1,1-Dichloroethylene
Valley Utilities Water Company Glendale
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 4 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-03-01 | 201803010276V | ND |
| 2018-03-01 | 201803010277V | ND |
| 2018-03-07 | 201803070704V | ND |
| 2018-03-07 | 201803070705V | ND |
| 2021-03-03 | 202103040010V | ND |
| 2021-03-03 | 202103040011V | ND |
| 2021-03-03 | 202103040012V | ND |
| 2021-03-11 | 202103120008V | ND |
| 2021-06-10 | 21F1545-01 | ND |
| 2022-02-02 | 202202030108V | ND |
| 2022-04-27 | 202204280128V | ND |
| 2022-07-07 | 380-7658-1 | ND |
| 2022-10-05 | 380-23186-1 | ND |
| 2023-02-02 | 380-36417-3 | ND |