1,1,1-Trichloroethane
Triple R Mutual Water Company
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 | ND | 10 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-12-11 | CA5400670_009_009-201912111115 | ND |
| 2019-12-11 | CA5400670_007_007-201912111210 | ND |
| 2019-12-11 | CA5400670_001_001-201912111035 | ND |
| 2019-12-11 | CA5400670_010_010-201912111225 | ND |
| 2019-12-11 | CA5400670_002_002-201912111155 | ND |
| 2019-12-11 | CA5400670_005_005-201912111140 | ND |
| 2019-12-11 | CA5400670_008_008-201912111255 | ND |
| 2019-12-11 | CA5400670_011_011-201912111210 | ND |
| 2019-12-11 | CA5400670_004_004-201912110955 | ND |
| 2019-12-11 | CA5400670_006_006-201912111100 | ND |
| 2020-06-29 | CA5400670_011_011-202006291640 | ND |
| 2020-09-28 | CA5400670_011_011-202009281620 | ND |
| 2020-12-20 | CA5400670_011_011-202012201140 | ND |
| 2021-03-13 | CA5400670_011_011-202103131200 | ND |
| 2022-03-27 | CA5400670_011_011-202203271455 | ND |
| 2022-06-24 | CA5400670_009_009-202206241305 | ND |
| 2022-12-28 | CA5400670_008_008-202212281100 | ND |
| 2022-12-28 | CA5400670_007_007-202212281115 | ND |
| 2022-12-28 | CA5400670_006_006-202212281030 | ND |
| 2022-12-28 | CA5400670_001_001-202212281000 | ND |