1,1-Dichloroethylene
Municipal Authority of Westmoreland County - Sweeney Water Treatment Plant
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 | 2 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-07-10 | 07140858 | ND |
2015-07-08 | 13082416 | ND |
2015-09-28 | 13335814 | ND |
2016-10-31 | 15163708 | ND |
2017-07-18 | 16499154 | ND |
2018-10-10 | 8101057-11 | ND |
2019-10-15 | 9101389-01 | ND |