1,1,1,2-Tetrachloroethane
Buena Vista Bethel Special Utility District
NOTE: Buena Vista Bethel Special Utility District purchases water from City of Waxahachie which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by City of Waxahachie.
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
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 | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
NOTE: Buena Vista Bethel Special Utility District purchases water from City of Waxahachie which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by City of Waxahachie.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-25 | Q1802982010 | ND |
| 2018-08-13 | Q1832216003 | ND |
| 2019-04-29 | Q1916965011 | ND |
| 2019-07-25 | Q1947719001 | ND |
| 2020-08-17 | Q2032738017 | ND |
| 2020-08-17 | Q2032738019 | ND |
| 2021-09-16 | Q2125453010 | ND |
| 2021-09-16 | Q2125453012 | ND |
| 2022-01-12 | Q2201052009 | ND |
| 2022-08-16 | Q2224047002 | ND |
| 2023-09-05 | Q2338122002 | ND |
| 2023-11-20 | Q2349758003 | ND |