cis-1,2-Dichloroethylene
Otter Creek Lake Utilities 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.
9
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 | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2019-05-14 | 19E0470-01 | ND |
| 2020-04-14 | 2004931-001A | ND |
| 2020-04-14 | 2004931-003A | ND |
| 2020-04-14 | 2004931-005A | ND |
| 2021-05-04 | 2105161-001A | ND |
| 2021-08-03 | 2108259-001A | ND |
| 2021-11-02 | 2111192-001A | ND |
| 2022-03-01 | 2203096-001A | ND |
| 2023-06-08 | 2306802-001A | ND |