1,1,1-Trichloroethane
Warminster Municipal Authority
NOTE: Warminster Municipal Authority purchases water from North Wales Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by North Wales Water 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 2 | 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
NOTE: Warminster Municipal Authority purchases water from North Wales Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by North Wales Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-12 | 20180932 | ND |
| 2018-03-12 | 20180940 | ND |
| 2018-03-12 | 20180939 | ND |
| 2018-03-12 | 20180938 | ND |
| 2018-03-12 | 20180937 | ND |
| 2018-03-12 | 20180936 | ND |
| 2018-03-12 | 20180935 | ND |
| 2018-03-12 | 20180934 | ND |
| 2018-03-12 | 20180933 | ND |
| 2018-03-13 | 20180956 | ND |
| 2018-06-05 | 20182148 | ND |
| 2018-09-04 | 20183373 | ND |
| 2018-12-18 | 20184775 | ND |
| 2019-03-05 | 20190857 | ND |
| 2019-03-12 | 20190960 | ND |
| 2019-03-12 | 20190956 | ND |
| 2019-03-12 | 20190964 | ND |
| 2019-03-12 | 20190957 | ND |
| 2019-03-12 | 20190963 | ND |
| 2019-03-12 | 20190962 | ND |
| 2019-03-12 | 20190958 | ND |
| 2019-03-12 | 20190961 | ND |
| 2019-03-12 | 20190959 | ND |
| 2019-09-03 | 20193443 | ND |
| 2019-12-03 | 20194748 | ND |
| 2020-03-03 | 21849469.00 | ND |
| 2020-03-03 | 21849448.00 | ND |
| 2020-03-03 | 21849427.00 | ND |
| 2020-03-03 | 21849490.00 | ND |
| 2020-03-03 | 21849511.00 | ND |
| 2020-03-03 | 21849532.00 | ND |
| 2020-03-03 | 21849406.00 | ND |
| 2020-03-03 | 21849553.00 | ND |
| 2020-06-02 | 22418582.00 | ND |
| 2020-06-02 | 22418603.00 | ND |
| 2020-09-01 | 23001537.00 | ND |
| 2020-12-01 | 23539411.00 | ND |
| 2021-03-01 | 24062312.00 | ND |
| 2021-03-01 | 24062396.00 | ND |
| 2021-03-01 | 24062270.00 | ND |
| 2021-03-01 | 24062375.00 | ND |
| 2021-03-01 | 24062354.00 | ND |
| 2021-03-01 | 24062333.00 | ND |
| 2021-03-01 | 24062291.00 | ND |
| 2021-03-02 | 24062417.00 | ND |
| 2021-06-01 | 24640230.00 | ND |
| 2021-09-09 | 25222349.00 | ND |
| 2021-12-14 | 25766379.00 | ND |
| 2022-03-01 | 26289333.00 | ND |
| 2022-03-09 | 26289249.00 | ND |
| 2022-03-09 | 26289312.00 | ND |
| 2022-03-09 | 26289291.00 | ND |
| 2022-03-09 | 26289186.00 | ND |
| 2022-03-09 | 26289228.00 | ND |
| 2022-03-09 | 26289207.00 | ND |
| 2022-03-09 | 26289270.00 | ND |
| 2022-06-07 | 26844662.00 | ND |
| 2022-09-20 | 27443454.00 | ND |
| 2022-12-06 | 28000360.00 | ND |
| 2023-03-07 | 28523012.00 | ND |
| 2023-03-08 | 28522949.00 | ND |
| 2023-03-08 | 28522907.00 | ND |
| 2023-03-08 | 28522991.00 | ND |
| 2023-03-08 | 28522970.00 | ND |
| 2023-03-08 | 28522928.00 | ND |
| 2023-06-05 | 29110408.00 | ND |
| 2023-06-19 | 29110357.00 | ND |
| 2023-09-12 | 29701908.00 | ND |
| 2023-11-17 | 30073310.00 | ND |