1,1-Dichloroethane
Hillcrest Water District
NOTE: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Leicester Water Supply 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 | 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: Hillcrest Water District purchases water from Leicester Water Supply District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Leicester Water Supply District.
| Date | Result |
|---|---|
| 2019-05-28 | ND |
| 2019-05-28 | ND |
| 2019-05-28 | ND |
| 2019-05-28 | ND |
| 2020-06-24 | ND |
| 2020-06-24 | ND |
| 2020-06-24 | ND |
| 2020-06-24 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2022-05-12 | ND |
| 2022-05-12 | ND |
| 2022-05-12 | ND |
| 2022-05-12 | ND |
| 2023-05-10 | ND |
| 2023-05-10 | ND |
| 2023-05-10 | ND |
| 2023-05-10 | ND |