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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

North Penn Water Authority

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

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 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene 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) 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

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
2015-01-1912287163ND
2015-01-1912287184ND
2015-01-1912287205ND
2015-01-1912287226ND
2015-02-0912402110ND
2015-02-0912402131ND
2015-02-0912402047ND
2015-02-0912402068ND
2015-02-0912402089ND
2015-02-0912402152ND
2015-04-2012633468ND
2015-04-2012633489ND
2015-04-2012633531ND
2015-04-2012633510ND
2015-06-1512882982ND
2015-07-1313013077ND
2015-07-1313013103ND
2015-07-1313013129ND
2015-07-1313013155ND
2015-07-1313013181ND
2015-08-1713135678ND
2015-08-1713135699ND
2015-08-1713135741ND
2015-08-1713135762ND
2015-08-1713135720ND
2015-08-1713135783ND
2015-09-1413264720ND
2015-09-1413264746ND
2015-09-1413264772ND
2015-10-0513389224ND
2015-10-0513389245ND
2015-10-0513389287ND
2015-10-0513389266ND
2015-11-1113514215ND
2015-11-1113514152ND
2015-11-1113514173ND
2015-11-1113514194ND
2015-11-1113514236ND
2015-12-0213633356ND
2015-12-0213633382ND
2015-12-0213633408ND
2015-12-0213633434ND
2015-12-0213633460ND
2015-12-0213633486ND
2015-12-0913633512ND
2015-12-0913633312ND
2015-12-1413633333ND
2016-01-1813753175ND
2016-01-1813753196ND
2016-01-1813753217ND
2016-01-1813753238ND
2016-02-1713870712ND
2016-02-1713870733ND
2016-02-1713870649ND
2016-02-1713870670ND
2016-02-1713870691ND
2016-02-1713870754ND
2016-03-0213986063ND
2016-03-0213986089ND
2016-03-0213986115ND
2016-03-0213986141ND
2016-03-0213986167ND
2016-04-1814102980ND
2016-04-1814103001ND
2016-04-1814103043ND
2016-04-1814103022ND
2016-05-1614250815ND
2016-05-1614250836ND
2016-05-1614250857ND
2016-05-1614250878ND
2016-06-0614405900ND
2016-06-0614405927ND
2016-06-0614405981ND
2016-06-0614406008ND
2016-06-0614405954ND
2016-07-1814569961ND
2016-07-1814569982ND
2016-07-1814570003ND
2016-07-1814570024ND
2016-08-0114735681ND
2016-08-0114735702ND
2016-08-0114735618ND
2016-08-0114735639ND
2016-08-0114735660ND
2016-08-0114735723ND
2016-08-2314907962ND
2016-09-0714908089ND
2016-09-0714908116ND
2016-09-0714908143ND
2016-09-0714908170ND
2016-09-0714908197ND
2016-10-2415075738ND
2016-10-2415075759ND
2016-10-2415075801ND
2016-10-2415075780ND
2016-11-1415226175ND
2016-11-1415226091ND
2016-11-1415226112ND
2016-11-1415226217ND
2016-11-1415226133ND
2016-11-1415226196ND
2016-11-1415226154ND
2016-12-0515372200ND
2016-12-0515372221ND
2016-12-0515372242ND
2016-12-0515372263ND
2016-12-0515372284ND
2017-01-2315517789ND
2017-01-2315517810ND
2017-01-2315517831ND
2017-01-2315517852ND
2017-02-2215655948ND
2017-02-2315656032ND
2017-02-2315656053ND
2017-02-2315655969ND
2017-02-2315655990ND
2017-02-2315656011ND
2017-02-2315656074ND
2017-03-2215796094ND
2017-03-2215796121ND
2017-03-2215796148ND
2017-03-2215796175ND
2017-03-2215796202ND
2017-04-1715937486ND
2017-04-1715937507ND
2017-04-1715937549ND
2017-04-1715937528ND
2017-05-1516094581ND
2017-05-1516094602ND
2017-05-1516094665ND
2017-05-1516094623ND
2017-05-1516094644ND
2017-07-0516413122ND
2017-07-0516413143ND
2017-07-0516413164ND
2017-07-1716413719ND
2017-07-1716413740ND
2017-07-1716413761ND
2017-07-1716413782ND
2017-08-0216566179ND
2017-08-0216566200ND
2017-08-0216566074ND
2017-08-0216566095ND
2017-08-0216566158ND
2017-08-0216566116ND
2017-08-0216566137ND
2017-09-1116726759ND
2017-09-1116726786ND
2017-09-1116726813ND
2017-09-1116726840ND
2017-09-1116726867ND
2017-10-1616880090ND
2017-10-1616880111ND
2017-10-1616880153ND
2017-10-1616880132ND
2017-11-0117023346ND
2017-11-0117023367ND
2017-11-0117023430ND
2017-11-0117023388ND
2017-11-0117023409ND
2017-12-0417161968ND
2017-12-0417161989ND
2017-12-0417162031ND
2017-12-0417162052ND
2017-12-0417162010ND
2017-12-0417162073ND