1,1-Dichloroethylene
Belen Water System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-04 | 2014018362 | ND |
| 2014-06-04 | 2014018357 | ND |
| 2014-06-04 | 2014018358 | ND |
| 2014-06-04 | 2014018359 | ND |
| 2014-09-10 | 2014029130 | ND |
| 2017-02-16 | 2017004591 | ND |
| 2017-02-16 | 2017004592 | ND |
| 2017-02-16 | 2017004589 | ND |
| 2017-02-16 | 2017004590 | ND |
| 2017-04-27 | 2017012285 | ND |
| 2019-05-14 | 2019013163 | ND |