1,1,1,2-Tetrachloroethane
Cook Springs Water Authority
NOTE: Cook Springs Water Authority purchases water from Odenville which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Odenville.
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 | 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
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: Cook Springs Water Authority purchases water from Odenville which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Odenville.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-12 | 1802-00225-4 | ND |
| 2018-02-12 | 1802-00225-7 | ND |
| 2018-02-23 | 1802-00412-2 | ND |
| 2018-04-02 | 1804-00026-16A | ND |
| 2018-04-02 | 1804-00026-12A | ND |
| 2018-08-14 | 1808-00215-004 | ND |
| 2018-08-14 | 1808-00215-007 | ND |
| 2018-11-15 | 1811-00326-003 | ND |
| 2018-11-15 | 1811-00326-006 | ND |
| 2018-11-15 | 1811-00326-008 | ND |
| 2019-02-11 | 1902-00119-003 | ND |
| 2019-02-11 | 1902-00119-006 | ND |
| 2019-02-11 | 1902-00119-010 | ND |
| 2019-05-13 | 1905-00211-014 | ND |
| 2019-05-13 | 1905-00211-018 | ND |
| 2019-08-15 | 1908-00227-005 | ND |
| 2019-08-15 | 1908-00227-008 | ND |
| 2019-11-12 | 1911-00174-001 | ND |
| 2019-11-12 | 1911-00174-002 | ND |
| 2019-11-12 | 1911-00174-004 | ND |
| 2019-11-12 | 1911-00174-006 | ND |
| 2019-11-12 | 1911-00174-009 | ND |
| 2019-11-12 | 1911-00174-012 | ND |
| 2019-11-12 | 1911-0074-005 | ND |
| 2020-02-12 | 2002-00224-004 | ND |
| 2020-02-12 | 2002-00224-009 | ND |
| 2020-02-12 | 2002-00224-012 | ND |
| 2020-05-11 | 2005-00172-010 | ND |
| 2020-05-11 | 2005-00172-014 | ND |
| 2020-08-10 | 2008-00136-008A | ND |
| 2020-08-10 | 2008-00136-011A | ND |
| 2020-10-20 | 2010-00131-001A | ND |
| 2020-10-20 | 2010-00313-004A | ND |
| 2020-10-20 | 2010-00313-007A | ND |
| 2021-02-08 | 2102-00117-001A | ND |
| 2021-02-08 | 2102-00117-004A | ND |
| 2021-02-08 | 2102-00117-007B | ND |
| 2021-05-10 | 2105-00143-010A | ND |
| 2021-05-10 | 2105-00143-014A | ND |
| 2021-08-11 | 2108-00215-004 | ND |
| 2021-08-11 | 2108-00215-007 | ND |
| 2022-01-11 | 2201-00155-001 | ND |
| 2022-01-11 | 2201-00155-006 | ND |
| 2022-01-11 | 2201-00155-003 | ND |
| 2022-08-18 | 2208-00379-003 | ND |
| 2022-11-14 | 2211-00276-001 | ND |
| 2022-11-14 | 2211-00276-002 | ND |
| 2022-11-14 | 2211-00276-003 | ND |
| 2022-11-14 | 2211-00276-004 | ND |
| 2023-02-13 | 2302-00274-003 | ND |
| 2023-02-13 | 2302-00274-007 | ND |
| 2023-08-15 | 2308-00319-006 | ND |
| 2023-11-16 | 2311-00366-001 | ND |
| 2023-11-16 | 2311-00366-002 | ND |