1,1,2,2-Tetrachloroethane
Lake Windcrest 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.
18
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-06-26 | AC58221 | ND |
| 2015-04-22 | AC89248 | ND |
| 2015-04-22 | AC89250 | ND |
| 2015-04-22 | AC89252 | ND |
| 2015-09-28 | AD08762 | ND |
| 2015-11-02 | AD12226 | ND |
| 2016-07-06 | AD43189 | ND |
| 2016-07-06 | AD43187 | ND |
| 2016-07-06 | AD43185 | ND |
| 2017-07-27 | AD91118 | ND |
| 2017-10-05 | AD99585 | ND |
| 2017-10-05 | AD99583 | ND |
| 2018-07-25 | AE34522 | ND |
| 2018-07-25 | AE34526 | ND |
| 2018-07-25 | AE34528 | ND |
| 2019-11-07 | AE88943 | ND |
| 2019-11-07 | AE88903 | ND |
| 2019-11-07 | AE88905 | ND |