1,1-Dichloroethylene
Swansea Water District
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 | 6 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|
2014-03-10 | ND |
2014-03-10 | ND |
2014-03-24 | ND |
2014-10-21 | ND |
2014-10-21 | ND |
2014-10-21 | ND |
2015-01-21 | ND |
2015-01-21 | ND |
2015-10-09 | ND |
2015-10-09 | ND |
2015-10-09 | ND |
2015-10-09 | ND |
2016-01-12 | ND |
2016-03-08 | ND |
2016-10-27 | ND |
2016-10-27 | ND |
2016-10-27 | ND |
2016-10-27 | ND |
2017-03-20 | ND |
2017-03-20 | ND |
2017-10-18 | ND |
2017-10-18 | ND |
2017-10-18 | ND |
2017-11-14 | ND |
2018-01-18 | ND |
2018-03-19 | ND |
2018-12-10 | ND |
2018-12-10 | ND |
2018-12-10 | ND |
2019-03-14 | ND |
2019-03-14 | ND |
2019-12-12 | ND |
2019-12-12 | ND |
2019-12-12 | ND |