1,1-Dichloroethane
St John's Water
NOTE: St John's Water purchases water from Charleston Water System which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Charleston Water System.
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 |
---|---|---|---|---|
2013 | ND | 4 | 0 | ND |
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: St John's Water purchases water from Charleston Water System which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Charleston Water System.
Date | Lab ID | Result |
---|---|---|
2013-07-08 | 201307100944AM | ND |
2013-10-07 | 201310090265AM | ND |
2014-01-06 | 201401080417AM | ND |
2014-04-07 | 201404090543AM | ND |
2014-05-01 | AD39156 | ND |
2015-05-14 | AD55503 | ND |
2016-04-05 | AD73677 | ND |
2017-07-13 | AD97248 | ND |
2018-07-02 | AE14410 | ND |
2019-09-18 | AE37433 | ND |