1,1-Dichloroethylene
Havelock Water System
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 | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2014-09-08 | 8330-090814-E02V | ND |
2017-09-13 | 8330-091317-E02V | ND |
2017-12-12 | 8330-121217-E02V | ND |
2018-02-15 | 8330-021518-E02V | ND |
2018-06-12 | 8330-061218-E02V | ND |
2018-08-20 | 8330-082018-E02V | ND |
2018-11-27 | 8330-112718-E02V | ND |
2019-07-22 | 8330-072219-E02V | ND |