1,1,1-Trichloroethane
Kewaunee Waterworks
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.
14
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 3 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-12 | 1044904 | ND |
| 2018-03-13 | 1044907 | ND |
| 2019-07-15 | 1134743 | ND |
| 2019-07-16 | 1134746 | ND |
| 2020-05-11 | 1187271 | ND |
| 2020-05-12 | 1187645 | ND |
| 2020-05-12 | 1187648 | ND |
| 2021-05-25 | 1255866 | ND |
| 2021-06-15 | 1259381 | ND |
| 2022-07-12 | 1323032 | ND |
| 2022-07-19 | 1324612 | ND |
| 2023-05-16 | CB05118-03 | ND |
| 2023-05-22 | CB05349-03 | ND |
| 2023-05-22 | CB05349-06 | ND |