cis-1,2-Dichloroethylene
Ferron - Castle Valley Special Service District
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.
30
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 |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 | Result |
|---|---|
| 2018-02-20 | ND |
| 2018-05-22 | ND |
| 2018-08-22 | ND |
| 2018-11-14 | ND |
| 2018-12-12 | ND |
| 2019-02-20 | ND |
| 2019-05-21 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-11-19 | ND |
| 2020-02-19 | ND |
| 2020-05-19 | ND |
| 2020-08-18 | ND |
| 2020-08-18 | ND |
| 2020-11-17 | ND |
| 2021-02-17 | ND |
| 2021-05-26 | ND |
| 2021-09-07 | ND |
| 2021-09-15 | ND |
| 2021-12-09 | ND |
| 2022-02-22 | ND |
| 2022-06-21 | ND |
| 2022-08-24 | ND |
| 2022-08-24 | ND |
| 2022-11-29 | ND |
| 2023-02-22 | ND |
| 2023-06-21 | ND |
| 2023-09-06 | ND |
| 2023-09-06 | ND |
| 2023-11-14 | ND |