1,1-Dichloroethylene
Pennsylvania American Water Company - Mechanicsburg
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 |
|---|---|---|
| 2018-01-03 | 38153501 | ND |
| 2018-01-03 | 38153701 | ND |
| 2019-01-07 | 42491101 | ND |
| 2019-01-07 | 42491201 | ND |
| 2020-01-13 | 21618055.00 | ND |
| 2020-01-13 | 21618076.00 | ND |
| 2021-01-05 | 23836404.00 | ND |
| 2021-01-05 | 23836425.00 | ND |
| 2022-01-20 | 26067518.00 | ND |
| 2022-01-20 | 26067539.00 | ND |
| 2023-01-11 | 28297564.00 | ND |
| 2023-01-11 | 28297587.00 | ND |