cis-1,2-Dichloroethylene
Brodhead Creek Reg Water Authority
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.
13
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 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-04-11 | 1808781-01 | ND |
| 2019-04-10 | T9D0594-01 | ND |
| 2020-04-13 | 22045730.00 | ND |
| 2020-04-15 | 22045643.00 | ND |
| 2021-04-07 | 24269238.00 | ND |
| 2021-11-01 | 25608111.00 | ND |
| 2022-02-23 | 26137298.00 | ND |
| 2022-04-25 | 26485909.00 | ND |
| 2022-05-23 | 26672007.00 | ND |
| 2022-08-22 | 27258326.00 | ND |
| 2023-03-29 | 28543990.00 | ND |
| 2023-03-29 | 28544012.00 | ND |
| 2023-03-29 | 28544034.00 | ND |