1,1-Dichloroethylene
Seneca Water Supply Corporation
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 4 | 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 |
|---|---|---|
| 2014-09-30 | AC68564 | ND |
| 2015-07-28 | AD01269 | ND |
| 2015-07-28 | AD01267 | ND |
| 2016-03-28 | AD30745 | ND |
| 2016-03-28 | AD30733 | ND |
| 2016-06-09 | AD40036 | ND |
| 2016-09-15 | AD49734 | ND |
| 2017-08-02 | AD91845 | ND |
| 2017-08-02 | AD91843 | ND |
| 2018-02-20 | AE14471 | ND |
| 2018-02-20 | AE14469 | ND |
| 2019-08-14 | AE78666 | ND |
| 2019-08-14 | AE78670 | ND |