1,1-Dichloroethylene
Lake Medina Shores
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | 2 | 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 |
|---|---|---|
| 2014-05-13 | AC53971 | ND |
| 2015-03-12 | AC84149 | ND |
| 2015-03-12 | AC84147 | ND |
| 2016-06-16 | AD41005 | ND |
| 2016-06-16 | AD41023 | ND |
| 2017-03-28 | AD77118 | ND |
| 2017-03-28 | AD77134 | ND |
| 2018-08-02 | AE35590 | ND |
| 2018-08-02 | AE35588 | ND |
| 2019-10-31 | AE88176 | ND |
| 2019-10-31 | AE88172 | ND |