cis-1,2-Dichloroethylene
Travis County Municipal Utility District 4
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.
12
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-02-15 | AE14083 | ND |
| 2018-08-13 | AE36646 | ND |
| 2019-02-14 | AE54602 | ND |
| 2019-08-20 | AE79613 | ND |
| 2020-03-03 | AF00898 | ND |
| 2020-07-23 | AF20338 | ND |
| 2021-01-25 | AF40768 | ND |
| 2021-07-07 | AF60990 | ND |
| 2022-02-10 | AF84277 | ND |
| 2022-08-17 | AG09728 | ND |
| 2023-02-14 | AG28837 | ND |
| 2023-07-18 | AG49052 | ND |