Know Your Environment. Protect Your Health.

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

 
YearAverage resultSamples takenDetectionsRange of results
2018ND480ND
2019ND450ND
2020ND490ND
2021ND380ND
2022ND260ND
2023ND180ND

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
2018-01-2220180293ND
2018-01-2220180294ND
2018-01-2220180295ND
2018-01-2220180296ND
2018-02-0520180455ND
2018-02-0520180456ND
2018-02-0520180452ND
2018-02-0520180453ND
2018-02-0520180454ND
2018-02-0520180457ND
2018-03-2020181073ND
2018-03-2020181074ND
2018-03-2020181075ND
2018-03-2020181076ND
2018-04-1620181445ND
2018-04-1620181446ND
2018-04-1620181448ND
2018-04-1620181447ND
2018-05-0220181740ND
2018-05-0220181741ND
2018-05-0220181744ND
2018-05-0220181742ND
2018-05-0220181743ND
2018-06-1820182322ND
2018-06-1820182324ND
2018-06-1820182325ND
2018-06-1820182323ND
2018-06-1820182326ND
2018-06-1820182327ND
2018-07-1620182699ND
2018-07-1620182700ND
2018-07-1620182701ND
2018-08-0120182922ND
2018-08-0120182923ND
2018-08-0120182920ND
2018-08-0120182921ND
2018-08-0120182924ND
2018-09-0520183429ND
2018-09-0520183431ND
2018-09-0520183430ND
2018-09-0520183432ND
2018-10-1520183924ND
2018-10-1520183926ND
2018-10-1520183925ND
2018-12-038121626-01ND
2018-12-038121626-03ND
2018-12-038121626-02ND
2018-12-108122542-01ND
2019-01-2120190220ND
2019-02-0420190410ND
2019-02-0420190411ND
2019-02-0420190409ND
2019-02-0420190412ND
2019-02-0720190528ND
2019-03-0420190828ND
2019-03-0420190829ND
2019-03-0420190830ND
2019-04-1720191516ND
2019-04-1720191518ND
2019-04-1720191517ND
2019-05-0220191674ND
2019-05-0220191675ND
2019-05-0220191678ND
2019-05-0220191676ND
2019-05-0220191677ND
2019-07-1520192723ND
2019-07-1520192724ND
2019-07-1520192727ND
2019-07-1520192728ND
2019-07-1520192725ND
2019-07-1520192726ND
2019-08-0520192977ND
2019-08-0520192978ND
2019-08-0520192976ND
2019-08-0520192979ND
2019-09-0420193493ND
2019-09-0420193494ND
2019-09-0420193495ND
2019-09-0420193496ND
2019-10-2120194146ND
2019-10-2120194147ND
2019-10-2120194148ND
2019-11-0420194264ND
2019-11-0420194265ND
2019-11-0420194267ND
2019-11-0420194266ND
2019-11-0420194268ND
2019-11-0420194269ND
2019-12-0220194693ND
2019-12-0220194694ND
2019-12-0220194696ND
2019-12-0220194697ND
2019-12-0220194695ND
2020-01-2021503061.00ND
2020-01-2021503082.00ND
2020-01-2021502998.00ND
2020-01-2021503019.00ND
2020-01-2021503040.00ND
2020-02-0321667085.00ND
2020-02-0321667106.00ND
2020-02-0321667127.00ND
2020-03-0221847022.00ND
2020-03-0221847043.00ND
2020-03-0221847064.00ND
2020-03-0221847085.00ND
2020-05-0522215275.00ND
2020-05-0522215296.00ND
2020-05-0522215338.00ND
2020-05-0522215359.00ND
2020-05-0522215317.00ND
2020-06-0122416286.00ND
2020-06-0122416307.00ND
2020-06-0122416349.00ND
2020-06-0122416370.00ND
2020-06-0122416328.00ND
2020-06-0122416391.00ND
2020-07-2022607579.00ND
2020-07-2022607600.00ND
2020-07-2022607516.00ND
2020-07-2022607537.00ND
2020-07-2022607558.00ND
2020-08-0322608156.00ND
2020-08-0322608177.00ND
2020-08-0322608198.00ND
2020-08-0322608219.00ND
2020-09-0222999420.00ND
2020-09-0222999441.00ND
2020-09-0222999483.00ND
2020-09-0222999504.00ND
2020-09-0222999462.00ND
2020-09-0222999525.00ND
2020-10-1923183103.00ND
2020-10-1923183124.00ND
2020-10-1923183145.00ND
2020-11-0223362142.00ND
2020-11-0223362163.00ND
2020-11-0223362184.00ND
2020-11-0223362205.00ND
2020-12-0223537604.00ND
2020-12-0223537625.00ND
2020-12-0223537646.00ND
2020-12-0223537667.00ND
2021-01-1823712801.00ND
2021-01-1823712822.00ND
2021-01-1823712780.00ND
2021-02-0523888816.00ND
2021-02-0523888858.00ND
2021-02-0523888837.00ND
2021-03-0124060134.00ND
2021-03-0124060155.00ND
2021-03-0124060176.00ND
2021-03-0924060113.00ND
2021-04-1924247774.00ND
2021-04-1924247795.00ND
2021-05-1724438767.00ND
2021-05-1724438788.00ND
2021-05-1724438809.00ND
2021-06-0224638238.00ND
2021-06-0224638259.00ND
2021-06-0224638280.00ND
2021-06-0224638301.00ND
2021-07-2124829610.00ND
2021-07-2124829631.00ND
2021-07-2124829548.00ND
2021-07-2124829569.00ND
2021-07-2124829589.00ND
2021-08-0324829653.00ND
2021-08-0324829674.00ND
2021-08-0324829695.00ND
2021-08-0324829737.00ND
2021-08-0324829716.00ND
2021-09-0825220387.00ND
2021-09-0825220408.00ND
2021-09-0825220429.00ND
2021-10-1825405354.00ND
2021-10-1925405333.00ND
2021-10-1925405375.00ND
2021-10-1925405396.00ND
2021-11-0125588164.00ND
2021-12-0625764730.00ND
2022-01-1725942750.00ND
2022-01-1725942771.00ND
2022-01-1725942729.00ND
2022-01-1725942792.00ND
2022-02-0926117641.00ND
2022-02-0926117662.00ND
2022-02-0926117683.00ND
2022-02-0926117704.00ND
2022-03-0226287453.00ND
2022-05-0426648505.00ND
2022-05-0426648526.00ND
2022-05-0426648547.00ND
2022-05-1626649191.00ND
2022-05-1626649212.00ND
2022-05-1626649233.00ND
2022-06-0626842866.00ND
2022-07-2027037775.00ND
2022-08-0327234066.00ND
2022-08-0327234087.00ND
2022-08-0327234045.00ND
2022-08-0327234108.00ND
2022-10-1727641625.00ND
2022-10-1727641646.00ND
2022-10-1727641667.00ND
2022-11-0227823015.00ND
2022-12-0527998852.00ND
2023-01-1828172963.00ND
2023-01-1828172984.00ND
2023-01-1828172942.00ND
2023-01-1928173005.00ND
2023-02-0228349547.00ND
2023-03-0628521269.00ND
2023-03-0628521290.00ND
2023-04-1228702334.00ND
2023-06-2129108545.00ND
2023-07-1929302138.00ND
2023-07-1929302159.00ND
2023-07-1929302117.00ND
2023-08-0229497564.00ND
2023-09-1329700126.00ND
2023-09-1329700147.00ND
2023-10-1229886779.00ND
2023-11-0130071598.00ND
2023-12-0430245968.00ND