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EWG's Tap Water Database — 2019 UPDATE

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Xylenes (total)

North Penn Water Authority

Xylenes are solvents used in industrial and consumer products, such as cleaning agents and paint thinners. Xylenes cause nervous system damage and may harm developing fetuses.

 

306

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND370ND
2013ND520ND
2014ND510ND
2015ND470ND
2016ND600ND
2017ND590ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,800 ppb

The EWG Health Guideline of 1,800 ppb for xylenes 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 the brain and nervous system.

EPA Maximum Contaminant
Level (MCL) 10,000 ppb

The legal limit for xylenes, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s. This limit may not fully protect against harm to the brain and nervous system due to xylene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-1812011268ND
2012-01-1812011268ND
2012-01-1812011268ND
2012-05-0720121667ND
2012-05-0720121668ND
2012-05-0720121669ND
2012-05-0720121670ND
2012-05-0720121671ND
2012-05-0720121672ND
2012-06-0620122029ND
2012-06-0620122027ND
2012-06-0620122028ND
2012-06-0620122026ND
2012-07-1120122428ND
2012-07-1120122429ND
2012-08-0120122665ND
2012-08-0120122660ND
2012-08-0120122661ND
2012-08-0120122662ND
2012-08-0120122664ND
2012-08-0120122663ND
2012-09-1920123305ND
2012-09-1920123302ND
2012-09-1920123303ND
2012-09-1920123306ND
2012-09-1920123304ND
2012-10-1720123691ND
2012-10-1720123692ND
2012-10-1720123693ND
2012-11-2620124016ND
2012-11-2620124017ND
2012-11-2620124018ND
2012-11-2620124019ND
2012-12-1220124345ND
2012-12-1220124342ND
2012-12-1220124343ND
2012-12-1220124344ND
2013-01-1620130197ND
2013-01-1620130198ND
2013-01-1620130199ND
2013-02-0620130465ND
2013-02-0620130466ND
2013-02-0620130467ND
2013-02-0620130468ND
2013-04-1720131328ND
2013-04-1720131323ND
2013-04-1720131324ND
2013-04-1720131326ND
2013-04-1720131325ND
2013-04-1720131327ND
2013-05-1520131666ND
2013-05-1520131667ND
2013-05-1520131668ND
2013-05-1520131669ND
2013-05-1520131670ND
2013-05-1520131671ND
2013-06-0520131984ND
2013-06-0520131979ND
2013-06-0520131980ND
2013-06-0520131982ND
2013-06-0520131983ND
2013-06-0520131981ND
2013-07-1020132442ND
2013-07-1020132443ND
2013-07-1020132444ND
2013-08-1920133017ND
2013-08-1920133018ND
2013-08-1920133014ND
2013-08-1920133015ND
2013-08-1920133016ND
2013-08-1920133019ND
2013-09-1820133416ND
2013-09-1820133417ND
2013-09-1820133418ND
2013-09-1820133419ND
2013-09-1820133420ND
2013-10-1620133724ND
2013-10-1620133725ND
2013-10-1620133727ND
2013-10-1620133726ND
2013-11-1120134022ND
2013-11-1120134023ND
2013-11-1120134024ND
2013-11-1120134025ND
2013-12-1120134387ND
2013-12-1120134388ND
2013-12-1120134390ND
2013-12-1120134391ND
2013-12-1120134389ND
2014-01-2020140222ND
2014-01-2020140223ND
2014-01-2020140224ND
2014-01-2020140225ND
2014-02-1220140545ND
2014-02-1220140546ND
2014-02-1220140542ND
2014-02-1220140543ND
2014-02-1220140544ND
2014-02-1220140547ND
2014-03-0520140816ND
2014-03-0520140817ND
2014-03-0520140818ND
2014-03-0520140819ND
2014-03-0520140820ND
2014-04-0220141122ND
2014-04-0220141123ND
2014-04-0220141125ND
2014-04-0220141124ND
2014-05-1920141698ND
2014-05-1920141699ND
2014-05-1920141700ND
2014-05-1920141701ND
2014-06-0420141932ND
2014-06-0420141933ND
2014-06-0420141935ND
2014-06-0420141936ND
2014-06-0420141934ND
2014-07-1620142445ND
2014-07-1620142446ND
2014-07-1620142447ND
2014-08-1820142827ND
2014-08-1820142828ND
2014-08-1820142824ND
2014-08-1820142825ND
2014-08-1820142826ND
2014-08-1820142829ND
2014-09-0820143077ND
2014-09-0820143078ND
2014-09-0820143079ND
2014-09-0820143080ND
2014-09-0820143081ND
2014-11-1014110622-001ND
2014-11-1014110622-002ND
2014-11-1014110622-003ND
2014-11-1014110622-004ND
2014-12-0820144185ND
2014-12-0820144186ND
2014-12-0820144188ND
2014-12-0820144189ND
2014-12-0820144187ND
2015-01-1912287149ND
2015-01-1912287170ND
2015-01-1912287191ND
2015-01-1912287212ND
2015-02-0912402096ND
2015-02-0912402117ND
2015-02-0912402033ND
2015-02-0912402054ND
2015-02-0912402075ND
2015-02-0912402138ND
2015-04-2012633454ND
2015-04-2012633475ND
2015-04-2012633517ND
2015-04-2012633496ND
2015-06-1512882968ND
2015-07-1313013063ND
2015-07-1313013089ND
2015-07-1313013115ND
2015-07-1313013141ND
2015-07-1313013167ND
2015-08-1713135664ND
2015-08-1713135685ND
2015-08-1713135727ND
2015-08-1713135748ND
2015-08-1713135706ND
2015-08-1713135769ND
2015-09-1413264706ND
2015-09-1413264732ND
2015-09-1413264758ND
2015-10-0513389210ND
2015-10-0513389231ND
2015-10-0513389273ND
2015-10-0513389252ND
2015-11-1113514201ND
2015-11-1113514138ND
2015-11-1113514159ND
2015-11-1113514180ND
2015-11-1113514222ND
2015-12-0213633342ND
2015-12-0213633368ND
2015-12-0213633394ND
2015-12-0213633420ND
2015-12-0213633446ND
2015-12-0213633472ND
2015-12-0913633498ND
2015-12-0913633298ND
2015-12-1413633319ND
2016-01-1813753161ND
2016-01-1813753182ND
2016-01-1813753203ND
2016-01-1813753224ND
2016-02-1713870698ND
2016-02-1713870719ND
2016-02-1713870635ND
2016-02-1713870656ND
2016-02-1713870677ND
2016-02-1713870740ND
2016-03-0213986049ND
2016-03-0213986075ND
2016-03-0213986101ND
2016-03-0213986127ND
2016-03-0213986153ND
2016-04-1814102966ND
2016-04-1814102987ND
2016-04-1814103029ND
2016-04-1814103008ND
2016-05-1614250801ND
2016-05-1614250822ND
2016-05-1614250843ND
2016-05-1614250864ND
2016-06-0614405886ND
2016-06-0614405913ND
2016-06-0614405967ND
2016-06-0614405994ND
2016-06-0614405940ND
2016-07-1814569947ND
2016-07-1814569968ND
2016-07-1814569989ND
2016-07-1814570010ND
2016-08-0114735667ND
2016-08-0114735688ND
2016-08-0114735604ND
2016-08-0114735625ND
2016-08-0114735646ND
2016-08-0114735709ND
2016-08-2314907948ND
2016-09-0714908075ND
2016-09-0714908102ND
2016-09-0714908129ND
2016-09-0714908156ND
2016-09-0714908183ND
2016-10-2415075724ND
2016-10-2415075745ND
2016-10-2415075787ND
2016-10-2415075766ND
2016-11-1415226161ND
2016-11-1415226077ND
2016-11-1415226098ND
2016-11-1415226203ND
2016-11-1415226119ND
2016-11-1415226182ND
2016-11-1415226140ND
2016-12-0515372186ND
2016-12-0515372207ND
2016-12-0515372228ND
2016-12-0515372249ND
2016-12-0515372270ND
2017-01-2315517775ND
2017-01-2315517796ND
2017-01-2315517817ND
2017-01-2315517838ND
2017-02-2215655934ND
2017-02-2315656018ND
2017-02-2315656039ND
2017-02-2315655955ND
2017-02-2315655976ND
2017-02-2315655997ND
2017-02-2315656060ND
2017-03-2215796080ND
2017-03-2215796107ND
2017-03-2215796134ND
2017-03-2215796161ND
2017-03-2215796188ND
2017-04-1715937472ND
2017-04-1715937493ND
2017-04-1715937535ND
2017-04-1715937514ND
2017-05-1516094567ND
2017-05-1516094588ND
2017-05-1516094651ND
2017-05-1516094609ND
2017-05-1516094630ND
2017-07-0516413108ND
2017-07-0516413129ND
2017-07-0516413150ND
2017-07-1716413705ND
2017-07-1716413726ND
2017-07-1716413747ND
2017-07-1716413768ND
2017-08-0216566165ND
2017-08-0216566186ND
2017-08-0216566060ND
2017-08-0216566081ND
2017-08-0216566144ND
2017-08-0216566102ND
2017-08-0216566123ND
2017-09-1116726745ND
2017-09-1116726772ND
2017-09-1116726799ND
2017-09-1116726826ND
2017-09-1116726853ND
2017-10-1616880076ND
2017-10-1616880097ND
2017-10-1616880139ND
2017-10-1616880118ND
2017-11-0117023332ND
2017-11-0117023353ND
2017-11-0117023416ND
2017-11-0117023374ND
2017-11-0117023395ND
2017-12-0417161954ND
2017-12-0417161975ND
2017-12-0417162017ND
2017-12-0417162038ND
2017-12-0417161996ND
2017-12-0417162059ND