1,1-Dichloroethylene
Oakley Valley Water Corporation
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-09-12 | V1433001 | ND |
| 2016-09-14 | V1626771 | ND |
| 2016-09-14 | V1626751 | ND |
| 2018-02-16 | V1769841 | ND |
| 2018-05-15 | V1793051 | ND |
| 2018-09-24 | V1825901 | ND |
| 2018-12-19 | V1847661 | ND |
| 2019-07-09 | V1906531 | ND |
| 2019-09-19 | V1929821 | ND |