1,1,1-Trichloroethane
Lomira 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.
23
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 | 0.0800 ppb | 5 | 1 | ND - 0.400 ppb |
| 2019 | 0.0343 ppb | 7 | 1 | ND - 0.240 ppb |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | 0.400 ppb | 2 | 1 | ND - 0.800 ppb |
| 2023 | 0.0540 ppb | 5 | 1 | ND - 0.270 ppb |
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 | 1044517 | ND |
| 2018-03-12 | 1044519 | ND |
| 2018-04-17 | 1050450 | 0.400 ppb |
| 2018-08-06 | 1071729 | ND |
| 2018-12-10 | 1097116 | ND |
| 2019-03-12 | 1109088 | ND |
| 2019-03-12 | 1109086 | ND |
| 2019-06-03 | 1124568 | ND |
| 2019-07-23 | 1136304 | ND |
| 2019-07-23 | 1136305 | ND |
| 2019-09-04 | 1145305 | 0.240 ppb |
| 2019-10-16 | 1155641 | ND |
| 2020-07-14 | 1199585 | ND |
| 2020-07-14 | 1199589 | ND |
| 2021-07-26 | 1267994 | ND |
| 2021-07-26 | 1267993 | ND |
| 2022-09-06 | 1334570 | ND |
| 2022-09-06 | 1334573 | 0.800 ppb |
| 2023-03-01 | CB01988-01 | ND |
| 2023-04-12 | WB02091-03 | ND |
| 2023-04-19 | WB02241-01 | 0.270 ppb |
| 2023-08-15 | WB05131-01 | ND |
| 2023-10-16 | CB12756-01 | ND |