1,1-Dichloroethylene
Orem City Water System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 6 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 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
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 | Result |
|---|---|
| 2014-02-10 | ND |
| 2014-02-10 | ND |
| 2014-05-13 | ND |
| 2014-05-27 | ND |
| 2014-05-27 | ND |
| 2014-07-29 | ND |
| 2015-03-31 | ND |
| 2015-04-01 | ND |
| 2016-06-15 | ND |
| 2017-03-27 | ND |
| 2017-03-27 | ND |
| 2017-03-27 | ND |
| 2017-05-02 | ND |
| 2017-05-03 | ND |