1,1-Dichloroethylene
Columbiana 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 4 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-10-29 | 1410-00377-2 | ND |
2014-10-29 | 1410-00377-5 | ND |
2014-10-29 | 1410-00377-8 | ND |
2014-10-29 | 1410-00377-4 | ND |
2016-04-25 | 1604-00388-001 | ND |
2017-04-24 | 1704-00370-8 | ND |
2017-04-24 | 1704-00370-9 | ND |
2017-04-24 | 1704-00370-7 | ND |
2017-04-24 | 1704-00370-6 | ND |
2019-04-22 | 1904-00339-001 | ND |