Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

City of Brady Water System

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND70ND
2020ND30ND
2021ND30ND
2022ND50ND
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
2018-02-20AE14781ND
2018-02-20AE14767ND
2018-08-01AE35602ND
2019-02-20AE55314ND
2019-02-20AE55316ND
2019-02-20AE55320ND
2019-02-20AE55322ND
2019-04-15AE62548ND
2019-04-15AE62550ND
2019-07-15AE74670ND
2020-02-26AF00264ND
2020-02-26AF00268ND
2020-02-26AF00262ND
2021-01-13AF39504ND
2021-01-13AF39520ND
2021-01-13AF39530ND
2022-06-14AG00840ND
2022-06-14AG00842ND
2022-06-14AG00844ND
2022-08-04AG07863ND
2022-08-04AG07865ND
2023-01-19AG25278ND
2023-01-19AG25284ND