cis-1,2-Dichloroethylene
Aqua Pa Roaring Creek Division
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
10
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 | 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): 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-12-17 | AG04418 | ND |
| 2019-05-07 | AG16925 | ND |
| 2020-06-17 | 22503509.00 | ND |
| 2020-09-15 | 23081593.00 | ND |
| 2021-08-18 | 25111234.00 | ND |
| 2022-04-13 | 26547665.00 | ND |
| 2023-05-10 | 28994766.00 | ND |
| 2023-05-10 | 28994725.00 | ND |
| 2023-07-18 | 29390466.00 | ND |
| 2023-11-15 | 30151729.00 | ND |