Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Lafourche Water District 1

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
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
2018-01-2535370415009ND
2018-01-2535370415009ND
2019-01-2935445082001ND
2019-01-2935445082001ND
2019-02-1835449374001ND
2019-02-1835449374001ND
2020-01-2235526013001ND
2020-01-2235526013002ND
2021-03-1135619276001ND
2021-03-1135619285001ND
2022-03-0235701429001ND
2022-03-0235701432001ND
2023-02-2735782418001ND
2023-03-2735789305001ND