1,1-Dichloroethylene
Walker Township Water Association
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2020-05-06 | 22292981.00 | ND |
| 2020-05-13 | 22293134.00 | ND |
| 2020-05-20 | 22293188.00 | ND |
| 2020-11-11 | 23428355.00 | ND |
| 2020-11-11 | 23428375.00 | ND |
| 2020-11-11 | 23428395.00 | ND |
| 2023-07-19 | 29378557.00 | ND |
| 2023-07-19 | 29378577.00 | ND |
| 2023-07-19 | 29378597.00 | ND |