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EWG's Tap Water Database — 2019 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.

 

167

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND340ND
2013ND280ND
2014ND140ND
2015ND350ND
2016ND270ND
2017ND290ND

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
2012-01-112A11054ND
2012-01-112A11055ND
2012-01-112A11054ND
2012-02-162B16056ND
2012-02-162B16062ND
2012-02-162B16056ND
2012-03-152C15113ND
2012-03-152C15114ND
2012-03-152C15113ND
2012-04-102D10034ND
2012-04-102D10032ND
2012-04-102D10034ND
2012-05-162E16047ND
2012-05-162E16052ND
2012-06-132F13082ND
2012-06-132F13085ND
2012-07-182G18164ND
2012-07-182G18165ND
2012-07-182G18164ND
2012-08-142H14056ND
2012-08-142H14056ND
2012-08-142H14056ND
2012-09-132I14008ND
2012-09-132I14008ND
2012-09-132I14008ND
2012-10-102J11011ND
2012-10-102J11013ND
2012-10-102J11011ND
2012-11-142K14103ND
2012-11-142K14103ND
2012-11-142K14103ND
2012-12-122L12132ND
2012-12-122L12141ND
2012-12-122L12132ND
2013-01-163A16080ND
2013-01-163A16077ND
2013-02-133B13070ND
2013-02-133B13069ND
2013-03-143C14062ND
2013-03-143C14067ND
2013-04-163D16078ND
2013-04-163D16079ND
2013-05-143E14110ND
2013-05-143E14111ND
2013-06-193F19020ND
2013-06-193F19038ND
2013-06-283F28065ND
2013-07-163G16031ND
2013-07-163G16034ND
2013-08-143H14065ND
2013-08-143H14088ND
2013-09-183I18061ND
2013-09-183I18062ND
2013-09-183I18061ND
2013-10-163J16032ND
2013-10-163J16040ND
2013-10-163J16032ND
2013-11-193K19048-06ND
2013-11-193K19040-06ND
2013-12-123L12046-07ND
2013-12-123L12104-06ND
2013-12-123L12046-06ND
2014-01-234A23025-07ND
2014-01-234A23033-06ND
2014-01-234A23025-06ND
2014-02-204B20042-07ND
2014-02-204B20041-07ND
2014-02-204B20042-06ND
2014-03-114C11016-07ND
2014-03-114C11027-07ND
2014-03-114C11016-06ND
2014-04-094D09031-01ND
2014-04-094D09036-01ND
2014-04-094D09037-01ND
2014-06-114F11107-05ND
2014-06-114F11107-04ND
2015-01-2113561237ND
2015-01-2113561270ND
2015-01-2113561238ND
2015-02-1713561321ND
2015-02-1713561291ND
2015-02-1713561322ND
2015-03-1713561363ND
2015-03-1713561364ND
2015-03-1813561396ND
2015-04-2813561427ND
2015-04-2813561426ND
2015-05-2013561489ND
2015-05-2013561459ND
2015-05-2013561490ND
2015-06-1713561552ND
2015-06-1713561522ND
2015-06-1713561553ND
2015-07-1413561594ND
2015-07-1413561627ND
2015-07-1413561595ND
2015-08-1213561679ND
2015-08-1213561648ND
2015-08-1213561678ND
2015-09-1613561741ND
2015-09-1613561711ND
2015-09-1613561742ND
2015-10-1513561783ND
2015-10-1513561816ND
2015-10-1513561784ND
2015-11-1113561183ND
2015-11-1113561159ND
2015-11-1113561207ND
2015-12-1013681476ND
2015-12-1013681512ND
2015-12-1013681477ND
2016-01-2613801551ND
2016-01-2613801503ND
2016-01-2613801527ND
2016-02-2313917101ND
2016-02-2313917065ND
2016-02-2313917102ND
2016-03-1614032224ND
2016-03-1614032201ND
2016-03-1614032178ND
2016-04-2014163587ND
2016-04-2014163551ND
2016-04-2014163588ND
2016-05-1814312895ND
2016-05-1814312931ND
2016-05-1814312896ND
2016-06-2114471220ND
2016-06-2114471257ND
2016-06-2114471221ND
2016-07-1914636462ND
2016-07-1914636424ND
2016-07-1914636463ND
2016-08-2314804531ND
2016-08-2314804481ND
2016-08-2314804506ND
2016-09-2814975878ND
2016-09-2814975915ND
2016-09-2814975879ND
2017-01-1715573234ND
2017-01-1715573235ND
2017-01-1815573196ND
2017-02-2315709647ND
2017-02-2315709648ND
2017-03-1315850534ND
2017-03-2315850701ND
2017-03-2815850829ND
2017-04-1816001577ND
2017-04-1816001578ND
2017-06-2816321145ND
2017-07-1216473288ND
2017-07-1216473361ND
2017-07-1216473362ND
2017-07-1216473363ND
2017-07-1216473364ND
2017-07-1216473365ND
2017-07-1216473366ND
2017-08-0316629363ND
2017-09-2016787334ND
2017-10-3116937426ND
2017-11-2617077278ND
2017-11-2617077279ND
2017-11-2617077280ND
2017-11-2617077281ND
2017-11-2617077282ND
2017-11-2617077283ND
2017-11-3017077365ND
2017-12-1917217473ND