1,1-Dichloroethylene
Jim Hogg County Water Control and Improvement District 2
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-06-12 | AC56698 | ND |
2015-03-17 | AC84707 | ND |
2016-02-18 | AD24333 | ND |
2017-02-23 | AD71751 | ND |
2017-06-06 | AD86663 | ND |
2017-06-06 | AD86661 | ND |
2017-09-06 | AD94943 | ND |
2017-12-06 | AE06992 | ND |
2018-03-08 | AE17537 | ND |
2018-03-08 | AE17543 | ND |
2019-03-05 | AE57134 | ND |
2019-03-05 | AE57140 | ND |
2019-03-05 | AE57152 | ND |