cis-1,2-Dichloroethylene
Harbour Point S/d
NOTE: Harbour Point S/d purchases water from Town of Mooresville which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Town of Mooresville.
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 | 6 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 2 | 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
NOTE: Harbour Point S/d purchases water from Town of Mooresville which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Town of Mooresville.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-11 | 53283-01 | ND |
| 2018-07-11 | 53284-04 | ND |
| 2019-07-10 | 69273-03 | ND |
| 2019-07-10 | 69274-03 | ND |
| 2020-07-08 | 84398-05 | ND |
| 2020-07-08 | 84399-04 | ND |
| 2021-07-13 | 1815-21 | ND |
| 2021-07-13 | 1816-21 | ND |
| 2022-07-13 | 1883-22 | ND |
| 2022-07-13 | 1888-22 | ND |
| 2023-07-12 | 2170-23 | ND |
| 2023-07-12 | 2174-23 | ND |