1,1-Dichloroethylene
Harbour Point S/d
NOTE: Harbour Point S/d purchases water from Town of Mooresville which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Town of Mooresville.
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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): 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals 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 1,1-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 |