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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

Suez

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.

 

273

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND390ND
2013ND340ND
2014ND520ND
2015ND500ND
2016ND480ND
2017ND500ND

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
2012-02-13V1204320ND
2012-02-13V1204316ND
2012-02-13V1204322ND
2012-02-13V1204319ND
2012-02-28V1205687ND
2012-02-28V1205685ND
2012-02-28V1205686ND
2012-04-09V1209894ND
2012-04-10V1210106ND
2012-04-10V1210105ND
2012-04-10V1210109ND
2012-04-10V1210107ND
2012-05-30V1215650ND
2012-05-30V1215655ND
2012-05-30V1215646ND
2012-05-30V1215652ND
2012-06-13V1217346ND
2012-06-20V1218352ND
2012-06-20V1218351ND
2012-06-20V1218355ND
2012-06-21V1218525ND
2012-06-25V1218866ND
2012-06-25V1218865ND
2012-06-25V1218863ND
2012-06-27V1219087ND
2012-07-16V1221375ND
2012-07-16V1221372ND
2012-07-16V1221371ND
2012-07-16V1221374ND
2012-07-17V1221654ND
2012-07-17V1221649ND
2012-07-18V1221920ND
2012-07-18V1211920ND
2012-08-02V1223793ND
2012-08-14V1225183ND
2012-08-14V1225182ND
2012-10-04V1231497ND
2012-10-30V1234015ND
2012-10-30V1234016ND
2013-02-25V1307949ND
2013-02-25V1307953ND
2013-03-11V1310323ND
2013-03-11V1310321ND
2013-03-27V1313027ND
2013-05-13V1320336ND
2013-05-16V1321155ND
2013-05-16V1321156ND
2013-05-16V1321157ND
2013-05-17V1321312ND
2013-05-17V1321315ND
2013-05-20V1321567ND
2013-05-20V1321570ND
2013-06-05V1323911ND
2013-06-05V1323908ND
2013-06-05V1323921ND
2013-06-18V1326015ND
2013-06-18V1326021ND
2013-06-18V1326019ND
2013-07-01V1328060ND
2013-07-03V1328569ND
2013-07-09V1329338ND
2013-07-09V1329342ND
2013-07-09V1329344ND
2013-07-09V1329583ND
2013-07-10V1329595ND
2013-07-10V1329585ND
2013-07-10V1329591ND
2013-08-07V1333781ND
2013-08-09V1334243ND
2013-08-09V1334238ND
2013-09-09V1338784ND
2013-12-11V1352111ND
2013-12-20V1353341ND
2014-01-27V1403081ND
2014-03-04V1407728ND
2014-03-04V1407716ND
2014-03-04V1407723ND
2014-03-04V1407722ND
2014-03-04V1407720ND
2014-03-04V1407727ND
2014-03-04V1407726ND
2014-03-04V1407731ND
2014-03-04V1407735ND
2014-06-05V1420376ND
2014-06-06V1420572ND
2014-06-06V1420554ND
2014-06-06V1420558ND
2014-06-06V1420556ND
2014-06-06V1420560ND
2014-06-09V1420779ND
2014-06-09V1420782ND
2014-06-09V1420772ND
2014-06-10V1421072ND
2014-06-10V1421074ND
2014-06-10V1421075ND
2014-06-12V1421498ND
2014-06-17V1422331ND
2014-06-25V1423528ND
2014-06-25V1423527ND
2014-07-01V1424562ND
2014-07-01V1424565ND
2014-07-16V1427066ND
2014-07-16V1427062ND
2014-07-16V1427060ND
2014-07-17V1427226ND
2014-07-30V1429108ND
2014-07-30V1429107ND
2014-07-30V1429113ND
2014-07-30V1429111ND
2014-08-05V1429865ND
2014-08-05V1429867ND
2014-08-05V1429864ND
2014-08-11V1430897ND
2014-08-11V1430896ND
2014-08-11V1430901ND
2014-08-11V1430900ND
2014-08-19V1432286ND
2014-08-19V1432284ND
2014-08-19V1432281ND
2014-08-19V1432280ND
2014-09-11V1436009ND
2014-09-11V1436008ND
2014-10-21V1441723ND
2014-10-22V1442094ND
2014-10-22V1442095ND
2015-03-06V1508656ND
2015-03-06V1508657ND
2015-03-06V1508658ND
2015-03-06V1508659ND
2015-03-06V1508661ND
2015-03-09V1508867ND
2015-03-09V1508865ND
2015-03-09V1508862ND
2015-05-12V1518150ND
2015-05-21V1519718ND
2015-05-27V1520478ND
2015-05-28V1520655ND
2015-05-28V1520651ND
2015-05-28V1520653ND
2015-06-04V1521776ND
2015-06-04V1521779ND
2015-06-09V1522532ND
2015-06-12V1523057ND
2015-06-15V1523188ND
2015-06-15V1523185ND
2015-06-15V1523190ND
2015-06-16V1523455ND
2015-06-19V1524237ND
2015-06-24V1525293ND
2015-07-07V1527129ND
2015-07-07V1527128ND
2015-07-07V1527126ND
2015-07-15V1528678ND
2015-07-15V1528675ND
2015-07-15V1528673ND
2015-07-17V1529098ND
2015-07-17V1529097ND
2015-07-17V1529094ND
2015-07-23V1530010ND
2015-07-23V1530004ND
2015-07-23V1530002ND
2015-07-24V1530231ND
2015-08-05V1532425ND
2015-08-05V1532430ND
2015-08-06V1532699ND
2015-08-12V1533693ND
2015-08-12V1533691ND
2015-08-12V1533689ND
2015-09-30V1541897ND
2015-09-30V1541895ND
2015-09-30V1541893ND
2015-10-20V1545308ND
2015-10-22V1545881ND
2015-11-17V1549695ND
2015-12-17V1554326ND
2016-02-02V1604466ND
2016-03-30V1612757ND
2016-03-30V1612756ND
2016-03-30V1612755ND
2016-03-31V1612950ND
2016-03-31V1612951ND
2016-04-29V1617992ND
2016-06-23V1627644ND
2016-06-23V1627653ND
2016-06-23V1627652ND
2016-06-23V1627654ND
2016-06-23V1627647ND
2016-06-23V1627649ND
2016-06-24V1627836ND
2016-06-24V1627834ND
2016-06-24V1627838ND
2016-06-27V1628122ND
2016-06-28V1628437ND
2016-06-28V1628439ND
2016-06-28V1628441ND
2016-06-28V1628434ND
2016-06-29V1628657ND
2016-06-29V1628653ND
2016-06-30V1628758ND
2016-06-30V1628757ND
2016-07-06V1629588ND
2016-07-06V1629581ND
2016-07-06V1629587ND
2016-07-07V1629728ND
2016-07-07V1629732ND
2016-07-07V1629731ND
2016-07-13V1630839ND
2016-07-13V1630842ND
2016-07-13V1630840ND
2016-07-15V1631434ND
2016-08-03V1634927ND
2016-08-03V1634925ND
2016-08-03V1634932ND
2016-08-03V1634929ND
2016-08-15V1636771ND
2016-08-15V1636770ND
2016-08-25V1638558ND
2016-10-03V1645225ND
2016-10-03V1645226ND
2016-10-03V1645228ND
2016-10-03V1645230ND
2016-10-03V1645222ND
2016-10-03V1645223ND
2017-01-30V1703582ND
2017-03-13V1709899ND
2017-03-13V1709900ND
2017-03-13V1709901ND
2017-03-14V1710134ND
2017-03-14V1710140ND
2017-04-25V1716422ND
2017-05-30V1722579ND
2017-05-30V1722577ND
2017-05-30V1722576ND
2017-05-30V1722574ND
2017-05-31V1722760ND
2017-05-31V1722753ND
2017-05-31V1722763ND
2017-05-31V1722761ND
2017-05-31V1722762ND
2017-06-06V1723655ND
2017-06-06V1723654ND
2017-06-19V1726108ND
2017-06-19V1726109ND
2017-06-21V1726771ND
2017-06-22V1726962ND
2017-06-22V1726965ND
2017-06-22V1726964ND
2017-06-26V1727440ND
2017-07-10V1729874ND
2017-07-10V1729875ND
2017-07-10V1729872ND
2017-07-10V1729867ND
2017-07-11V1730134ND
2017-07-11V1730135ND
2017-07-11V1730137ND
2017-07-17V1731307ND
2017-07-17V1731309ND
2017-07-17V1731301ND
2017-07-17V1731302ND
2017-07-19V1731941ND
2017-07-19V1731943ND
2017-07-20V1732221ND
2017-07-20V1732219ND
2017-08-03V1734567ND
2017-08-03V1734565ND
2017-08-04V1734727ND
2017-08-14V1736477ND
2017-08-18V1737572ND
2017-08-22V1737899ND
2017-10-20V1749223ND
2017-11-15V1753300ND
2017-11-15V1753297ND
2017-12-19V1758928ND