1,1-Dichloroethylene
Encinal Water Supply Corporation
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-09-25 | AC68246 | ND |
| 2015-10-05 | AD09443 | ND |
| 2015-10-05 | AD09457 | ND |
| 2016-03-30 | AD31232 | ND |
| 2016-03-30 | AD31200 | ND |
| 2016-05-05 | AD35653 | ND |
| 2017-11-29 | AE06163 | ND |
| 2017-11-29 | AE06165 | ND |
| 2018-07-19 | AE33965 | ND |
| 2018-07-19 | AE33973 | ND |
| 2019-09-26 | AE84864 | ND |
| 2019-12-11 | AE92154 | ND |