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EWG's Tap Water Database — 2021 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.

MORE ABOUT THIS CONTAMINANT

 

310

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND510ND
2015ND470ND
2016ND600ND
2017ND590ND
2018ND480ND
2019ND450ND

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
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
2018-01-2220180293ND
2018-01-2220180294ND
2018-01-2220180295ND
2018-01-2220180296ND
2018-02-0520180455ND
2018-02-0520180456ND
2018-02-0520180452ND
2018-02-0520180453ND
2018-02-0520180454ND
2018-02-0520180457ND
2018-03-2020181073ND
2018-03-2020181074ND
2018-03-2020181075ND
2018-03-2020181076ND
2018-04-1620181445ND
2018-04-1620181446ND
2018-04-1620181448ND
2018-04-1620181447ND
2018-05-0220181740ND
2018-05-0220181741ND
2018-05-0220181744ND
2018-05-0220181742ND
2018-05-0220181743ND
2018-06-1820182322ND
2018-06-1820182324ND
2018-06-1820182325ND
2018-06-1820182323ND
2018-06-1820182326ND
2018-06-1820182327ND
2018-07-1620182699ND
2018-07-1620182700ND
2018-07-1620182701ND
2018-08-0120182922ND
2018-08-0120182923ND
2018-08-0120182920ND
2018-08-0120182921ND
2018-08-0120182924ND
2018-09-0520183429ND
2018-09-0520183431ND
2018-09-0520183430ND
2018-09-0520183432ND
2018-10-1520183924ND
2018-10-1520183926ND
2018-10-1520183925ND
2018-12-038121626-01ND
2018-12-038121626-03ND
2018-12-038121626-02ND
2018-12-108122542-01ND
2019-01-2120190220ND
2019-02-0420190410ND
2019-02-0420190411ND
2019-02-0420190409ND
2019-02-0420190412ND
2019-02-0720190528ND
2019-03-0420190828ND
2019-03-0420190829ND
2019-03-0420190830ND
2019-04-1720191516ND
2019-04-1720191518ND
2019-04-1720191517ND
2019-05-0220191674ND
2019-05-0220191675ND
2019-05-0220191678ND
2019-05-0220191676ND
2019-05-0220191677ND
2019-07-1520192723ND
2019-07-1520192724ND
2019-07-1520192727ND
2019-07-1520192728ND
2019-07-1520192725ND
2019-07-1520192726ND
2019-08-0520192977ND
2019-08-0520192978ND
2019-08-0520192976ND
2019-08-0520192979ND
2019-09-0420193493ND
2019-09-0420193494ND
2019-09-0420193495ND
2019-09-0420193496ND
2019-10-2120194146ND
2019-10-2120194147ND
2019-10-2120194148ND
2019-11-0420194264ND
2019-11-0420194265ND
2019-11-0420194267ND
2019-11-0420194266ND
2019-11-0420194268ND
2019-11-0420194269ND
2019-12-0220194693ND
2019-12-0220194694ND
2019-12-0220194696ND
2019-12-0220194697ND
2019-12-0220194695ND