1,1-Dichloroethane
Townley Water Authority
NOTE: Townley Water Authority purchases water from Jasper Water Works and Sewer Board which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Jasper Water Works and Sewer Board.
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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: Townley Water Authority purchases water from Jasper Water Works and Sewer Board which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Jasper Water Works and Sewer Board.
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-21 | 2980351 | ND |
| 2014-05-22 | 3033685 | ND |
| 2014-08-25 | 3094049 | ND |
| 2014-11-07 | 3136428 | ND |
| 2018-05-25 | 180525010-1 | ND |
| 2019-04-26 | 19040702-001A | ND |
| 2020-06-16 | 20158931001_IVOC | ND |
| 2021-06-07 | 35638719001_IVOC | ND |
| 2022-06-06 | 35722583001_IVOC | ND |
| 2023-06-05 | 35803972001_IVOC | ND |