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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Hudson City

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016ND20ND
2017ND10ND
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
2014-01-21JH1400420ND
2014-03-05JH1401570ND
2014-07-23JH14-POCSND
2015-01-21JH1500410ND
2015-11-13JH1507250ND
2016-02-22JH1601237-POCSND
2016-08-23JH1607355-POCSND
2017-04-05JH1702374-POCND
2018-01-22JH1800450ND
2019-01-31JH1900551ND