1,1-Dichloroethylene
Aqua Pa Roaring Creek Division
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
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 | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-12-17 | AG04418 | ND |
| 2019-05-07 | AG16925 | ND |
| 2020-06-17 | 22503515.00 | ND |
| 2020-09-15 | 23081599.00 | ND |
| 2021-08-18 | 25111240.00 | ND |
| 2022-04-13 | 26547671.00 | ND |
| 2023-05-10 | 28994760.00 | ND |
| 2023-05-10 | 28994755.00 | ND |
| 2023-07-18 | 29390472.00 | ND |
| 2023-11-15 | 30151735.00 | ND |