1,1-Dichloroethylene
Lee County Utilities
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
18
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | 0.200 ppb | 1 | 1 | 0.200 ppb |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | 0.0750 ppb | 2 | 1 | ND - 0.150 ppb |
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 |
|---|---|
| 2014-02-05 | ND |
| 2014-03-03 | ND |
| 2014-04-16 | ND |
| 2014-04-16 | ND |
| 2014-10-08 | ND |
| 2015-10-12 | ND |
| 2016-10-03 | 0.200 ppb |
| 2017-02-01 | ND |
| 2017-03-02 | ND |
| 2017-04-03 | ND |
| 2017-04-03 | ND |
| 2017-10-05 | ND |
| 2018-06-11 | ND |
| 2018-07-09 | ND |
| 2018-10-01 | ND |
| 2018-10-16 | ND |
| 2019-01-07 | 0.150 ppb |
| 2019-10-07 | ND |