1,1-Dichloroethylene
United Water Pennsylvania
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-12 | 2295329001 | ND |
| 2018-02-12 | 2295329002 | ND |
| 2019-01-14 | H9A0679-01 | ND |
| 2019-01-14 | H9A0679-02 | ND |
| 2020-02-10 | 21793996.00 | ND |
| 2020-02-10 | 21793987.00 | ND |
| 2021-01-06 | 23839652.00 | ND |
| 2021-01-06 | 23839617.00 | ND |
| 2022-02-09 | 26240998.00 | ND |
| 2022-09-14 | 27589626.00 | ND |
| 2023-02-09 | 28473471.00 | ND |
| 2023-09-06 | 29836429.00 | ND |