1,1-Dichloroethylene
Jug Mountain Ranch Subdivision
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2016-10-18 | V1648027 | ND |
| 2017-10-24 | V1749857 | ND |
| 2018-03-27 | V1813227 | ND |
| 2018-04-20 | V18/17532 | ND |
| 2018-07-15 | V1833371 | ND |
| 2018-10-07 | V1849957 | ND |
| 2019-01-20 | V1902935 | ND |
| 2019-04-10 | V1916137 | ND |
| 2019-07-21 | V1935523 | ND |
| 2019-10-15 | V1952206 | ND |