1,1-Dichloroethylene
Sistersville Municipal Water
NOTE: Sistersville Municipal Water purchases water from Tyler County Psd which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Tyler County Psd.
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Samples
Samples exceeding legal limit (MCL)
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 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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
NOTE: Sistersville Municipal Water purchases water from Tyler County Psd which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Tyler County Psd.
| Date | Lab ID | Result |
|---|---|---|
| 2019-02-21 | 19023310-01A | ND |
| 2022-11-02 | 2113201-01 | ND |
| 2023-05-10 | 3054036-01 | ND |