Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Othello Water 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020N/A00N/A
2021ND50ND
2022ND80ND
2023ND20ND

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
2018-12-13ND
2019-06-18ND
2019-07-08ND
2021-03-314102279ND
2021-08-114169236ND
2021-08-114169108ND
2021-10-134202782ND
2021-10-134202781ND
2022-03-154263100ND
2022-06-024298828ND
2022-06-084298813ND
2022-06-084298812ND
2022-08-084335854ND
2022-09-064364651ND
2022-09-064364663ND
2022-10-064364641ND
2023-04-174448578ND
2023-06-124499780ND