1,1-Dichloroethylene
Emerald Lake
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
20
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 | 5 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2014-07-16 | 133667.02 | ND |
| 2014-10-15 | 136900.03 | ND |
| 2014-10-15 | 136900.05 | ND |
| 2014-10-15 | 136900.02 | ND |
| 2014-10-15 | 136900.01 | ND |
| 2015-10-19 | 149265.01 | ND |
| 2015-10-19 | 149265.02 | ND |
| 2015-10-19 | 149265.03 | ND |
| 2016-12-13 | 163860.03 | ND |
| 2016-12-13 | 163860.02 | ND |
| 2016-12-13 | 163860.01 | ND |
| 2017-02-21 | 165820.01 | ND |
| 2017-10-02 | 174061.01 | ND |
| 2017-10-02 | 174061.02 | ND |
| 2018-10-15 | 187909.01 | ND |
| 2018-10-15 | 187909.02 | ND |
| 2018-10-15 | 187909.03 | ND |
| 2019-10-11 | 201688.01 | ND |
| 2019-10-11 | 201688.02 | ND |
| 2019-10-11 | 201688.03 | ND |