Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Town of Rising Sun

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Chester 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND20ND
2022ND30ND
2023ND30ND

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: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Chester Water Authority.

Date Lab ID Result
2018-01-092287664001ND
2018-05-158012319-01ND
2018-07-128020049-01ND
2019-07-103044796001ND
2020-02-0321499844.00ND
2020-05-0122019666.00ND
2020-07-0122412584.00ND
2021-04-0924244255.00ND
2021-07-2824825583.00ND
2022-04-2926461092.00ND
2022-08-0927230377.00ND
2022-11-0827819916.00ND
2023-07-1229299134.00ND
2023-11-0830068050.00ND
2023-11-1530068555.00ND