1,1-Dichloroethane
Water District 1 of Johnson County
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
23
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 |
|---|---|---|---|---|
| 2013 | 0.00600 ppb | 6 | 1 | ND - 0.0360 ppb |
| 2014 | 0.00513 ppb | 8 | 1 | ND - 0.0410 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2013-07-29 | 201307300096AM | ND |
| 2013-07-29 | 201307300094AM | ND |
| 2013-07-29 | 201307300098AM | ND |
| 2013-10-21 | 201310220207AM | ND |
| 2013-10-21 | 201310220203AM | ND |
| 2013-10-21 | 201310220205AM | 0.0360 ppb |
| 2014-01-13 | 201401140255AM | ND |
| 2014-01-13 | 201401140253AM | 0.0410 ppb |
| 2014-04-08 | 201404090431AM | ND |
| 2014-04-08 | 201404090433AM | ND |
| 2014-05-07 | MAY2014-OC-TP3 | ND |
| 2014-05-07 | MAY2014-OC-TP2 | ND |
| 2014-05-07 | MAY2014-OC-TP1 | ND |
| 2014-05-21 | 201405220480AM | ND |
| 2016-05-17 | MAY2016--TP3 | ND |
| 2016-05-17 | MAY2016--TP2 | ND |
| 2016-06-20 | JUN2016--TP1 | ND |
| 2017-05-16 | MAY2017--TP3 | ND |
| 2017-05-16 | MAY2017--TP2 | ND |
| 2017-05-17 | MAY2018--TP1 524 | ND |
| 2017-07-12 | JUL2017--TP1 524 | ND |
| 2018-05-01 | MAY2018--TP2 VOC | ND |
| 2018-05-01 | MAY2018-TP3-VOC | ND |