1,1-Dichloroethane
City of Watauga
NOTE: City of Watauga purchases water from City of North Richland Hills which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of North Richland Hills.
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 Watauga purchases water from City of North Richland Hills which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of North Richland Hills.
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-27 | 201401290359AM | ND |
| 2014-01-27 | 201401280234AM | ND |
| 2014-01-27 | 201401280219AM | ND |
| 2014-01-28 | 201401290357AM | ND |
| 2014-04-21 | 201404230326AM | ND |
| 2014-04-21 | 201404220280AM | ND |
| 2014-04-21 | 201404220347AM | ND |
| 2014-04-21 | 201404220208AM | ND |
| 2014-07-14 | 201407160553AM | ND |
| 2014-07-14 | 201407160574AM | ND |
| 2014-07-15 | 201407160682AM | ND |
| 2014-07-28 | 201407290114AM | ND |
| 2014-10-06 | 201410070299AM | ND |
| 2014-10-06 | 201410070301AM | ND |
| 2014-10-06 | 201410070307AM | ND |
| 2014-10-07 | 201410080324AM | ND |