1,1-Dichloroethane
United Water Westchester Rate District 1
NOTE: United Water Westchester Rate District 1 purchases water from New York City System which is required to test for 1,1-dichloroethane. Sample information shown below was taken by New York City 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.
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 | 2 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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: United Water Westchester Rate District 1 purchases water from New York City System which is required to test for 1,1-dichloroethane. Sample information shown below was taken by New York City System.
| Date | Lab ID | Result |
|---|---|---|
| 2013-12-10 | 201312110816AM | ND |
| 2013-12-10 | 201312110609AM | ND |
| 2013-12-10 | 201312110762AM | ND |
| 2014-03-11 | 201403120478AM | ND |
| 2014-03-11 | 201403120580AM | ND |
| 2014-03-11 | 201403120608AM | ND |
| 2014-06-24 | 201406250133AM | ND |
| 2014-06-24 | 201406250381AM | ND |
| 2014-06-24 | 201406250127AM | ND |
| 2014-09-23 | 201409240402AM | ND |
| 2014-09-23 | 201409240447AM | ND |
| 2014-09-23 | 201409240450AM | ND |
| 2015-06-25 | 201505020407AM | ND |
| 2015-09-23 | 201508080112AM | ND |
| 2015-12-08 | 201511070106AM | ND |