cis-1,2-Dichloroethylene
Sugarloaf Water Association
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 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): 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 |
|---|---|---|
| 2018-09-04 | 401802593 | ND |
| 2020-06-22 | 452000614C | ND |
| 2020-06-22 | 452000613C | ND |
| 2020-06-22 | 452000612C | ND |
| 2021-06-10 | 452100718 | ND |
| 2021-10-06 | 2116627-01 | ND |
| 2023-06-13 | 452301000C | ND |
| 2023-06-13 | 452300999C | ND |
| 2023-06-13 | 452300998C | ND |
| 2023-11-22 | 452302353C | ND |