cis-1,2-Dichloroethylene
City of Crosbyton
NOTE: City of Crosbyton purchases water from White River Municipal Water District which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by White River Municipal Water District.
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 Crosbyton purchases water from White River Municipal Water District which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by White River Municipal Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-24 | Q1816513004 | ND |
| 2018-07-17 | Q1828234002 | ND |
| 2019-05-01 | Q1917590004 | ND |
| 2019-08-06 | Q1951422001 | ND |
| 2020-09-15 | Q2036516006 | ND |
| 2020-09-15 | Q2036516008 | ND |
| 2021-08-11 | Q2121422005 | ND |
| 2021-08-11 | Q2121422007 | ND |
| 2022-06-02 | Q2215628001 | ND |
| 2022-09-06 | Q2226331001 | ND |
| 2023-08-17 | Q2334682003 | ND |
| 2023-08-17 | Q2334682005 | ND |