1,1-Dichloroethylene
Bcwsa New Hope
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-05-10 | 8043140-02 | ND |
| 2018-05-10 | 8043140-03 | ND |
| 2019-03-27 | 9002935-01 | ND |
| 2019-03-27 | 9002936-01 | ND |
| 2020-03-09 | 21833912.00 | ND |
| 2020-03-09 | 21833936.00 | ND |
| 2020-11-17 | 23350016.00 | ND |
| 2021-03-08 | 24046651.00 | ND |
| 2021-03-08 | 24046600.00 | ND |
| 2022-03-14 | 26275784.00 | ND |
| 2022-03-18 | 26275611.00 | ND |
| 2023-03-13 | 28688358.00 | ND |
| 2023-05-08 | 28885891.00 | ND |
| 2023-07-28 | 29289283.00 | ND |