1,1-Dichloroethane
City of Hallsville
NOTE: City of Hallsville purchases water from City of Longview which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of Longview.
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 |
|---|---|---|---|---|
| 2014 | ND | 12 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 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 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: City of Hallsville purchases water from City of Longview which is required to test for 1,1-dichloroethane. Sample information shown below was taken by City of Longview.
| Date | Lab ID | Result |
|---|---|---|
| 2013-10-08 | 751344-10003 | ND |
| 2013-10-08 | 751269-10003 | ND |
| 2013-10-08 | 751236-10003 | ND |
| 2014-01-08 | 765712-10539 | ND |
| 2014-01-08 | 765702-10539 | ND |
| 2014-01-08 | 765728-10539 | ND |
| 2014-04-09 | 779383-11137 | ND |
| 2014-04-09 | 779379-11137 | ND |
| 2014-04-09 | 779381-11137 | ND |
| 2014-07-09 | 802194-11760 | ND |
| 2014-07-09 | 802190-11760 | ND |
| 2014-07-09 | 802192-11760 | ND |
| 2014-08-01 | Q1433243009 | ND |
| 2014-08-01 | Q1433243014 | ND |
| 2014-08-01 | Q1433243011 | ND |
| 2015-09-18 | Q1536731004 | ND |
| 2015-09-18 | Q1536731006 | ND |
| 2015-09-18 | Q1536731002 | ND |
| 2016-09-02 | Q1635387006 | ND |
| 2016-09-02 | Q1635387004 | ND |
| 2016-09-02 | Q1635387001 | ND |
| 2017-08-18 | Q1737139010 | ND |
| 2017-08-18 | Q1737139007 | ND |
| 2017-08-18 | Q1737139002 | ND |
| 2018-08-21 | Q1833337013 | ND |
| 2018-08-21 | Q1833337003 | ND |
| 2018-08-21 | Q1833337012 | ND |
| 2019-08-08 | Q1952474001 | ND |
| 2019-08-08 | Q1952474005 | ND |
| 2019-08-08 | Q1952474003 | ND |