1,1,1-Trichloroethane
North Penn 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.
224
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 | 48 | 0 | ND |
| 2019 | ND | 45 | 0 | ND |
| 2020 | ND | 49 | 0 | ND |
| 2021 | ND | 38 | 0 | ND |
| 2022 | ND | 26 | 0 | ND |
| 2023 | ND | 18 | 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 | 20180293 | ND |
| 2018-01-22 | 20180294 | ND |
| 2018-01-22 | 20180295 | ND |
| 2018-01-22 | 20180296 | ND |
| 2018-02-05 | 20180455 | ND |
| 2018-02-05 | 20180456 | ND |
| 2018-02-05 | 20180452 | ND |
| 2018-02-05 | 20180453 | ND |
| 2018-02-05 | 20180454 | ND |
| 2018-02-05 | 20180457 | ND |
| 2018-03-20 | 20181073 | ND |
| 2018-03-20 | 20181074 | ND |
| 2018-03-20 | 20181075 | ND |
| 2018-03-20 | 20181076 | ND |
| 2018-04-16 | 20181445 | ND |
| 2018-04-16 | 20181446 | ND |
| 2018-04-16 | 20181448 | ND |
| 2018-04-16 | 20181447 | ND |
| 2018-05-02 | 20181740 | ND |
| 2018-05-02 | 20181741 | ND |
| 2018-05-02 | 20181744 | ND |
| 2018-05-02 | 20181742 | ND |
| 2018-05-02 | 20181743 | ND |
| 2018-06-18 | 20182322 | ND |
| 2018-06-18 | 20182324 | ND |
| 2018-06-18 | 20182325 | ND |
| 2018-06-18 | 20182323 | ND |
| 2018-06-18 | 20182326 | ND |
| 2018-06-18 | 20182327 | ND |
| 2018-07-16 | 20182699 | ND |
| 2018-07-16 | 20182700 | ND |
| 2018-07-16 | 20182701 | ND |
| 2018-08-01 | 20182922 | ND |
| 2018-08-01 | 20182923 | ND |
| 2018-08-01 | 20182920 | ND |
| 2018-08-01 | 20182921 | ND |
| 2018-08-01 | 20182924 | ND |
| 2018-09-05 | 20183429 | ND |
| 2018-09-05 | 20183431 | ND |
| 2018-09-05 | 20183430 | ND |
| 2018-09-05 | 20183432 | ND |
| 2018-10-15 | 20183924 | ND |
| 2018-10-15 | 20183926 | ND |
| 2018-10-15 | 20183925 | ND |
| 2018-12-03 | 8121626-01 | ND |
| 2018-12-03 | 8121626-03 | ND |
| 2018-12-03 | 8121626-02 | ND |
| 2018-12-10 | 8122542-01 | ND |
| 2019-01-21 | 20190220 | ND |
| 2019-02-04 | 20190410 | ND |
| 2019-02-04 | 20190411 | ND |
| 2019-02-04 | 20190409 | ND |
| 2019-02-04 | 20190412 | ND |
| 2019-02-07 | 20190528 | ND |
| 2019-03-04 | 20190828 | ND |
| 2019-03-04 | 20190829 | ND |
| 2019-03-04 | 20190830 | ND |
| 2019-04-17 | 20191516 | ND |
| 2019-04-17 | 20191518 | ND |
| 2019-04-17 | 20191517 | ND |
| 2019-05-02 | 20191674 | ND |
| 2019-05-02 | 20191675 | ND |
| 2019-05-02 | 20191678 | ND |
| 2019-05-02 | 20191676 | ND |
| 2019-05-02 | 20191677 | ND |
| 2019-07-15 | 20192723 | ND |
| 2019-07-15 | 20192724 | ND |
| 2019-07-15 | 20192727 | ND |
| 2019-07-15 | 20192728 | ND |
| 2019-07-15 | 20192725 | ND |
| 2019-07-15 | 20192726 | ND |
| 2019-08-05 | 20192977 | ND |
| 2019-08-05 | 20192978 | ND |
| 2019-08-05 | 20192976 | ND |
| 2019-08-05 | 20192979 | ND |
| 2019-09-04 | 20193493 | ND |
| 2019-09-04 | 20193494 | ND |
| 2019-09-04 | 20193495 | ND |
| 2019-09-04 | 20193496 | ND |
| 2019-10-21 | 20194146 | ND |
| 2019-10-21 | 20194147 | ND |
| 2019-10-21 | 20194148 | ND |
| 2019-11-04 | 20194264 | ND |
| 2019-11-04 | 20194265 | ND |
| 2019-11-04 | 20194267 | ND |
| 2019-11-04 | 20194266 | ND |
| 2019-11-04 | 20194268 | ND |
| 2019-11-04 | 20194269 | ND |
| 2019-12-02 | 20194693 | ND |
| 2019-12-02 | 20194694 | ND |
| 2019-12-02 | 20194696 | ND |
| 2019-12-02 | 20194697 | ND |
| 2019-12-02 | 20194695 | ND |
| 2020-01-20 | 21503061.00 | ND |
| 2020-01-20 | 21503082.00 | ND |
| 2020-01-20 | 21502998.00 | ND |
| 2020-01-20 | 21503019.00 | ND |
| 2020-01-20 | 21503040.00 | ND |
| 2020-02-03 | 21667085.00 | ND |
| 2020-02-03 | 21667106.00 | ND |
| 2020-02-03 | 21667127.00 | ND |
| 2020-03-02 | 21847022.00 | ND |
| 2020-03-02 | 21847043.00 | ND |
| 2020-03-02 | 21847064.00 | ND |
| 2020-03-02 | 21847085.00 | ND |
| 2020-05-05 | 22215275.00 | ND |
| 2020-05-05 | 22215296.00 | ND |
| 2020-05-05 | 22215338.00 | ND |
| 2020-05-05 | 22215359.00 | ND |
| 2020-05-05 | 22215317.00 | ND |
| 2020-06-01 | 22416286.00 | ND |
| 2020-06-01 | 22416307.00 | ND |
| 2020-06-01 | 22416349.00 | ND |
| 2020-06-01 | 22416370.00 | ND |
| 2020-06-01 | 22416328.00 | ND |
| 2020-06-01 | 22416391.00 | ND |
| 2020-07-20 | 22607579.00 | ND |
| 2020-07-20 | 22607600.00 | ND |
| 2020-07-20 | 22607516.00 | ND |
| 2020-07-20 | 22607537.00 | ND |
| 2020-07-20 | 22607558.00 | ND |
| 2020-08-03 | 22608156.00 | ND |
| 2020-08-03 | 22608177.00 | ND |
| 2020-08-03 | 22608198.00 | ND |
| 2020-08-03 | 22608219.00 | ND |
| 2020-09-02 | 22999420.00 | ND |
| 2020-09-02 | 22999441.00 | ND |
| 2020-09-02 | 22999483.00 | ND |
| 2020-09-02 | 22999504.00 | ND |
| 2020-09-02 | 22999462.00 | ND |
| 2020-09-02 | 22999525.00 | ND |
| 2020-10-19 | 23183103.00 | ND |
| 2020-10-19 | 23183124.00 | ND |
| 2020-10-19 | 23183145.00 | ND |
| 2020-11-02 | 23362142.00 | ND |
| 2020-11-02 | 23362163.00 | ND |
| 2020-11-02 | 23362184.00 | ND |
| 2020-11-02 | 23362205.00 | ND |
| 2020-12-02 | 23537604.00 | ND |
| 2020-12-02 | 23537625.00 | ND |
| 2020-12-02 | 23537646.00 | ND |
| 2020-12-02 | 23537667.00 | ND |
| 2021-01-18 | 23712801.00 | ND |
| 2021-01-18 | 23712822.00 | ND |
| 2021-01-18 | 23712780.00 | ND |
| 2021-02-05 | 23888816.00 | ND |
| 2021-02-05 | 23888858.00 | ND |
| 2021-02-05 | 23888837.00 | ND |
| 2021-03-01 | 24060134.00 | ND |
| 2021-03-01 | 24060155.00 | ND |
| 2021-03-01 | 24060176.00 | ND |
| 2021-03-09 | 24060113.00 | ND |
| 2021-04-19 | 24247774.00 | ND |
| 2021-04-19 | 24247795.00 | ND |
| 2021-05-17 | 24438767.00 | ND |
| 2021-05-17 | 24438788.00 | ND |
| 2021-05-17 | 24438809.00 | ND |
| 2021-06-02 | 24638238.00 | ND |
| 2021-06-02 | 24638259.00 | ND |
| 2021-06-02 | 24638280.00 | ND |
| 2021-06-02 | 24638301.00 | ND |
| 2021-07-21 | 24829610.00 | ND |
| 2021-07-21 | 24829631.00 | ND |
| 2021-07-21 | 24829548.00 | ND |
| 2021-07-21 | 24829569.00 | ND |
| 2021-07-21 | 24829589.00 | ND |
| 2021-08-03 | 24829653.00 | ND |
| 2021-08-03 | 24829674.00 | ND |
| 2021-08-03 | 24829695.00 | ND |
| 2021-08-03 | 24829737.00 | ND |
| 2021-08-03 | 24829716.00 | ND |
| 2021-09-08 | 25220387.00 | ND |
| 2021-09-08 | 25220408.00 | ND |
| 2021-09-08 | 25220429.00 | ND |
| 2021-10-18 | 25405354.00 | ND |
| 2021-10-19 | 25405333.00 | ND |
| 2021-10-19 | 25405375.00 | ND |
| 2021-10-19 | 25405396.00 | ND |
| 2021-11-01 | 25588164.00 | ND |
| 2021-12-06 | 25764730.00 | ND |
| 2022-01-17 | 25942750.00 | ND |
| 2022-01-17 | 25942771.00 | ND |
| 2022-01-17 | 25942729.00 | ND |
| 2022-01-17 | 25942792.00 | ND |
| 2022-02-09 | 26117641.00 | ND |
| 2022-02-09 | 26117662.00 | ND |
| 2022-02-09 | 26117683.00 | ND |
| 2022-02-09 | 26117704.00 | ND |
| 2022-03-02 | 26287453.00 | ND |
| 2022-05-04 | 26648505.00 | ND |
| 2022-05-04 | 26648526.00 | ND |
| 2022-05-04 | 26648547.00 | ND |
| 2022-05-16 | 26649191.00 | ND |
| 2022-05-16 | 26649212.00 | ND |
| 2022-05-16 | 26649233.00 | ND |
| 2022-06-06 | 26842866.00 | ND |
| 2022-07-20 | 27037775.00 | ND |
| 2022-08-03 | 27234066.00 | ND |
| 2022-08-03 | 27234087.00 | ND |
| 2022-08-03 | 27234045.00 | ND |
| 2022-08-03 | 27234108.00 | ND |
| 2022-10-17 | 27641625.00 | ND |
| 2022-10-17 | 27641646.00 | ND |
| 2022-10-17 | 27641667.00 | ND |
| 2022-11-02 | 27823015.00 | ND |
| 2022-12-05 | 27998852.00 | ND |
| 2023-01-18 | 28172963.00 | ND |
| 2023-01-18 | 28172984.00 | ND |
| 2023-01-18 | 28172942.00 | ND |
| 2023-01-19 | 28173005.00 | ND |
| 2023-02-02 | 28349547.00 | ND |
| 2023-03-06 | 28521269.00 | ND |
| 2023-03-06 | 28521290.00 | ND |
| 2023-04-12 | 28702334.00 | ND |
| 2023-06-21 | 29108545.00 | ND |
| 2023-07-19 | 29302138.00 | ND |
| 2023-07-19 | 29302159.00 | ND |
| 2023-07-19 | 29302117.00 | ND |
| 2023-08-02 | 29497564.00 | ND |
| 2023-09-13 | 29700126.00 | ND |
| 2023-09-13 | 29700147.00 | ND |
| 2023-10-12 | 29886779.00 | ND |
| 2023-11-01 | 30071598.00 | ND |
| 2023-12-04 | 30245968.00 | ND |