1,1-Dichloroethylene
Alamo Sewer and Water Gid
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 | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-03-05 | 1403111-003 | ND |
2014-03-05 | 1403111-004 | ND |
2014-07-02 | 1407105-003-V | ND |
2015-06-03 | 1506155-003 | ND |
2015-07-09 | 1507314-002 | ND |
2015-07-09 | 1507314-001 | ND |
2018-05-09 | 1805332-001 | ND |
2018-09-24 | 18090773-001 | ND |