1,1-Dichloroethane
Galveston County Water Control and Improvement District 8
NOTE: Galveston County Water Control and Improvement District 8 purchases water from Gulf Coast Water Authority Tx City which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane 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
NOTE: Galveston County Water Control and Improvement District 8 purchases water from Gulf Coast Water Authority Tx City which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Gulf Coast Water Authority Tx City.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-11 | AE32989 | ND |
| 2019-07-29 | AE76192 | ND |
| 2020-07-15 | AF19499 | ND |
| 2021-07-16 | AF62454 | ND |
| 2022-07-22 | AG06107 | ND |
| 2023-07-13 | AG48515 | ND |