1,1-Dichloroethylene
Tatitlek Water System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
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 | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2014-02-05 | VO*A1402070-01A | ND |
| 2014-04-30 | VO*A1405006-01A | ND |
| 2014-09-23 | VO*A1409411-01A | ND |
| 2014-11-14 | VO*A1411200-01A | ND |
| 2015-02-09 | VO*3189813 | ND |
| 2016-02-01 | VO*1160451001 | ND |
| 2017-02-27 | VO*440-178508-1 | ND |
| 2018-10-05 | VO*4083226 | ND |
| 2019-02-20 | 4207324 | ND |