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EWG's Tap Water Database — 2021 UPDATE

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Ethylbenzene

Aqua Pennsylvania Main System

Ethylbenzene, a component of petroleum, is a volatile cancer-causing chemical primarily used for production of plastics and rubber. Ethylbenzene is also released from gasoline fuel emissions. Read More.

In animal studies, exposure to ethylbenzene causes tumors. Ethylbenzene can also damage lungs, liver, kidneys and the nervous system. The International Agency for Research on Cancer classifies ethylbenzene as “possibly carcinogenic to humans.”

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

EWG Health Guideline 300 ppb

The EWG Health Guideline of 300 ppb for ethylbenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 700 ppb

The legal limit for ethylbenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1950s.

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
2015-01-0512290018ND
2015-01-0712289952ND
2015-01-0712290046ND
2015-01-0712290066ND
2015-01-0712290087ND
2015-01-0812289961ND
2015-01-0812289985ND
2015-01-2212289931ND
2015-01-2312289996ND
2015-02-0312405408ND
2015-02-0312405534ND
2015-02-0412405366ND
2015-02-0412405387ND
2015-02-0412405429ND
2015-02-0412405450ND
2015-02-0412405471ND
2015-02-0412405492ND
2015-02-0412405513ND
2015-04-0612636867ND
2015-04-2212636888ND
2015-04-2312636825ND
2015-04-2912636846ND
2015-06-0312885174ND
2015-06-0412885153ND
2015-07-2013016818ND
2015-07-2213016584ND
2015-07-2213016605ND
2015-07-2313016542ND
2015-07-2313016563ND
2015-08-0513138456ND
2015-09-3013267571ND
2015-10-2113392032ND
2015-10-2213391969ND
2015-10-2213391990ND
2015-10-2213392011ND
2015-11-0213516770ND
2015-11-2313517525ND
2016-01-0613756209ND
2016-01-0613756230ND
2016-01-0613756314ND
2016-01-1113756167ND
2016-01-2013756146ND
2016-01-2013756188ND
2016-01-2113756083ND
2016-01-2113756104ND
2016-01-2113756125ND
2016-01-2813756251ND
2016-01-2813756272ND
2016-01-2813756293ND
2016-02-0513872922ND
2016-02-1013872943ND
2016-03-0313989336ND
2016-03-1513989378ND
2016-03-1713989357ND
2016-03-1813989399ND
2016-04-1114107138ND
2016-04-1114107159ND
2016-04-1114107180ND
2016-04-1114107222ND
2016-04-1114107243ND
2016-04-1414107201ND
2016-07-2914573699ND
2016-08-0214739167ND
2016-08-0414739096ND
2016-08-0414739118ND
2016-08-0414739154ND
2016-10-2415079397ND
2016-10-2415079418ND
2016-10-2415079439ND
2016-11-0715229353ND
2016-11-2115229374ND
2016-12-0115229918ND
2017-01-0315521181ND
2017-01-1615521223ND
2017-01-1815521118ND
2017-01-1815521139ND
2017-01-1815521202ND
2017-01-2415521160ND
2017-03-2815800270ND
2017-03-2915800291ND
2017-04-0315942288ND
2017-04-1215942330ND
2017-04-1715942225ND
2017-04-1715942246ND
2017-04-1915942267ND
2017-04-1915942309ND
2017-06-1916262190ND
2017-06-2016262211ND
2017-06-2016262232ND
2017-06-2116262253ND
2017-08-0716571188ND
2017-09-1516730780ND
2017-09-1816730717ND
2017-09-1816731951ND
2017-09-1916730738ND
2017-09-1916730759ND
2017-09-1916731867ND
2017-09-2016731888ND
2017-09-2016731909ND
2017-09-2016731930ND
2017-09-2716883591ND
2017-12-2017165328ND
2017-12-2117165340ND
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