1,1-Dichloroethylene
Bluebonnet Water Supply Corporation
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 4 | 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 |
|---|---|---|
| 2014-07-29 | AC61244 | ND |
| 2015-09-01 | AD05212 | ND |
| 2016-03-15 | AD28848 | ND |
| 2016-05-18 | AD37312 | ND |
| 2016-09-09 | AD48642 | ND |
| 2016-11-09 | AD57452 | ND |
| 2017-10-10 | AE00149 | ND |
| 2018-05-10 | AE25953 | ND |
| 2019-05-22 | AE67683 | ND |