1,1-Dichloroethylene
Pennsylvania American Water Company Warren
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2019-08-26 | 46272601 | ND |
| 2020-05-06 | 22347247.00 | ND |
| 2020-05-13 | 22347268.00 | ND |
| 2020-07-08 | 22736929.00 | ND |
| 2020-07-15 | 22736908.00 | ND |
| 2023-04-03 | 28837816.00 | ND |
| 2023-04-11 | 28837835.00 | ND |
| 2023-06-06 | 29240235.00 | ND |
| 2023-06-13 | 29240256.00 | ND |