1,1,1-Trichloroethane
Otwell Water Corporation
NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Patoka Lake Regional Water.
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
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): 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Patoka Lake Regional Water.
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-08 | 425304RV-1803 | ND |
| 2019-08-27 | 463440RV-1903 | ND |
| 2020-06-09 | 4645714 | ND |
| 2021-07-27 | 4966013 | ND |
| 2022-08-09 | 1-810-33419-1_IN | ND |
| 2023-08-17 | 1-810-74525-1_IN | ND |