1,1-Dichloroethylene
Turkey Canon Ranch Water District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | ND | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | 1.000 ppb | 1 | 1 | 1.000 ppb |
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 | Result |
---|---|
2014-08-28 | ND |
2015-03-30 | ND |
2015-06-28 | ND |
2015-07-21 | ND |
2015-12-09 | ND |
2016-03-22 | ND |
2016-06-30 | ND |
2016-09-23 | ND |
2016-12-02 | ND |
2017-03-20 | ND |
2017-04-25 | ND |
2018-08-15 | 1.000 ppb |
2019-05-30 | ND |