1,1-Dichloroethylene
Shippensburg Boro Water Authority
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 | 4 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-04-03 | (104) GUNTER | ND |
| 2019-04-10 | (104) GUNTER | ND |
| 2020-04-15 | 22158708.00 | ND |
| 2020-06-10 | 22552480.00 | ND |
| 2020-06-10 | 22552482.00 | ND |
| 2020-06-10 | 22552481.00 | ND |
| 2021-04-20 | 24380466.00 | ND |
| 2022-04-13 | 26594481.00 | ND |
| 2023-04-13 | 28845256.00 | ND |
| 2023-05-16 | 29045753.00 | ND |
| 2023-05-18 | 29045774.00 | ND |
| 2023-08-15 | 29644110.00 | ND |