1,1-Dichloroethylene
Aqua Pa Shenango Valley WTP
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 |
|---|---|---|
| 2018-08-08 | AF92268 | ND |
| 2019-05-06 | AG16708 | ND |
| 2020-09-09 | 23119896.00 | ND |
| 2021-07-14 | 24955769.00 | ND |
| 2022-03-21 | 26402374.00 | ND |
| 2023-02-22 | 28461484.00 | ND |
| 2023-02-27 | 28461505.00 | ND |
| 2023-06-07 | 29236795.00 | ND |