1,1-Dichloroethylene
Hamburg Municipal Water&sewer Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
15
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 | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-10-03 | 8007563-01 | ND |
| 2019-03-13 | 8017757-01 | ND |
| 2020-05-27 | 22259097.00 | ND |
| 2020-08-19 | 22841431.00 | ND |
| 2021-08-11 | 25064930.00 | ND |
| 2022-07-06 | 27080640.00 | ND |
| 2022-07-27 | 27279438.00 | ND |
| 2022-08-02 | 27279501.00 | ND |
| 2022-08-10 | 27279459.00 | ND |
| 2022-08-10 | 27279480.00 | ND |
| 2023-08-09 | 29542197.00 | ND |
| 2023-12-04 | 30283894.00 | ND |
| 2023-12-04 | 30283895.00 | ND |
| 2023-12-05 | 30283896.00 | ND |
| 2023-12-06 | 30283893.00 | ND |