1,1-Dichloroethylene
Aqua Pa Forest Park
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-09-26 | AF97008 | ND |
| 2019-06-18 | AG21357 | ND |
| 2020-08-13 | 22815693.00 | ND |
| 2021-10-14 | 25421076.00 | ND |
| 2022-05-10 | 26665749.00 | ND |
| 2023-05-10 | 28918166.00 | ND |
| 2023-09-20 | 29715936.00 | ND |
| 2023-11-14 | 30086700.00 | ND |