1,1-Dichloroethylene
Cass County Sanitary and Improvement District #7 - Swallow Hills
NOTE: Cass County Sanitary and Improvement District #7 - Swallow Hills purchases water from Plattsmouth, City of which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Plattsmouth, City of.
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
NOTE: Cass County Sanitary and Improvement District #7 - Swallow Hills purchases water from Plattsmouth, City of which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Plattsmouth, City of.
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-21 | 279104 | ND |
| 2015-07-27 | 375454 | ND |
| 2015-07-27 | 375455 | ND |
| 2016-07-18 | ND | |
| 2016-07-18 | ND | |
| 2017-01-23 | ND | |
| 2017-07-24 | ND | |
| 2018-07-23 | 563131 | ND |
| 2018-07-23 | 563132 | ND |
| 2019-07-29 | 623641 | ND |
| 2019-07-29 | 623642 | ND |