Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Rivervine Subdivision

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-09-29V1438535ND
2014-12-31V1451399ND
2015-03-31V1512119ND
2015-06-30V1526379ND
2016-12-31V1659274ND
2017-12-30V1760430ND
2018-12-31V1863499ND