1,1-Dichloroethylene
Kwethluk New Piped 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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2015-06-08 | VO*1152753001 | ND |
| 2015-09-02 | VO*1155108001 | ND |
| 2016-03-08 | VO*280-80698-1 | ND |
| 2016-05-04 | VO*1162217001 | ND |
| 2017-01-31 | VO*440-175426-1 | ND |
| 2018-01-09 | VO*3853105 | ND |
| 2019-03-28 | 440-237723-1 | ND |
| 2019-06-24 | 440-244908-1 | ND |
| 2019-12-03 | 440-256941-3 | ND |