1,1-Dichloroethylene
Northfield
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 | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-10-22 | 18J1084-01 | ND |
| 2019-01-18 | 19A0676-03 | ND |
| 2019-06-20 | 19F1478-03 | ND |
| 2019-07-25 | 19G1899-01 | ND |
| 2020-02-12 | 20B0724-01 | ND |
| 2020-10-27 | 20J1404-01 | ND |
| 2020-10-27 | 20J1405-02 | ND |
| 2020-10-27 | 20J1405-03 | ND |
| 2020-10-27 | 20J1405-04 | ND |
| 2021-02-25 | 21B1436-01 | ND |
| 2023-05-09 | 23E0759-01 | ND |
| 2023-05-09 | 23E0759-02 | ND |
| 2023-05-09 | 23E0759-03 | ND |
| 2023-05-09 | 23E0759-04 | ND |