cis-1,2-Dichloroethylene
Bethel, Town of
NOTE: Bethel, Town of purchases water from Greenville Utilities Comm. which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Greenville Utilities Comm..
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.
Samples
Samples exceeding legal limit (MCL)
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 | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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
NOTE: Bethel, Town of purchases water from Greenville Utilities Comm. which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Greenville Utilities Comm..
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-23 | 37729_18-35469 | ND |
| 2018-08-23 | 37729_18-35471 | ND |
| 2018-08-23 | 37729_18-35472 | ND |
| 2018-08-23 | 37729_18-35473 | ND |
| 2018-08-23 | 37729_18-35467 | ND |
| 2019-08-22 | 37729_19-36231 | ND |
| 2019-08-22 | 37729_19-36232 | ND |
| 2019-08-22 | 37729_19-36233 | ND |
| 2019-08-22 | 37729_19-36234 | ND |
| 2020-08-20 | 37729_20-36223 | ND |
| 2020-08-20 | 37729_20-36222 | ND |
| 2020-08-20 | 37729_20-36221 | ND |
| 2020-08-20 | 37729_20-36145 | ND |
| 2021-08-23 | 37729_21-36217 | ND |
| 2021-08-23 | 37729_21-36218 | ND |
| 2021-08-23 | 37729_21-36219 | ND |
| 2021-08-23 | 37729_21-36220 | ND |
| 2022-08-23 | 37729_22-40410 | ND |
| 2022-08-23 | 37729_22-40411 | ND |
| 2022-08-23 | 37729_22-40412 | ND |
| 2022-08-23 | 37729_22-40413 | ND |
| 2023-05-25 | 37729_23-26781 | ND |
| 2023-05-25 | 37729_23-26782 | ND |
| 2023-05-25 | 37729_23-26783 | ND |
| 2023-05-25 | 37729_23-26784 | ND |