1,1-Dichloroethane
City of Parker
NOTE: City of Parker purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for 1,1-dichloroethane. Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 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 | 3 | 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: City of Parker purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for 1,1-dichloroethane. Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-17 | Q1836833014 | ND |
| 2018-09-17 | Q1836833016 | ND |
| 2018-09-17 | Q1836833012 | ND |
| 2019-01-15 | Q1902044002 | ND |
| 2019-08-02 | Q1950721001 | ND |
| 2019-08-02 | Q1950721003 | ND |
| 2020-05-19 | Q2020083001 | ND |
| 2020-09-10 | Q2036102001 | ND |
| 2020-09-10 | Q2036102003 | ND |
| 2021-01-28 | Q2102310004 | ND |
| 2021-09-23 | Q2126118004 | ND |
| 2021-09-23 | Q2126118006 | ND |
| 2022-03-22 | Q2209138012 | ND |
| 2022-09-15 | Q2227685002 | ND |
| 2022-09-15 | Q2227685004 | ND |
| 2023-02-22 | Q2307413004 | ND |
| 2023-08-22 | Q2335430005 | ND |
| 2023-08-22 | Q2335430007 | ND |