1,1-Dichloroethylene
Riverwalk Subdivision
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
15
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2015-06-11 | AC95636 | ND |
| 2015-06-11 | AC95634 | ND |
| 2016-12-13 | AD61904 | ND |
| 2016-12-13 | AD61918 | ND |
| 2017-06-07 | AD86775 | ND |
| 2017-08-09 | AD92556 | ND |
| 2017-10-11 | AE00406 | ND |
| 2017-10-11 | AE00400 | ND |
| 2017-10-11 | AE00398 | ND |
| 2018-01-22 | AE09581 | ND |
| 2018-01-22 | AE09589 | ND |
| 2018-01-22 | AE09591 | ND |
| 2019-11-25 | AE90394 | ND |
| 2019-11-25 | AE90408 | ND |
| 2019-11-25 | AE90392 | ND |