cis-1,2-Dichloroethylene
City of Mountain Home
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.
14
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 1 | 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 | Lab ID | Result |
|---|---|---|
| 2019-06-11 | V1927644 | ND |
| 2019-06-11 | V1927642 | ND |
| 2021-09-09 | V2147367 | ND |
| 2021-09-09 | V2147371 | ND |
| 2021-09-21 | V2149803 | ND |
| 2021-09-21 | V2149805 | ND |
| 2021-09-22 | V2150231 | ND |
| 2021-10-14 | V2155146 | ND |
| 2022-02-24 | V2209169 | ND |
| 2022-05-11 | V2222518 | ND |
| 2022-05-11 | V2222516 | ND |
| 2022-07-20 | V2234917 | ND |
| 2022-10-19 | V2252291 | ND |
| 2023-06-21 | V2312391-01 | ND |