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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

JBMDL-Dix Main 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
2013N/A00N/A
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND10ND
2019ND10ND

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
2014-04-1514-1905ND
2014-05-0614-2228ND
2014-05-0614-2227ND
2015-04-15A18808ND
2015-04-15A18809ND
2015-04-15A18810ND
2016-08-10A22205ND
2016-08-10A22204ND
2016-08-10A22203ND
2017-04-12A23785ND
2017-04-12A23770ND
2017-04-12A23771ND
2018-04-11A26103ND
2019-04-10A28425ND