 9032320-01 | ND |