1,1-Dichloroethane
City of De Leon
NOTE: City of De Leon purchases water from Upper Leon River Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Upper Leon River 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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
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 De Leon purchases water from Upper Leon River Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Upper Leon River Municipal Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-24 | AC68105 | ND |
| 2015-08-05 | AD02691 | ND |
| 2016-08-03 | AD46913 | ND |
| 2017-08-24 | AD94162 | ND |
| 2018-09-12 | AE40028 | ND |
| 2019-08-07 | AE77523 | ND |