1,1-Dichloroethylene
Plymouth Water Department
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 | N/A | 0 | 0 | N/A |
2015 | ND | 10 | 0 | ND |
2016 | ND | 10 | 0 | ND |
2017 | ND | 11 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 10 | 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 | Result |
---|---|
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-11-24 | ND |
2015-12-14 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-10-05 | ND |
2016-11-21 | ND |
2017-01-24 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2017-12-07 | ND |
2018-05-15 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-10-23 | ND |
2018-12-19 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |
2019-10-03 | ND |