1,1-Dichloroethylene
Mountain Home Waterworks
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-03-11 | 14072006502 | ND |
2015-02-24 | 15057000309 | ND |
2016-01-26 | 16029002302 | ND |
2017-01-23 | 17026000501 | ND |
2017-04-04 | 17095001102 | ND |
2017-07-04 | 17187008501 | ND |
2017-10-03 | 17278012701 | ND |
2018-01-09 | 18010003109 | ND |
2018-04-03 | 18094001809 | ND |
2018-07-02 | 18186010201 | ND |
2019-01-09 | 19010011302 | ND |