1,1-Dichloroethylene
Tonto Basin Water Roosevelt Lake Estates
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 5 | 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 |
---|---|---|
2016-11-27 | 201611280162V | ND |
2019-03-06 | 201903080027V | ND |
2019-05-29 | 201905310010V | ND |
2019-05-29 | 201905310011V | ND |
2019-08-26 | 201908280028V | ND |
2019-11-17 | 201911200009V | ND |