1,1-Dichloroethylene
Mesa Grande Water Supply Corporation
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-12-03 | Q1458233004 | ND |
2014-12-03 | Q1458233006 | ND |
2015-10-22 | Q1541808003 | ND |
2015-10-22 | Q1541808001 | ND |
2016-11-14 | Q1649175001 | ND |
2016-11-14 | Q1649175003 | ND |
2017-12-14 | Q1766132002 | ND |
2017-12-14 | Q1766132003 | ND |
2018-10-01 | Q1838902010 | ND |
2018-10-01 | Q1838902008 | ND |
2019-09-23 | Q1967401003 | ND |
2019-09-23 | Q1967401005 | ND |