1,1-Dichloroethylene
Yorkville Village Public Water System
NOTE: Yorkville Village Public Water System purchases water from Tiltonsville Public Water System which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Tiltonsville Public Water System.
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 | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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: Yorkville Village Public Water System purchases water from Tiltonsville Public Water System which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Tiltonsville Public Water System.
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-14 | A180593394 | ND |
| 2021-04-22 | 1D02730-01 | ND |