1,1-Dichloroethane
East Lyme Water & Sewer Commission
NOTE: East Lyme Water & Sewer Commission purchases water from New London Department of Public Utilities which is required to test for 1,1-dichloroethane. Sample information shown below was taken by New London Department of Public Utilities.
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 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 7 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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: East Lyme Water & Sewer Commission purchases water from New London Department of Public Utilities which is required to test for 1,1-dichloroethane. Sample information shown below was taken by New London Department of Public Utilities.
| Date | Lab ID | Result |
|---|---|---|
| 2013-09-17 | 201309180529AM | ND |
| 2013-12-16 | 201312170300AM | ND |
| 2014-03-17 | 201403180211AM | ND |
| 2014-06-17 | 201406180539AM | ND |
| 2018-11-29 | 28423VOC1 | ND |
| 2019-11-20 | 30476VOC1 | ND |
| 2020-12-01 | 32749VOC1 | ND |
| 2021-10-27 | 34804VOC1 | ND |
| 2022-09-15 | 36585VOC1 | ND |
| 2023-09-14 | 38755VOC1 | ND |