1,1,1-Trichloroethane
Horsham Water&sewer Authority
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.
95
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 | ND | 8 | 0 | ND |
| 2019 | ND | 13 | 0 | ND |
| 2020 | ND | 23 | 0 | ND |
| 2021 | ND | 18 | 0 | ND |
| 2022 | ND | 18 | 0 | ND |
| 2023 | ND | 15 | 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 |
|---|---|---|
| 2018-01-30 | AF74813 | ND |
| 2018-01-30 | AF74814 | ND |
| 2018-02-13 | AF75932 | ND |
| 2018-03-23 | AF79016 | ND |
| 2018-06-22 | AF86999 | ND |
| 2018-08-30 | AF94269 | ND |
| 2018-10-03 | AF96985 | ND |
| 2018-12-27 | AG04620 | ND |
| 2019-02-11 | AG07773 | ND |
| 2019-02-11 | AG07771 | ND |
| 2019-02-11 | AG07775 | ND |
| 2019-02-11 | AG07772 | ND |
| 2019-02-27 | AG09179 | ND |
| 2019-04-11 | AG13046 | ND |
| 2019-04-11 | AG13047 | ND |
| 2019-05-09 | AG16016 | ND |
| 2019-05-09 | AG16019 | ND |
| 2019-05-23 | AG16891 | ND |
| 2019-08-21 | AG28299 | ND |
| 2019-09-18 | AG31925 | ND |
| 2019-09-18 | AG31924 | ND |
| 2020-01-16 | 21502663.00 | ND |
| 2020-01-16 | 21502642.00 | ND |
| 2020-01-16 | 21502621.00 | ND |
| 2020-01-16 | 21502600.00 | ND |
| 2020-03-12 | 21846186.00 | ND |
| 2020-03-12 | 21846165.00 | ND |
| 2020-03-12 | 21846144.00 | ND |
| 2020-03-12 | 21846123.00 | ND |
| 2020-03-12 | 21846102.00 | ND |
| 2020-04-08 | 22021664.00 | ND |
| 2020-04-08 | 22021622.00 | ND |
| 2020-04-08 | 22021601.00 | ND |
| 2020-04-08 | 22021643.00 | ND |
| 2020-05-20 | 22214506.00 | ND |
| 2020-05-20 | 22214485.00 | ND |
| 2020-07-22 | 22607040.00 | ND |
| 2020-07-22 | 22607019.00 | ND |
| 2020-07-22 | 22607061.00 | ND |
| 2020-07-22 | 22606998.00 | ND |
| 2020-10-21 | 23181847.00 | ND |
| 2020-10-21 | 23181826.00 | ND |
| 2020-10-21 | 23181784.00 | ND |
| 2020-10-21 | 23181805.00 | ND |
| 2021-01-06 | 23888204.00 | ND |
| 2021-01-06 | 23888183.00 | ND |
| 2021-01-06 | 23888141.00 | ND |
| 2021-01-06 | 23888162.00 | ND |
| 2021-05-13 | 24438533.00 | ND |
| 2021-05-13 | 24438512.00 | ND |
| 2021-05-13 | 24438491.00 | ND |
| 2021-05-13 | 24438470.00 | ND |
| 2021-07-08 | 24828069.00 | ND |
| 2021-07-21 | 24828174.00 | ND |
| 2021-07-21 | 24828237.00 | ND |
| 2021-07-21 | 24828216.00 | ND |
| 2021-07-21 | 24828195.00 | ND |
| 2021-07-29 | 25022387.00 | ND |
| 2021-09-29 | 25220232.00 | ND |
| 2021-10-07 | 25403892.00 | ND |
| 2021-10-13 | 25403907.00 | ND |
| 2021-10-27 | 25403937.00 | ND |
| 2022-01-05 | 26117092.00 | ND |
| 2022-01-12 | 26117050.00 | ND |
| 2022-01-12 | 26117071.00 | ND |
| 2022-02-10 | 26117149.00 | ND |
| 2022-02-17 | 26117029.00 | ND |
| 2022-02-24 | 26117126.00 | ND |
| 2022-04-06 | 26463506.00 | ND |
| 2022-04-20 | 26463548.00 | ND |
| 2022-04-20 | 26463569.00 | ND |
| 2022-04-20 | 26463527.00 | ND |
| 2022-07-07 | 27037102.00 | ND |
| 2022-07-13 | 27037081.00 | ND |
| 2022-07-13 | 27037060.00 | ND |
| 2022-07-14 | 27037039.00 | ND |
| 2022-11-02 | 27822993.00 | ND |
| 2022-11-09 | 27822930.00 | ND |
| 2022-11-10 | 27822951.00 | ND |
| 2022-11-10 | 27822972.00 | ND |
| 2023-01-18 | 28172704.00 | ND |
| 2023-01-19 | 28172683.00 | ND |
| 2023-01-26 | 28172725.00 | ND |
| 2023-01-26 | 28172746.00 | ND |
| 2023-04-12 | 28702135.00 | ND |
| 2023-04-26 | 28702177.00 | ND |
| 2023-04-26 | 28702198.00 | ND |
| 2023-04-26 | 28702114.00 | ND |
| 2023-04-26 | 28702156.00 | ND |
| 2023-07-27 | 29301890.00 | ND |
| 2023-07-27 | 29301869.00 | ND |
| 2023-07-27 | 29301911.00 | ND |
| 2023-10-19 | 29886669.00 | ND |
| 2023-10-19 | 29886648.00 | ND |
| 2023-10-19 | 29886627.00 | ND |