cis-1,2-Dichloroethylene
Marston PWS
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.
40
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2018-03-06 | AD17523 | ND |
| 2018-05-02 | AD18671 | ND |
| 2018-07-11 | AD29590 | ND |
| 2018-10-11 | AD35068 | ND |
| 2019-01-08 | AD38381 | ND |
| 2019-04-10 | AD46672 | ND |
| 2019-07-11 | AD52717 | ND |
| 2019-10-17 | AD57379 | ND |
| 2020-01-12 | AD60699 | ND |
| 2020-01-12 | AD60698 | ND |
| 2020-04-14 | 2004303 | ND |
| 2020-04-14 | 2004302 | ND |
| 2020-07-15 | 2012319 | ND |
| 2020-07-15 | 2011774 | ND |
| 2020-10-18 | 2016644 | ND |
| 2020-10-18 | 2016645 | ND |
| 2021-01-10 | 2020244 | ND |
| 2021-01-10 | 2020243 | ND |
| 2021-04-12 | 2103857 | ND |
| 2021-04-12 | 2103856 | ND |
| 2021-07-11 | 2113866 | ND |
| 2021-07-11 | 2113867 | ND |
| 2021-10-18 | 2118176 | ND |
| 2021-10-18 | 2118175 | ND |
| 2022-01-12 | 2121678 | ND |
| 2022-01-12 | 2121677 | ND |
| 2022-04-13 | 2204414 | ND |
| 2022-04-13 | 2204415 | ND |
| 2022-07-18 | 2214867 | ND |
| 2022-07-18 | 2214868 | ND |
| 2022-10-10 | 2219709 | ND |
| 2022-10-10 | 2219710 | ND |
| 2023-01-08 | 2223378 | ND |
| 2023-01-08 | 2223379 | ND |
| 2023-04-12 | 2303544 | ND |
| 2023-04-12 | 2303545 | ND |
| 2023-07-19 | 2311777 | ND |
| 2023-07-19 | 2311776 | ND |
| 2023-10-18 | 2316887 | ND |
| 2023-10-18 | 2316888 | ND |