cis-1,2-Dichloroethylene
Hoke County Regional Water System
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
66
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 | 14 | 0 | ND |
| 2015 | ND | 22 | 0 | ND |
| 2016 | ND | 21 | 0 | ND |
| 2017 | ND | 9 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-18 | 2996024 | ND |
| 2014-03-18 | 2996028 | ND |
| 2014-03-18 | 2996020 | ND |
| 2014-03-18 | 2995991 | ND |
| 2014-06-24 | 3054283 | ND |
| 2014-06-24 | 3054273 | ND |
| 2014-06-24 | 3054269 | ND |
| 2014-06-24 | 3054281 | ND |
| 2014-09-03 | 680-104991-1 | ND |
| 2014-09-03 | 680-104991-7 | ND |
| 2014-12-08 | 14120691 | ND |
| 2014-12-10 | 14120860 | ND |
| 2014-12-10 | 14120857 | ND |
| 2014-12-10 | 14120863 | ND |
| 2015-03-23 | ND | |
| 2015-03-23 | ND | |
| 2015-03-24 | ND | |
| 2015-03-24 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-06-01 | ND | |
| 2015-08-18 | ND | |
| 2015-08-18 | ND | |
| 2015-08-18 | ND | |
| 2015-08-18 | ND | |
| 2015-12-15 | ND | |
| 2015-12-15 | ND | |
| 2015-12-15 | ND | |
| 2015-12-15 | ND | |
| 2016-02-23 | 8139-022316-EP9V | ND |
| 2016-02-23 | 8139-022316-EP5V | ND |
| 2016-02-23 | 8139-022316-EP4V | ND |
| 2016-02-23 | 8139-022316-EP3V | ND |
| 2016-02-23 | 8139-022316-EP2V | ND |
| 2016-02-23 | 8139-022316-EP1V | ND |
| 2016-02-23 | 8139-022316-E26V | ND |
| 2016-02-23 | 8139-022316-E21V | ND |
| 2016-02-23 | 8139-022316-E10V | ND |
| 2016-02-23 | 8139-022316-E23V | ND |
| 2016-05-09 | 8139-050916-EP9V | ND |
| 2016-05-11 | 8139-051116-EP5V | ND |
| 2016-05-11 | 8139-051116-E26V | ND |
| 2016-06-15 | 8139-061516-E23V | ND |
| 2016-06-16 | 8139-061616-E19V | ND |
| 2016-08-30 | 37729_16-30182 | ND |
| 2016-08-30 | 37729_16-30184 | ND |
| 2016-08-30 | 37729_16-30183 | ND |
| 2016-11-16 | 37729_16-40267 | ND |
| 2016-11-16 | 37729_16-40265 | ND |
| 2016-11-16 | 37729_16-40264 | ND |
| 2017-03-06 | 37729_17-07605 | ND |
| 2017-03-06 | 37729_17-07606 | ND |
| 2017-03-06 | 37729_17-07607 | ND |
| 2017-03-06 | 37729_17-07608 | ND |
| 2017-05-02 | 37729_17-14768 | ND |
| 2017-05-02 | 37729_17-14769 | ND |
| 2017-05-02 | 37729_17-14770 | ND |
| 2017-08-22 | 37729_17-30214 | ND |
| 2017-11-15 | 37729_17-43224 | ND |