cis-1,2-Dichloroethylene
Scottville, City of
NOTE: Scottville, City of purchases water from Ludington, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Ludington, City of.
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 | 1 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 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: Scottville, City of purchases water from Ludington, City of which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Ludington, City of.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-12 | LLH65385 | ND |
| 2018-05-15 | LLH80829 | ND |
| 2018-08-07 | LLH97644 | ND |
| 2018-11-13 | LLI15460 | ND |
| 2018-11-29 | LLI17188 | ND |
| 2019-02-13 | LLI25478 | ND |
| 2019-05-08 | LLI37075 | ND |
| 2019-08-07 | LLI55024 | ND |
| 2019-09-04 | LLI61615 | ND |
| 2019-11-06 | LLI75691 | ND |
| 2020-02-04 | ND | |
| 2020-05-06 | ND | |
| 2020-05-06 | ND | |
| 2020-08-03 | ND | |
| 2020-11-03 | ND | |
| 2021-02-02 | ND | |
| 2021-05-04 | ND | |
| 2021-08-03 | ND | |
| 2021-11-01 | ND | |
| 2021-11-16 | ND | |
| 2022-02-01 | ND | |
| 2022-05-02 | ND | |
| 2022-08-01 | ND | |
| 2022-11-07 | ND | |
| 2023-02-06 | ND | |
| 2023-05-01 | ND | |
| 2023-08-02 | ND | |
| 2023-11-06 | ND |