Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Shreveport 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND50ND
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

Date Lab ID Result
2018-01-0835367518001ND
2018-01-0835367518001ND
2019-02-1835449627001ND
2019-02-1835449627001ND
2019-07-2535485236001ND
2019-07-2535485236001ND
2020-03-1635538199001ND
2020-10-3035588751001ND
2020-10-3035588751002ND
2020-10-3035588751003ND
2020-10-3035588751004ND
2021-01-0435602182001ND
2022-01-2735693462009ND
2023-01-3035776976001ND