Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Otwell Water Corporation

NOTE: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Patoka Lake Regional Water.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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: Otwell Water Corporation purchases water from Patoka Lake Regional Water which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Patoka Lake Regional Water.

Date Lab ID Result
2018-08-08425304RV-1803ND
2019-08-27463440RV-1903ND
2020-06-094645714ND
2021-07-274966013ND
2022-08-091-810-33419-1_INND
2023-08-171-810-74525-1_INND