1,1-Dichloroethylene
North Texas Municipal Water District - Bonham Water Treatment Plant
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
6
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2012 | ND | 1 | 0 | ND |
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | 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 |
|---|---|---|
| 2012-08-21 | 1208A51002 | ND |
| 2013-09-09 | Q1306727002 | ND |
| 2014-07-09 | Q1427045001 | ND |
| 2015-09-02 | Q1533998002 | ND |
| 2016-07-27 | Q1630662002 | ND |
| 2017-08-07 | Q1732975002 | ND |