1,1-Dichloroethylene
Willowtree Estates Homeowner Association
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 | 2 | 0 | ND |
2015 | ND | 2 | 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 |
---|---|---|
2014-07-22 | V1427886 | ND |
2014-10-16 | 1441224 | ND |
2015-02-18 | V1506369 | ND |
2015-04-22 | V1414112 | ND |
2016-09-12 | V1641510 | ND |
2017-05-01 | V1717755 | ND |
2018-02-12 | V1806176 | ND |
2019-03-13 | V1911207 | ND |