cis-1,2-Dichloroethylene
City of Bastrop
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.
18
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2018-01-23 | AE09866 | ND |
| 2018-01-23 | AE09870 | ND |
| 2018-01-23 | AE09862 | ND |
| 2019-01-16 | AE50154 | ND |
| 2019-01-16 | AE50160 | ND |
| 2019-04-11 | AE62106 | ND |
| 2020-01-24 | AE95152 | ND |
| 2020-04-02 | AF05372 | ND |
| 2020-04-02 | AF05378 | ND |
| 2021-02-23 | AF43961 | ND |
| 2021-02-23 | AF43971 | ND |
| 2021-02-23 | AF43969 | ND |
| 2022-01-31 | AF82551 | ND |
| 2022-01-31 | AF82553 | ND |
| 2022-05-10 | AF96252 | ND |
| 2023-01-17 | AG24744 | ND |
| 2023-01-17 | AG24748 | ND |
| 2023-05-03 | AG39129 | ND |