1,1-Dichloroethylene
Cedar Rapids Water Department
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-08 | 2085398 | ND |
| 2014-10-08 | 2085401 | ND |
| 2015-10-06 | OE302401 | ND |
| 2015-10-06 | OE302405 | ND |
| 2016-10-17 | OE441633 | ND |
| 2016-10-17 | OE441634 | ND |
| 2017-11-20 | OE592397 | ND |
| 2017-11-20 | OE592396 | ND |
| 2018-11-06 | OE736260 | ND |
| 2018-11-06 | OE736261 | ND |
| 2019-11-19 | OE895628 | ND |
| 2019-11-19 | OE895629 | ND |