1,1-Dichloroethylene
Walnut Springs
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-09-28 | AD08736 | ND |
2015-09-28 | AD08732 | ND |
2016-06-15 | AD40764 | ND |
2016-06-15 | AD40752 | ND |
2017-09-08 | AD95441 | ND |
2017-09-08 | AD95437 | ND |
2018-04-02 | AE20875 | ND |
2018-04-02 | AE20869 | ND |
2019-11-07 | AE88913 | ND |
2019-11-07 | AE88919 | ND |