1,1-Dichloroethylene
Manchester Water Works
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-02-17 | 1402-00336-001 | ND |
2014-05-14 | 1405-00442-001 | ND |
2014-08-04 | 1408-00056-001 | ND |
2015-08-17 | 1508-01335-002 | ND |
2016-08-11 | 1608-01474-001 | ND |
2017-08-16 | 1708-02233-001 | ND |
2018-09-10 | 1810-02544-001 | ND |
2019-08-13 | 1908-01819-001 | ND |