1,1-Dichloroethylene
Clarence Cannon Wholesale Water Commission
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-11-12 | AC38857 | ND |
2015-12-18 | AC64703 | ND |
2016-11-08 | AC87440 | ND |
2017-11-08 | AD10095 | ND |
2017-12-11 | AD11018 | ND |
2018-11-05 | AD36259 | ND |
2019-01-31 | AD39215 | ND |
2019-04-09 | AD46647 | ND |
2019-07-11 | AD52705 | ND |
2019-10-21 | AD57363 | ND |