1,1,1-Trichloroethane
Collegeville Trappe Joint Public Works Department
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.
215
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 | 28 | 0 | ND |
| 2019 | ND | 28 | 0 | ND |
| 2020 | ND | 40 | 0 | ND |
| 2021 | ND | 40 | 0 | ND |
| 2022 | ND | 40 | 0 | ND |
| 2023 | ND | 39 | 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 |
|---|---|---|
| 2018-01-22 | 20180311 | ND |
| 2018-01-22 | 20180312 | ND |
| 2018-01-22 | 20180313 | ND |
| 2018-01-22 | 20180314 | ND |
| 2018-01-22 | 20180315 | ND |
| 2018-01-22 | 20180316 | ND |
| 2018-01-22 | 20180317 | ND |
| 2018-04-18 | 20181575 | ND |
| 2018-04-18 | 20181576 | ND |
| 2018-04-18 | 20181577 | ND |
| 2018-04-18 | 20181578 | ND |
| 2018-04-18 | 20181579 | ND |
| 2018-04-18 | 20181580 | ND |
| 2018-04-18 | 20181581 | ND |
| 2018-07-16 | 20182718 | ND |
| 2018-07-16 | 20182719 | ND |
| 2018-07-16 | 20182720 | ND |
| 2018-07-16 | 20182721 | ND |
| 2018-07-16 | 20182722 | ND |
| 2018-07-16 | 20182723 | ND |
| 2018-07-16 | 20182724 | ND |
| 2018-10-15 | 20183946 | ND |
| 2018-10-15 | 20183947 | ND |
| 2018-10-15 | 20183948 | ND |
| 2018-10-15 | 20183949 | ND |
| 2018-10-15 | 20183950 | ND |
| 2018-10-15 | 20183951 | ND |
| 2018-10-15 | 20183952 | ND |
| 2019-01-23 | 20190306 | ND |
| 2019-01-23 | 20190307 | ND |
| 2019-01-23 | 20190308 | ND |
| 2019-01-23 | 20190309 | ND |
| 2019-01-23 | 20190310 | ND |
| 2019-01-23 | 20190311 | ND |
| 2019-01-23 | 20190312 | ND |
| 2019-04-15 | 20191439 | ND |
| 2019-04-15 | 20191440 | ND |
| 2019-04-15 | 20191441 | ND |
| 2019-04-15 | 20191442 | ND |
| 2019-04-15 | 20191443 | ND |
| 2019-04-15 | 20191444 | ND |
| 2019-04-15 | 20191445 | ND |
| 2019-07-15 | 20192706 | ND |
| 2019-07-15 | 20192707 | ND |
| 2019-07-15 | 20192708 | ND |
| 2019-07-15 | 20192709 | ND |
| 2019-07-15 | 20192710 | ND |
| 2019-07-15 | 20192711 | ND |
| 2019-07-15 | 20192712 | ND |
| 2019-10-21 | 20194150 | ND |
| 2019-10-21 | 20194151 | ND |
| 2019-10-21 | 20194152 | ND |
| 2019-10-21 | 20194153 | ND |
| 2019-10-21 | 20194154 | ND |
| 2019-10-21 | 20194155 | ND |
| 2019-10-21 | 20194156 | ND |
| 2020-01-20 | 21500901.00 | ND |
| 2020-01-20 | 21500922.00 | ND |
| 2020-01-20 | 21500943.00 | ND |
| 2020-01-20 | 21500964.00 | ND |
| 2020-01-20 | 21500985.00 | ND |
| 2020-01-20 | 21501006.00 | ND |
| 2020-03-02 | 21845023.00 | ND |
| 2020-03-02 | 21845044.00 | ND |
| 2020-03-02 | 21845065.00 | ND |
| 2020-03-02 | 21845086.00 | ND |
| 2020-05-18 | 22213324.00 | ND |
| 2020-05-18 | 22213345.00 | ND |
| 2020-05-18 | 22213366.00 | ND |
| 2020-05-18 | 22213387.00 | ND |
| 2020-05-18 | 22213408.00 | ND |
| 2020-05-18 | 22213429.00 | ND |
| 2020-05-18 | 22213450.00 | ND |
| 2020-06-08 | 22414014.00 | ND |
| 2020-06-08 | 22414035.00 | ND |
| 2020-06-08 | 22414056.00 | ND |
| 2020-08-03 | 22605634.00 | ND |
| 2020-08-03 | 22605655.00 | ND |
| 2020-08-03 | 22605676.00 | ND |
| 2020-08-03 | 22605697.00 | ND |
| 2020-08-03 | 22605718.00 | ND |
| 2020-08-17 | 22797385.00 | ND |
| 2020-08-17 | 22797406.00 | ND |
| 2020-08-17 | 22797427.00 | ND |
| 2020-08-17 | 22797448.00 | ND |
| 2020-08-17 | 22797469.00 | ND |
| 2020-10-19 | 23180754.00 | ND |
| 2020-10-19 | 23180775.00 | ND |
| 2020-10-19 | 23180796.00 | ND |
| 2020-10-19 | 23180817.00 | ND |
| 2020-10-19 | 23180838.00 | ND |
| 2020-10-19 | 23180859.00 | ND |
| 2020-11-02 | 23360574.00 | ND |
| 2020-11-02 | 23360595.00 | ND |
| 2020-11-02 | 23360616.00 | ND |
| 2020-11-02 | 23360637.00 | ND |
| 2021-01-18 | 23711045.00 | ND |
| 2021-01-18 | 23711066.00 | ND |
| 2021-01-18 | 23711087.00 | ND |
| 2021-01-18 | 23711108.00 | ND |
| 2021-01-18 | 23711129.00 | ND |
| 2021-02-03 | 23887125.00 | ND |
| 2021-02-03 | 23887146.00 | ND |
| 2021-02-03 | 23887167.00 | ND |
| 2021-02-03 | 23887188.00 | ND |
| 2021-03-22 | 24058532.00 | ND |
| 2021-04-19 | 24246028.00 | ND |
| 2021-04-19 | 24246049.00 | ND |
| 2021-04-19 | 24246070.00 | ND |
| 2021-04-19 | 24246091.00 | ND |
| 2021-04-19 | 24246112.00 | ND |
| 2021-04-19 | 24246133.00 | ND |
| 2021-05-17 | 24436787.00 | ND |
| 2021-05-17 | 24436808.00 | ND |
| 2021-05-17 | 24436829.00 | ND |
| 2021-05-17 | 24436850.00 | ND |
| 2021-08-02 | 24827176.00 | ND |
| 2021-08-02 | 24827197.00 | ND |
| 2021-08-02 | 24827218.00 | ND |
| 2021-08-02 | 24827239.00 | ND |
| 2021-08-16 | 25021292.00 | ND |
| 2021-08-16 | 25021313.00 | ND |
| 2021-08-16 | 25021334.00 | ND |
| 2021-08-16 | 25021355.00 | ND |
| 2021-08-16 | 25021376.00 | ND |
| 2021-08-16 | 25021397.00 | ND |
| 2021-10-18 | 25402989.00 | ND |
| 2021-10-18 | 25403010.00 | ND |
| 2021-10-18 | 25403031.00 | ND |
| 2021-10-18 | 25403052.00 | ND |
| 2021-10-18 | 25403073.00 | ND |
| 2021-10-18 | 25403094.00 | ND |
| 2021-11-01 | 25586585.00 | ND |
| 2021-11-01 | 25586606.00 | ND |
| 2021-11-01 | 25586627.00 | ND |
| 2021-11-01 | 25586648.00 | ND |
| 2022-01-17 | 25941007.00 | ND |
| 2022-01-17 | 25941028.00 | ND |
| 2022-01-17 | 25941049.00 | ND |
| 2022-01-17 | 25941070.00 | ND |
| 2022-01-17 | 25941091.00 | ND |
| 2022-01-17 | 25941112.00 | ND |
| 2022-02-07 | 26116019.00 | ND |
| 2022-02-07 | 26116040.00 | ND |
| 2022-02-07 | 26116061.00 | ND |
| 2022-02-07 | 26116082.00 | ND |
| 2022-04-18 | 26462323.00 | ND |
| 2022-04-18 | 26462344.00 | ND |
| 2022-04-18 | 26462365.00 | ND |
| 2022-04-18 | 26462386.00 | ND |
| 2022-04-18 | 26462407.00 | ND |
| 2022-04-18 | 26462428.00 | ND |
| 2022-05-02 | 26646912.00 | ND |
| 2022-05-02 | 26646933.00 | ND |
| 2022-05-02 | 26646954.00 | ND |
| 2022-05-02 | 26646975.00 | ND |
| 2022-07-18 | 27035700.00 | ND |
| 2022-07-18 | 27035721.00 | ND |
| 2022-07-18 | 27035742.00 | ND |
| 2022-07-18 | 27035763.00 | ND |
| 2022-07-18 | 27035784.00 | ND |
| 2022-07-18 | 27035805.00 | ND |
| 2022-08-01 | 27232424.00 | ND |
| 2022-08-01 | 27232445.00 | ND |
| 2022-08-01 | 27232466.00 | ND |
| 2022-08-01 | 27232487.00 | ND |
| 2022-10-17 | 27639858.00 | ND |
| 2022-10-17 | 27639879.00 | ND |
| 2022-10-17 | 27639900.00 | ND |
| 2022-10-17 | 27639921.00 | ND |
| 2022-10-17 | 27639942.00 | ND |
| 2022-10-17 | 27639963.00 | ND |
| 2022-11-07 | 27821396.00 | ND |
| 2022-11-07 | 27821417.00 | ND |
| 2022-11-07 | 27821438.00 | ND |
| 2022-11-07 | 27821459.00 | ND |
| 2023-01-23 | 28171116.00 | ND |
| 2023-01-23 | 28171137.00 | ND |
| 2023-01-23 | 28171158.00 | ND |
| 2023-01-23 | 28171179.00 | ND |
| 2023-02-06 | 28348081.00 | ND |
| 2023-02-06 | 28348102.00 | ND |
| 2023-02-06 | 28348123.00 | ND |
| 2023-02-06 | 28348144.00 | ND |
| 2023-02-06 | 28348165.00 | ND |
| 2023-02-06 | 28348186.00 | ND |
| 2023-04-17 | 28700401.00 | ND |
| 2023-04-17 | 28700422.00 | ND |
| 2023-04-17 | 28700443.00 | ND |
| 2023-04-17 | 28700464.00 | ND |
| 2023-04-17 | 28700485.00 | ND |
| 2023-04-17 | 28700506.00 | ND |
| 2023-05-22 | 28899041.00 | ND |
| 2023-05-22 | 28899042.00 | ND |
| 2023-05-22 | 28899043.00 | ND |
| 2023-05-22 | 28899044.00 | ND |
| 2023-07-24 | 29300400.00 | ND |
| 2023-07-24 | 29300421.00 | ND |
| 2023-07-24 | 29300442.00 | ND |
| 2023-07-24 | 29300463.00 | ND |
| 2023-07-24 | 29300484.00 | ND |
| 2023-07-24 | 29300505.00 | ND |
| 2023-08-07 | 29495527.00 | ND |
| 2023-08-07 | 29495548.00 | ND |
| 2023-08-07 | 29495569.00 | ND |
| 2023-08-07 | 29495590.00 | ND |
| 2023-10-16 | 29885095.00 | ND |
| 2023-10-16 | 29885116.00 | ND |
| 2023-10-16 | 29885137.00 | ND |
| 2023-10-16 | 29885158.00 | ND |
| 2023-10-16 | 29885179.00 | ND |
| 2023-10-16 | 29885200.00 | ND |
| 2023-11-06 | 30069953.00 | ND |
| 2023-11-06 | 30069974.00 | ND |
| 2023-11-06 | 30069995.00 | ND |