1,1-Dichloroethylene
Mars Borough Water Works
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2018-07-17 | 18G1584-01 | ND |
| 2019-08-16 | 19H2178-01 | ND |
| 2020-11-13 | 23454849.00 | ND |
| 2021-12-06 | 25861429.00 | ND |
| 2021-12-06 | 25861450.00 | ND |
| 2021-12-07 | 25861471.00 | ND |
| 2022-05-13 | 26754587.00 | ND |
| 2022-08-04 | 27346606.00 | ND |
| 2022-08-04 | 27346627.00 | ND |
| 2023-05-09 | 29011444.00 | ND |
| 2023-06-05 | 29214297.00 | ND |
| 2023-09-06 | 29801314.00 | ND |