cis-1,2-Dichloroethylene
Jefferson County Cons Rural Water District #1
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.
29
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 | 2 | 0 | ND |
| 2015 | ND | 9 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 1 | 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) 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 |
|---|---|---|
| 2014-11-18 | 1351879 | ND |
| 2014-11-18 | 1351878 | ND |
| 2015-01-21 | 1366713 | ND |
| 2015-01-21 | 1366712 | ND |
| 2015-01-21 | 1366711 | ND |
| 2015-05-26 | 1398272 | ND |
| 2015-05-26 | 1398271 | ND |
| 2015-05-26 | 1398270 | ND |
| 2015-09-22 | 1429771 | ND |
| 2015-09-22 | 1429770 | ND |
| 2015-09-22 | 1429764 | ND |
| 2016-02-23 | 1470072 | ND |
| 2016-02-23 | 1470071 | ND |
| 2016-02-23 | 1470069 | ND |
| 2016-08-24 | SDWA-1060633-00 | ND |
| 2016-08-24 | SDWA-1060632-00 | ND |
| 2016-08-24 | SDWA-1060631-00 | ND |
| 2016-11-16 | SDWA-1098677-00 | ND |
| 2016-11-16 | SDWA-1098676-00 | ND |
| 2016-11-16 | SDWA-1098675-00 | ND |
| 2017-02-07 | SDWA-1125100-00 | ND |
| 2017-02-07 | SDWA-1125099-00 | ND |
| 2017-02-07 | SDWA-1125098-00 | ND |
| 2017-02-07 | SDWA-1124057-00 | ND |
| 2017-06-12 | SDWA-1152297-00 | ND |
| 2017-08-29 | SDWA-1182746-00 | ND |
| 2017-11-01 | SDWA-1204733-00 | ND |
| 2018-03-13 | SDWA-1244361-00 | ND |
| 2019-03-21 | SDWA-1356587-00 | ND |