Dinoseb
City of Toyah
NOTE: City of Toyah purchases water from City of Balmorhea which is required to test for dinoseb. Sample information shown below was taken by City of Balmorhea.
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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
NOTE: City of Toyah purchases water from City of Balmorhea which is required to test for dinoseb. Sample information shown below was taken by City of Balmorhea.
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-19 | Q1837703002 | ND |
| 2021-08-09 | Q2120960007 | ND |