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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Aqua Pennsylvania 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.

MORE ABOUT THIS CONTAMINANT

 

182

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
2014ND330ND
2015ND370ND
2016ND350ND
2017ND310ND
2018ND210ND
20190.0400 ppb252ND - 0.500 ppb

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
2014-01-06AE19666ND
2014-01-08AE19654ND
2014-01-08AE19653ND
2014-01-09AE19808ND
2014-01-09AE19814ND
2014-02-05AE22406ND
2014-02-06AE22395ND
2014-02-06AE22429ND
2014-02-19AE24127ND
2014-02-19AE24128ND
2014-02-19AE24152ND
2014-02-26AE23735ND
2014-04-14AE29526ND
2014-04-15AE29528ND
2014-04-15AE29507ND
2014-04-23AE29939ND
2014-04-23AE29914ND
2014-04-23AE29839ND
2014-04-23AE29840ND
2014-04-23AE29916ND
2014-04-24AE29947ND
2014-04-24AE29952ND
2014-07-21AE41025ND
2014-07-23AE41635ND
2014-07-23AE40895ND
2014-07-24AE40881ND
2014-07-24AE40886ND
2014-10-22AE53545ND
2014-10-22AE53537ND
2014-10-23AE53645ND
2014-10-23AE53646ND
2014-12-11AE59777ND
2014-12-29AE61209ND
2015-01-0512290029ND
2015-01-0712289943ND
2015-01-0712290058ND
2015-01-0712290065ND
2015-01-0712290090ND
2015-01-0812289973ND
2015-01-0812289995ND
2015-01-2212289922ND
2015-01-2312290003ND
2015-02-0312405399ND
2015-02-0312405525ND
2015-02-0412405357ND
2015-02-0412405378ND
2015-02-0412405420ND
2015-02-0412405441ND
2015-02-0412405462ND
2015-02-0412405483ND
2015-02-0412405504ND
2015-04-0612636858ND
2015-04-2212636879ND
2015-04-2312636816ND
2015-04-2912636837ND
2015-06-0312885165ND
2015-06-0412885144ND
2015-07-2013016809ND
2015-07-2213016575ND
2015-07-2213016596ND
2015-07-2313016533ND
2015-07-2313016554ND
2015-08-0513138447ND
2015-09-3013267562ND
2015-10-2113392023ND
2015-10-2213391960ND
2015-10-2213391981ND
2015-10-2213392002ND
2015-11-0213516761ND
2015-11-2313517516ND
2016-01-0613756200ND
2016-01-0613756221ND
2016-01-0613756305ND
2016-01-1113756158ND
2016-01-2013756137ND
2016-01-2013756179ND
2016-01-2113756074ND
2016-01-2113756095ND
2016-01-2113756116ND
2016-01-2813756242ND
2016-01-2813756263ND
2016-01-2813756284ND
2016-02-0513872913ND
2016-02-1013872934ND
2016-03-0313989327ND
2016-03-1513989369ND
2016-03-1713989348ND
2016-03-1813989390ND
2016-04-1114107129ND
2016-04-1114107150ND
2016-04-1114107171ND
2016-04-1114107213ND
2016-04-1114107234ND
2016-04-1414107192ND
2016-07-2914573690ND
2016-08-0214739170ND
2016-08-0414739115ND
2016-08-0414739126ND
2016-08-0414739145ND
2016-10-2415079388ND
2016-10-2415079409ND
2016-10-2415079430ND
2016-11-0715229344ND
2016-11-2115229365ND
2016-12-0115229909ND
2017-01-0315521172ND
2017-01-1615521214ND
2017-01-1815521109ND
2017-01-1815521130ND
2017-01-1815521193ND
2017-01-2415521151ND
2017-03-2815800261ND
2017-03-2915800282ND
2017-04-0315942279ND
2017-04-1215942321ND
2017-04-1715942216ND
2017-04-1715942237ND
2017-04-1915942258ND
2017-04-1915942300ND
2017-06-1916262181ND
2017-06-2016262202ND
2017-06-2016262223ND
2017-06-2116262244ND
2017-08-0716571179ND
2017-09-1516730771ND
2017-09-1816730708ND
2017-09-1816731942ND
2017-09-1916730729ND
2017-09-1916730750ND
2017-09-1916731858ND
2017-09-2016731879ND
2017-09-2016731900ND
2017-09-2016731921ND
2017-09-2716883582ND
2017-12-2017165324ND
2017-12-2117165337ND
2018-01-17AF74387ND
2018-01-29AF74797ND
2018-01-29AF74445ND
2018-01-29AF74447ND
2018-01-29AF74446ND
2018-01-29AF74448ND
2018-01-31AF74434ND
2018-01-31AF74435ND
2018-01-31AF74433ND
2018-01-31AF74431ND
2018-01-31AF74442ND
2018-01-31AF74441ND
2018-02-22AF74432ND
2018-02-26AF77278ND
2018-02-27AF77311ND
2018-02-27AF76921ND
2018-02-28AF77455ND
2018-02-28AF77456ND
2018-02-28AF77467ND
2018-03-26AF79915ND
2018-11-16AG01115ND
2019-01-28AG070590.500 ppb
2019-01-29AG07266ND
2019-03-04AG10320ND
2019-03-04AG10261ND
2019-03-06AG10532ND
2019-03-06AG10533ND
2019-03-06AG10552ND
2019-03-11AG10450ND
2019-03-13AG10482ND
2019-03-19AG10263ND
2019-03-19AG10265ND
2019-03-19AG10264ND
2019-03-26AG12576ND
2019-04-08AG133120.500 ppb
2019-04-08AG13600ND
2019-04-10AG12918ND
2019-04-24AG14544ND
2019-04-24AG14546ND
2019-05-06AG16471ND
2019-05-07AG16502ND
2019-05-30AG18878ND
2019-06-19AG20510ND
2019-10-16AG35352ND
2019-10-18AG36414ND
2019-10-23AG36111ND