Know Your Environment. Protect Your Health.

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

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND130ND
2020ND230ND
2021ND180ND
2022ND180ND
2023ND150ND

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
2018-01-30AF74813ND
2018-01-30AF74814ND
2018-02-13AF75932ND
2018-03-23AF79016ND
2018-06-22AF86999ND
2018-08-30AF94269ND
2018-10-03AF96985ND
2018-12-27AG04620ND
2019-02-11AG07773ND
2019-02-11AG07771ND
2019-02-11AG07775ND
2019-02-11AG07772ND
2019-02-27AG09179ND
2019-04-11AG13046ND
2019-04-11AG13047ND
2019-05-09AG16016ND
2019-05-09AG16019ND
2019-05-23AG16891ND
2019-08-21AG28299ND
2019-09-18AG31925ND
2019-09-18AG31924ND
2020-01-1621502663.00ND
2020-01-1621502642.00ND
2020-01-1621502621.00ND
2020-01-1621502600.00ND
2020-03-1221846186.00ND
2020-03-1221846165.00ND
2020-03-1221846144.00ND
2020-03-1221846123.00ND
2020-03-1221846102.00ND
2020-04-0822021664.00ND
2020-04-0822021622.00ND
2020-04-0822021601.00ND
2020-04-0822021643.00ND
2020-05-2022214506.00ND
2020-05-2022214485.00ND
2020-07-2222607040.00ND
2020-07-2222607019.00ND
2020-07-2222607061.00ND
2020-07-2222606998.00ND
2020-10-2123181847.00ND
2020-10-2123181826.00ND
2020-10-2123181784.00ND
2020-10-2123181805.00ND
2021-01-0623888204.00ND
2021-01-0623888183.00ND
2021-01-0623888141.00ND
2021-01-0623888162.00ND
2021-05-1324438533.00ND
2021-05-1324438512.00ND
2021-05-1324438491.00ND
2021-05-1324438470.00ND
2021-07-0824828069.00ND
2021-07-2124828174.00ND
2021-07-2124828237.00ND
2021-07-2124828216.00ND
2021-07-2124828195.00ND
2021-07-2925022387.00ND
2021-09-2925220232.00ND
2021-10-0725403892.00ND
2021-10-1325403907.00ND
2021-10-2725403937.00ND
2022-01-0526117092.00ND
2022-01-1226117050.00ND
2022-01-1226117071.00ND
2022-02-1026117149.00ND
2022-02-1726117029.00ND
2022-02-2426117126.00ND
2022-04-0626463506.00ND
2022-04-2026463548.00ND
2022-04-2026463569.00ND
2022-04-2026463527.00ND
2022-07-0727037102.00ND
2022-07-1327037081.00ND
2022-07-1327037060.00ND
2022-07-1427037039.00ND
2022-11-0227822993.00ND
2022-11-0927822930.00ND
2022-11-1027822951.00ND
2022-11-1027822972.00ND
2023-01-1828172704.00ND
2023-01-1928172683.00ND
2023-01-2628172725.00ND
2023-01-2628172746.00ND
2023-04-1228702135.00ND
2023-04-2628702177.00ND
2023-04-2628702198.00ND
2023-04-2628702114.00ND
2023-04-2628702156.00ND
2023-07-2729301890.00ND
2023-07-2729301869.00ND
2023-07-2729301911.00ND
2023-10-1929886669.00ND
2023-10-1929886648.00ND
2023-10-1929886627.00ND