1,1,1-Trichloroethane
Muscoda 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.
11
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2020-04-13 | 20D0406-01 | ND |
| 2020-04-13 | 20D0406-02 | ND |
| 2021-06-16 | 21F0629-01 | ND |
| 2021-09-13 | 21I0399-01 | ND |
| 2021-12-07 | 21L0290-01 | ND |
| 2022-02-22 | 22B0710-03 | ND |
| 2022-04-13 | 22D0400-01 | ND |
| 2022-09-13 | 22I0409-01 | ND |
| 2022-10-12 | 22J0384-01 | ND |
| 2023-06-12 | 23F0340-01 | ND |
| 2023-06-12 | 23F0340-02 | ND |