cis-1,2-Dichloroethylene
Davie County Water System
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.
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 | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-19 | 7322-021918-001V | ND |
| 2018-02-19 | 7322-021918-002V | ND |
| 2020-02-17 | 7322-021720-001V | ND |
| 2020-02-17 | 7322-021720-002V | ND |
| 2020-02-17 | 7322A-021720-001V | ND |
| 2020-02-17 | 7322A-021720-002V | ND |
| 2021-02-09 | 7322-020921-001V | ND |
| 2021-02-09 | 7322-020921-002V | ND |
| 2022-02-15 | 7322-021522-001V | ND |
| 2022-02-15 | 7322-021522-002V | ND |
| 2023-02-15 | 7322-021523-001V | ND |
| 2023-02-15 | 7322-021523-002V | ND |