1,1-Dichloroethylene
City of Horn Lake
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
15
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 | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 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 | Lab ID | Result |
|---|---|---|
| 2014-01-21 | 140122-028VO | ND |
| 2014-04-14 | 140415-018VO | ND |
| 2014-06-12 | 140613-009VO | ND |
| 2014-07-22 | 140723-008VO | ND |
| 2015-06-25 | 150626-009VO | ND |
| 2015-06-25 | 150626-010VO | ND |
| 2016-11-17 | 161118-002VO | ND |
| 2016-11-17 | 161118-003VO | ND |
| 2016-12-19 | 161220-016VO | ND |
| 2016-12-19 | 161220-017VO | ND |
| 2017-06-26 | 170627-017VO | ND |
| 2017-12-13 | 171214-011VO | ND |
| 2018-06-04 | 180605-006VO | ND |
| 2018-06-04 | 180605-007VO | ND |
| 2019-10-16 | 191017-003VO | ND |