1,1,2,2-Tetrachloroethane
Horseshoe Bend Water System
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
15
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 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-24 | Q1838017002 | ND |
| 2018-09-24 | Q1838017011 | ND |
| 2019-09-17 | Q1965845001 | ND |
| 2019-09-17 | Q1965845003 | ND |
| 2020-06-22 | Q2024986001 | ND |
| 2020-06-22 | Q2024986003 | ND |
| 2021-03-31 | Q2108169005 | ND |
| 2021-03-31 | Q2108169007 | ND |
| 2021-08-11 | Q2121433003 | ND |
| 2021-12-27 | Q2136238001 | ND |
| 2022-11-30 | Q2235894004 | ND |
| 2022-11-30 | Q2235894006 | ND |
| 2023-06-08 | Q2321714001 | ND |
| 2023-06-08 | Q2321714009 | ND |
| 2023-07-31 | Q2330829001 | ND |