cis-1,2-Dichloroethylene
Nashville, Town of
NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Rocky Mount.
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.
Samples
Samples exceeding legal limit (MCL)
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 | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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
NOTE: Nashville, Town of purchases water from City of Rocky Mount which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Rocky Mount.
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-14 | 1109-18 | ND |
| 2018-07-18 | 1305-18 | ND |
| 2019-06-11 | 92432619001_12710 | ND |
| 2020-07-21 | 8146-072120-E01V | ND |
| 2020-07-21 | 8146-072120-E02V | ND |
| 2021-04-06 | 8146-040621-E01V | ND |
| 2021-04-20 | 8146-042021-E02V | ND |
| 2022-05-10 | 8146-051022-E02V | ND |
| 2022-06-20 | 8146-062022-E01V | ND |
| 2023-04-10 | 8146-041023-E02V | ND |
| 2023-06-14 | 8146-061423-E01V | ND |