1,1-Dichloroethylene
Arizona Water Company - Sierra Vista
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 | ND | 2 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 7 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-02-09 | 201502110433V | ND |
2015-04-07 | 201504080112V | ND |
2016-04-04 | 201604050478V | ND |
2016-04-04 | 201604050479V | ND |
2016-04-04 | 201604050480V | ND |
2016-04-04 | 201604050482V | ND |
2016-04-04 | 201604050483V | ND |
2016-04-04 | 201604050484V | ND |
2018-01-23 | 201801240104V | ND |
2018-01-23 | 201801240105V | ND |
2018-01-23 | 201801240106V | ND |
2018-01-23 | 201801240107V | ND |
2018-01-23 | 201801240108V | ND |
2018-01-23 | 201801240109V | ND |
2018-01-23 | 201801240110V | ND |