1,1-Dichloroethane
Sioux City Water Supply
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
12
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 | 0.368 ppb | 5 | 4 | ND - 0.500 ppb |
| 2015 | 0.175 ppb | 7 | 4 | ND - 0.500 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-02-10 | 2034449 | 0.500 ppb |
| 2014-02-10 | 2034451 | 0.500 ppb |
| 2014-02-10 | 2034455 | 0.500 ppb |
| 2014-12-02 | 204602 | 0.338 ppb |
| 2014-12-22 | 207515 | ND |
| 2015-02-24 | OE215607 | 0.500 ppb |
| 2015-03-30 | 225695 | ND |
| 2015-03-30 | 225694 | 0.464 ppb |
| 2015-06-01 | 249354 | ND |
| 2015-06-01 | 249355 | 0.203 ppb |
| 2015-09-29 | 299759 | ND |
| 2015-09-29 | 299756 | 0.0603 ppb |