cis-1,2-Dichloroethylene
Greenwood Acres Water Company
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.
1
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 | 1 | 0 | ND |
| 2019 | 0.300 ppb | 7 | 3 | ND - 0.800 ppb |
| 2020 | 0.460 ppb | 5 | 4 | ND - 0.600 ppb |
| 2021 | 0.200 ppb | 6 | 2 | ND - 0.600 ppb |
| 2022 | 0.200 ppb | 6 | 2 | ND - 0.600 ppb |
| 2023 | 0.250 ppb | 2 | 1 | ND - 0.500 ppb |
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 |
|---|---|---|
| 2018-02-26 | 1B81762-01 | ND |