1,1-Dichloroethane
Tryon Road Special Utility District
NOTE: Tryon Road Special Utility District purchases water from Northeast Texas Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Northeast Texas Municipal Water District.
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
NOTE: Tryon Road Special Utility District purchases water from Northeast Texas Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Northeast Texas Municipal Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-20 | Q1837729001 | ND |
| 2019-08-14 | Q1954876001 | ND |
| 2020-04-23 | Q2016185003 | ND |
| 2020-08-18 | Q2032884003 | ND |
| 2021-02-09 | Q2103854003 | ND |
| 2022-03-01 | Q2206887005 | ND |
| 2023-01-18 | Q2302651002 | ND |