1,1-Dichloroethylene
Aquarion Water Company of Connecticut - Greenwich System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
Samples
0
Samples exceeding legal limit (MCL)
0
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-01 | 201404200-VOC1 | ND |
| 2014-04-01 | 201404209-VOC1 | ND |
| 2015-04-07 | 201504250-VOC1 | ND |
| 2015-04-07 | 201504259-VOC1 | ND |
| 2016-06-07 | 201607107-VOC1 | ND |
| 2016-06-07 | 201607117-VOC1 | ND |
| 2017-04-03 | 201704556-VOC1 | ND |
| 2017-04-03 | 201704567-VOC1 | ND |
| 2018-04-02 | 201803873-VOC1 | ND |
| 2019-04-01 | 201904114-VOC1 | ND |
| 2019-04-01 | 201904109-VOC1 | ND |