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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Aqua Pennsylvania Main System

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

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
2019ND250ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 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
2015-01-0512290035ND
2015-01-0712289940ND
2015-01-0712290051ND
2015-01-0712290071ND
2015-01-0712290093ND
2015-01-0812289966ND
2015-01-0812289976ND
2015-01-2212289919ND
2015-01-2312290015ND
2015-02-0312405396ND
2015-02-0312405522ND
2015-02-0412405354ND
2015-02-0412405375ND
2015-02-0412405417ND
2015-02-0412405438ND
2015-02-0412405459ND
2015-02-0412405480ND
2015-02-0412405501ND
2015-04-0612636855ND
2015-04-2212636876ND
2015-04-2312636813ND
2015-04-2912636834ND
2015-06-0312885162ND
2015-06-0412885141ND
2015-07-2013016806ND
2015-07-2213016572ND
2015-07-2213016593ND
2015-07-2313016530ND
2015-07-2313016551ND
2015-08-0513138444ND
2015-09-3013267559ND
2015-10-2113392020ND
2015-10-2213391957ND
2015-10-2213391978ND
2015-10-2213391999ND
2015-11-0213516758ND
2015-11-2313517513ND
2016-01-0613756197ND
2016-01-0613756218ND
2016-01-0613756302ND
2016-01-1113756155ND
2016-01-2013756134ND
2016-01-2013756176ND
2016-01-2113756071ND
2016-01-2113756092ND
2016-01-2113756113ND
2016-01-2813756239ND
2016-01-2813756260ND
2016-01-2813756281ND
2016-02-0513872910ND
2016-02-1013872931ND
2016-03-0313989324ND
2016-03-1513989366ND
2016-03-1713989345ND
2016-03-1813989387ND
2016-04-1114107126ND
2016-04-1114107147ND
2016-04-1114107168ND
2016-04-1114107210ND
2016-04-1114107231ND
2016-04-1414107189ND
2016-07-2914573687ND
2016-08-0214739166ND
2016-08-0414739106ND
2016-08-0414739133ND
2016-08-0414739148ND
2016-10-2415079385ND
2016-10-2415079406ND
2016-10-2415079427ND
2016-11-0715229341ND
2016-11-2115229362ND
2016-12-0115229906ND
2017-01-0315521169ND
2017-01-1615521211ND
2017-01-1815521106ND
2017-01-1815521127ND
2017-01-1815521190ND
2017-01-2415521148ND
2017-03-2815800258ND
2017-03-2915800279ND
2017-04-0315942276ND
2017-04-1215942318ND
2017-04-1715942213ND
2017-04-1715942234ND
2017-04-1915942255ND
2017-04-1915942297ND
2017-06-1916262178ND
2017-06-2016262199ND
2017-06-2016262220ND
2017-06-2116262241ND
2017-08-0716571176ND
2017-09-1516730768ND
2017-09-1816730705ND
2017-09-1816731939ND
2017-09-1916730726ND
2017-09-1916730747ND
2017-09-1916731855ND
2017-09-2016731876ND
2017-09-2016731897ND
2017-09-2016731918ND
2017-09-2716883579ND
2017-12-2017165319ND
2017-12-2117165333ND
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
2019-01-28AG07059ND
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
2019-04-08AG13312ND
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