1,1-Dichloroethylene
Utrwd Regional 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 |
---|---|---|---|---|
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 |
---|---|---|
2014-07-22 | Q1429878002 | ND |
2014-07-22 | Q1429878004 | ND |
2015-09-16 | Q1536495003 | ND |
2015-09-21 | Q1536819003 | ND |
2016-09-01 | Q1635093002 | ND |
2016-09-02 | Q1635676002 | ND |
2017-09-07 | Q1742147002 | ND |
2017-09-26 | Q1746575006 | ND |
2018-09-13 | Q1836570001 | ND |
2018-09-25 | Q1838256005 | ND |
2019-09-26 | Q1969362002 | ND |
2019-09-27 | Q1970279005 | ND |