1,1-Dichloroethylene
Seth Ward 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 | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 5 | 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 |
---|---|---|
2014-07-17 | Q1428950003 | ND |
2015-09-09 | Q1534950001 | ND |
2015-09-09 | Q1534950004 | ND |
2016-03-16 | Q1611036002 | ND |
2016-05-04 | Q1617545006 | ND |
2016-05-04 | Q1617545004 | ND |
2016-09-07 | Q1636169001 | ND |
2016-12-06 | Q1652948001 | ND |
2017-05-04 | Q1718563005 | ND |
2017-05-04 | Q1718563006 | ND |
2018-05-17 | Q1820246008 | ND |
2018-05-17 | Q1820246011 | ND |
2019-06-26 | Q1940105003 | ND |
2019-06-26 | Q1940105005 | ND |