1,1-Dichloroethylene
Waterloo Water Works
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
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 |
|---|---|---|---|---|
| 2012 | ND | 9 | 0 | ND |
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2012-10-23 | 1942198 | ND |
| 2012-10-23 | 1942206 | ND |
| 2012-10-23 | 1942205 | ND |
| 2012-10-23 | 1942204 | ND |
| 2012-10-23 | 1942203 | ND |
| 2012-10-23 | 1942202 | ND |
| 2012-10-23 | 1942201 | ND |
| 2012-10-23 | 1942200 | ND |
| 2012-10-23 | 1942199 | ND |
| 2015-10-13 | 1J51068-01 | ND |