1,1-Dichloroethane
City of Rockport
NOTE: City of Rockport purchases water from San Patricio Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by San Patricio 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 3 | 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 Rockport purchases water from San Patricio Municipal Water District which is required to test for 1,1-dichloroethane. Sample information shown below was taken by San Patricio Municipal Water District.
Date | Lab ID | Result |
---|---|---|
2014-09-16 | AC67104 | ND |
2015-09-10 | AD06600 | ND |
2016-07-20 | AD45239 | ND |
2017-09-13 | AD96017 | ND |
2018-08-23 | AE38453 | ND |
2019-08-06 | AE77289 | ND |