1,1,1-Trichloroethane
Groveland Water Department
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.
20
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 | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 | Result |
|---|---|
| 2020-02-05 | ND |
| 2020-04-01 | ND |
| 2020-04-01 | ND |
| 2020-07-15 | ND |
| 2020-10-05 | ND |
| 2021-01-20 | ND |
| 2021-04-05 | ND |
| 2021-04-05 | ND |
| 2021-07-21 | ND |
| 2021-10-18 | ND |
| 2022-02-02 | ND |
| 2022-04-04 | ND |
| 2022-04-04 | ND |
| 2022-07-20 | ND |
| 2022-11-02 | ND |
| 2023-01-18 | ND |
| 2023-05-03 | ND |
| 2023-05-03 | ND |
| 2023-07-19 | ND |
| 2023-10-04 | ND |