1,1-Dichloroethylene
Why Domestic Water Improvement District
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 | 3 | 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 |
---|---|---|
2014-08-24 | 4082050-01 | ND |
2014-12-13 | 201412160007V | ND |
2015-08-07 | 5080660-02 | ND |
2015-12-06 | 201512070066V | ND |
2016-08-21 | 6081997-03 | ND |
2016-11-28 | 201611290384V | ND |
2017-08-04 | 7080560-03 | ND |
2017-10-11 | 7101229-03 | ND |
2017-10-23 | 201710240230V | ND |
2018-01-08 | 18A0856-03 | ND |
2018-10-23 | 201810250108V | ND |
2019-08-08 | 550-127715-1 | ND |
2019-09-26 | 201909270020V | ND |