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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Penn State Univ.

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.

MORE ABOUT THIS CONTAMINANT

 

71

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015ND70ND
2016ND240ND
2017ND130ND
2018ND90ND
2019ND40ND

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
2014-01-234A23025-06ND
2014-01-234A23025-07ND
2014-01-234A23033-06ND
2014-02-204B20042-07ND
2014-02-204B20042-06ND
2014-02-204B20041-07ND
2014-03-114C11016-07ND
2014-03-114C11027-07ND
2014-03-114C11016-06ND
2014-04-094D09031-01ND
2014-04-094D09037-01ND
2014-04-094D09036-01ND
2014-06-114F11107-04ND
2014-06-114F11107-05ND
2015-01-2113561270ND
2015-11-1113561207ND
2015-11-1113561159ND
2015-11-1113561183ND
2015-12-1013681477ND
2015-12-1013681512ND
2015-12-1013681476ND
2016-02-2313917102ND
2016-02-2313917065ND
2016-02-2313917101ND
2016-03-1614032201ND
2016-03-1614032224ND
2016-03-1614032178ND
2016-04-2014163587ND
2016-04-2014163588ND
2016-04-2014163551ND
2016-05-1814312895ND
2016-05-1814312896ND
2016-05-1814312931ND
2016-06-2114471220ND
2016-06-2114471221ND
2016-06-2114471257ND
2016-07-1914636463ND
2016-07-1914636462ND
2016-07-1914636424ND
2016-08-2314804506ND
2016-08-2314804481ND
2016-08-2314804531ND
2016-09-2814975879ND
2016-09-2814975878ND
2016-09-2814975915ND
2017-01-1715573235ND
2017-01-1715573234ND
2017-01-1815573196ND
2017-02-2315709648ND
2017-02-2315709647ND
2017-03-2315850701ND
2017-03-2815850829ND
2017-04-1816001578ND
2017-04-1816001577ND
2017-07-1216473288ND
2017-08-0316629363ND
2017-10-3116937426ND
2017-11-3017077365ND
2018-01-318A31018-01ND
2018-02-208B21092-08ND
2018-02-228B23070-07ND
2018-04-118D12138-07ND
2018-04-268D27100-10ND
2018-06-018F01151-05ND
2018-07-118G12180-04ND
2018-08-018H02080-01ND
2018-10-048J05241-01ND
2019-02-219B22087-01ND
2019-05-099E13165-01ND
2019-08-149H15241-01ND
2019-10-249J28033-01ND