1,1-Dichloroethane
Zapata County Waterworks SWTP
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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
Date | Lab ID | Result |
---|---|---|
2014-08-19 | AC64290 | ND |
2014-12-10 | Q1459444001 | ND |
2015-03-10 | Q1508578001 | ND |
2015-06-08 | Q1520694001 | ND |
2015-09-16 | Q1535939001 | ND |
2015-09-17 | AD07581 | ND |
2016-07-20 | AD44991 | ND |
2017-09-07 | AD95182 | ND |
2018-07-18 | AE33800 | ND |
2019-08-21 | AE79902 | ND |