1,1-Dichloroethylene
San Gabriel Valley Water Company-Montebello
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
0
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 | 0.0879 ppb | 390 | 14 | ND - 4.10 ppb |
| 2015 | ND | 404 | 0 | ND |
| 2016 | ND | 568 | 0 | ND |
| 2017 | ND | 556 | 0 | ND |
| 2018 | ND | 612 | 0 | ND |
| 2019 | ND | 574 | 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 |
|---|