cis-1,2-Dichloroethylene
Swta - Main System
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.
35
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 | 6 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-01-09 | 8012152-02 | ND |
| 2018-04-10 | 8042613-02 | ND |
| 2018-04-10 | 8042612-01 | ND |
| 2018-04-10 | 8042612-02 | ND |
| 2018-04-10 | 8042612-03 | ND |
| 2018-04-10 | 8042612-04 | ND |
| 2019-04-23 | 9044997-01 | ND |
| 2019-04-23 | 9044997-02 | ND |
| 2019-04-23 | 9044997-03 | ND |
| 2019-04-23 | 9044997-04 | ND |
| 2019-04-23 | 9044997-05 | ND |
| 2020-04-14 | 22080213.00 | ND |
| 2020-04-14 | 22080276.00 | ND |
| 2020-04-14 | 22080192.00 | ND |
| 2020-04-14 | 22080171.00 | ND |
| 2020-04-14 | 22080150.00 | ND |
| 2020-04-14 | 22080234.00 | ND |
| 2020-04-14 | 22080255.00 | ND |
| 2021-04-06 | 24301746.00 | ND |
| 2021-04-06 | 24301809.00 | ND |
| 2021-04-06 | 24301767.00 | ND |
| 2021-04-06 | 24301788.00 | ND |
| 2021-04-06 | 24301830.00 | ND |
| 2022-05-31 | 26899444.00 | ND |
| 2022-05-31 | 26899507.00 | ND |
| 2022-05-31 | 26899465.00 | ND |
| 2022-05-31 | 26899486.00 | ND |
| 2022-05-31 | 26899528.00 | ND |
| 2023-04-04 | 28761051.00 | ND |
| 2023-04-04 | 28761048.00 | ND |
| 2023-04-04 | 28761053.00 | ND |
| 2023-04-04 | 28761052.00 | ND |
| 2023-04-04 | 28761050.00 | ND |
| 2023-04-04 | 28761049.00 | ND |
| 2023-12-12 | 30296268.00 | ND |