1,1-Dichloroethylene
Southwood Water System
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
25
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 | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2015-03-11 | 74808 | ND |
| 2015-03-11 | 74807 | ND |
| 2015-03-11 | 74806 | ND |
| 2015-03-11 | 74809 | ND |
| 2015-07-07 | 75114 | ND |
| 2016-03-11 | ND | |
| 2016-03-14 | ND | |
| 2016-04-14 | ND | |
| 2016-05-13 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2017-02-22 | ND | |
| 2018-03-14 | ND | |
| 2018-03-14 | ND | |
| 2018-05-04 | ND | |
| 2018-07-19 | ND | |
| 2019-06-26 | ND | |
| 2019-07-12 | ND | |
| 2019-07-12 | ND | |
| 2019-09-05 | ND | |
| 2019-10-15 | ND |