1,1-Dichloroethylene
Gold Country Estates
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-06-07 | A8F1051-01 | ND |
| 2018-06-07 | A8F1051-02 | ND |
| 2019-09-10 | 19090509-01 | ND |
| 2019-12-23 | A9L2844-01 | ND |
| 2021-09-08 | 21090340-01 | ND |
| 2021-09-08 | 21090340-02 | ND |
| 2022-12-12 | 22120578-01A | ND |
| 2023-08-23 | AGH3709-01 | ND |