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.
25
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 |
|---|---|---|---|---|
| 2014 | 1.36 ppb | 2 | 2 | 0.210 ppb - 2.50 ppb |
| 2015 | 0.550 ppb | 2 | 1 | ND - 1.10 ppb |
| 2016 | 0.533 ppb | 4 | 2 | ND - 1.80 ppb |
| 2017 | 1.28 ppb | 5 | 3 | ND - 2.90 ppb |
| 2018 | 0.0800 ppb | 5 | 1 | ND - 0.400 ppb |
| 2019 | 0.0343 ppb | 7 | 1 | ND - 0.240 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-03-25 | 776776 | 2.50 ppb |
| 2014-03-25 | 776773 | 0.210 ppb |
| 2015-05-27 | 861775 | ND |
| 2015-05-27 | 861779 | 1.10 ppb |
| 2016-05-04 | 919413 | ND |
| 2016-08-23 | 941027 | 1.80 ppb |
| 2016-09-13 | 945527 | 0.330 ppb |
| 2016-11-21 | 290013001 | ND |
| 2017-02-13 | 973346 | 2.90 ppb |
| 2017-03-06 | 976155 | ND |
| 2017-06-06 | 995751 | 2.30 ppb |
| 2017-07-26 | 1006868 | ND |
| 2017-11-08 | 1028768 | 1.20 ppb |
| 2018-03-12 | 1044519 | ND |
| 2018-03-12 | 1044517 | 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 |