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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

North Penn Water Authority

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

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 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

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
2015-01-1912287147ND
2015-01-1912287168ND
2015-01-1912287189ND
2015-01-1912287210ND
2015-02-0912402094ND
2015-02-0912402115ND
2015-02-0912402031ND
2015-02-0912402052ND
2015-02-0912402073ND
2015-02-0912402136ND
2015-04-2012633452ND
2015-04-2012633473ND
2015-04-2012633515ND
2015-04-2012633494ND
2015-06-1512882966ND
2015-07-1313013061ND
2015-07-1313013087ND
2015-07-1313013113ND
2015-07-1313013139ND
2015-07-1313013165ND
2015-08-1713135662ND
2015-08-1713135683ND
2015-08-1713135725ND
2015-08-1713135746ND
2015-08-1713135704ND
2015-08-1713135767ND
2015-09-1413264704ND
2015-09-1413264730ND
2015-09-1413264756ND
2015-10-0513389208ND
2015-10-0513389229ND
2015-10-0513389271ND
2015-10-0513389250ND
2015-11-1113514199ND
2015-11-1113514136ND
2015-11-1113514157ND
2015-11-1113514178ND
2015-11-1113514220ND
2015-12-0213633340ND
2015-12-0213633366ND
2015-12-0213633392ND
2015-12-0213633418ND
2015-12-0213633444ND
2015-12-0213633470ND
2015-12-0913633496ND
2015-12-0913633296ND
2015-12-1413633317ND
2016-01-1813753159ND
2016-01-1813753180ND
2016-01-1813753201ND
2016-01-1813753222ND
2016-02-1713870696ND
2016-02-1713870717ND
2016-02-1713870633ND
2016-02-1713870654ND
2016-02-1713870675ND
2016-02-1713870738ND
2016-03-0213986047ND
2016-03-0213986073ND
2016-03-0213986099ND
2016-03-0213986125ND
2016-03-0213986151ND
2016-04-1814102964ND
2016-04-1814102985ND
2016-04-1814103027ND
2016-04-1814103006ND
2016-05-1614250799ND
2016-05-1614250820ND
2016-05-1614250841ND
2016-05-1614250862ND
2016-06-0614405884ND
2016-06-0614405911ND
2016-06-0614405965ND
2016-06-0614405992ND
2016-06-0614405938ND
2016-07-1814569945ND
2016-07-1814569966ND
2016-07-1814569987ND
2016-07-1814570008ND
2016-08-0114735665ND
2016-08-0114735686ND
2016-08-0114735602ND
2016-08-0114735623ND
2016-08-0114735644ND
2016-08-0114735707ND
2016-08-2314907946ND
2016-09-0714908073ND
2016-09-0714908100ND
2016-09-0714908127ND
2016-09-0714908154ND
2016-09-0714908181ND
2016-10-2415075722ND
2016-10-2415075743ND
2016-10-2415075785ND
2016-10-2415075764ND
2016-11-1415226159ND
2016-11-1415226075ND
2016-11-1415226096ND
2016-11-1415226201ND
2016-11-1415226117ND
2016-11-1415226180ND
2016-11-1415226138ND
2016-12-0515372184ND
2016-12-0515372205ND
2016-12-0515372226ND
2016-12-0515372247ND
2016-12-0515372268ND
2017-01-2315517773ND
2017-01-2315517794ND
2017-01-2315517815ND
2017-01-2315517836ND
2017-02-2215655932ND
2017-02-2315656016ND
2017-02-2315656037ND
2017-02-2315655953ND
2017-02-2315655974ND
2017-02-2315655995ND
2017-02-2315656058ND
2017-03-2215796078ND
2017-03-2215796105ND
2017-03-2215796132ND
2017-03-2215796159ND
2017-03-2215796186ND
2017-04-1715937470ND
2017-04-1715937491ND
2017-04-1715937533ND
2017-04-1715937512ND
2017-05-1516094565ND
2017-05-1516094586ND
2017-05-1516094649ND
2017-05-1516094607ND
2017-05-1516094628ND
2017-07-0516413106ND
2017-07-0516413127ND
2017-07-0516413148ND
2017-07-1716413703ND
2017-07-1716413724ND
2017-07-1716413745ND
2017-07-1716413766ND
2017-08-0216566163ND
2017-08-0216566184ND
2017-08-0216566058ND
2017-08-0216566079ND
2017-08-0216566142ND
2017-08-0216566100ND
2017-08-0216566121ND
2017-09-1116726743ND
2017-09-1116726770ND
2017-09-1116726797ND
2017-09-1116726824ND
2017-09-1116726851ND
2017-10-1616880074ND
2017-10-1616880095ND
2017-10-1616880137ND
2017-10-1616880116ND
2017-11-0117023330ND
2017-11-0117023351ND
2017-11-0117023414ND
2017-11-0117023372ND
2017-11-0117023393ND
2017-12-0417161952ND
2017-12-0417161973ND
2017-12-0417162015ND
2017-12-0417162036ND
2017-12-0417161994ND
2017-12-0417162057ND