1,1-Dichloroethylene
Red Oak Ranch Water System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 3 | 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 |
|---|---|---|
| 2014-06-26 | AC58243 | ND |
| 2014-06-26 | AC58225 | ND |
| 2015-03-18 | AC85027 | ND |
| 2015-03-18 | AC85021 | ND |
| 2015-04-22 | AC89222 | ND |
| 2016-06-02 | AD39197 | ND |
| 2016-06-02 | AD39191 | ND |
| 2017-07-31 | AD91375 | ND |
| 2017-07-31 | AD91389 | ND |
| 2018-07-25 | AE34524 | ND |
| 2018-07-25 | AE34520 | ND |
| 2019-08-15 | AE78950 | ND |
| 2019-08-15 | AE78962 | ND |