1,1-Dichloroethane
Cherry Valley/ Rochdale Water District
NOTE: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Worcester Department of Public Works.
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 | 8 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
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: Cherry Valley/ Rochdale Water District purchases water from Worcester Department of Public Works which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Worcester Department of Public Works.
Date | Result |
---|---|
2014-08-28 | ND |
2014-11-20 | ND |
2015-02-19 | ND |
2015-05-27 | ND |
2015-05-28 | ND |
2015-07-27 | ND |
2016-05-24 | ND |
2016-06-22 | ND |
2016-07-04 | ND |
2017-02-21 | ND |
2017-05-10 | ND |