cis-1,2-Dichloroethylene
City Of Glen Rose
NOTE: City Of Glen Rose purchases water from Somervell County Water District - Wheele which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Somervell County Water District - Wheele.
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.
Samples
Samples exceeding legal limit (MCL)
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 | 4 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 5 | 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
NOTE: City Of Glen Rose purchases water from Somervell County Water District - Wheele which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Somervell County Water District - Wheele.
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-26 | Q1817130006 | ND |
| 2019-02-13 | Q1906633002 | ND |
| 2020-11-03 | Q2042995003 | ND |
| 2021-06-01 | Q2114024004 | ND |
| 2022-02-22 | Q2206240008 | ND |
| 2023-10-11 | Q2343452001 | ND |