Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

White River Municipal Water District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-04-24Q1816513004ND
2018-07-17Q1828234002ND
2019-05-01Q1917590004ND
2019-08-06Q1951422001ND
2020-09-15Q2036516006ND
2020-09-15Q2036516008ND
2021-08-11Q2121422005ND
2021-08-11Q2121422007ND
2022-06-02Q2215628001ND
2022-09-06Q2226331001ND
2023-08-17Q2334682003ND
2023-08-17Q2334682005ND