1,1-Dichloroethylene
Quinlan South Subdivision
NOTE: Quinlan South Subdivision purchases water from Cash SUD which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Cash SUD.
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 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): 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: Quinlan South Subdivision purchases water from Cash SUD which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Cash SUD.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-25 | Q1829489006 | ND |
| 2019-07-22 | Q1946488007 | ND |
| 2020-07-21 | Q2028841001 | ND |
| 2021-07-13 | Q2118249002 | ND |
| 2022-07-26 | Q2221173011 | ND |
| 2023-08-11 | Q2333709001 | ND |