cis-1,2-Dichloroethylene
Aquarion Water Company of Connecticut - Valley System
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 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
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-06 | 201401781-VOC1 | ND |
2014-02-06 | 201401783-VOC1 | ND |
2014-02-06 | 201401778-VOC1 | ND |
2015-02-05 | 201501690-VOC1 | ND |
2015-02-05 | 201501687-VOC1 | ND |
2015-10-21 | 201515272-VOC1 | ND |
2016-02-03 | 201601668-VOC1 | ND |
2016-02-03 | 201601672-VOC1 | ND |
2016-02-03 | 201601674-VOC1 | ND |
2017-02-08 | 201702259-VOC1 | ND |
2017-02-08 | 201702257-VOC1 | ND |
2017-06-22 | 201709340-VOC1 | ND |
2018-02-06 | 201801688-VOC1 | ND |
2018-04-30 | 201805765-VOC1 | ND |
2019-02-05 | 201901652-VOC1 | ND |
2019-02-05 | 201901650-VOC1 | ND |
2019-12-16 | 201920349-VOC1 | ND |