1,1-Dichloroethylene
Halfway Water Supply Corporation
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 | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-02-04 | Q1403564001 | ND |
2014-06-26 | Q1424208002 | ND |
2014-09-03 | Q1441295002 | ND |
2015-04-23 | Q1515199002 | ND |
2016-03-17 | AD29325 | ND |
2016-09-08 | Q1636368001 | ND |
2016-09-08 | Q1636368003 | ND |
2017-11-14 | Q1758338002 | ND |
2017-11-14 | Q1758338008 | ND |
2018-05-17 | Q1820244002 | ND |
2018-05-17 | Q1820244004 | ND |
2019-04-11 | Q1914703002 | ND |
2019-04-11 | Q1914703004 | ND |