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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

City of Edmond - Arcadia Lake

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.

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND20ND
2014ND10ND
2015ND10ND
2016ND430ND
2017ND30ND

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
2012-11-062K06044-01ND
2013-05-103E10014-01ND
2013-10-043J04022-04ND
2014-12-174L17093-02ND
2015-10-075J07131-01ND
2016-04-281486776ND
2016-04-281486772ND
2016-04-281486773ND
2016-04-281486774ND
2016-04-281486775ND
2016-04-281486777ND
2016-04-281486778ND
2016-04-281486779ND
2016-04-281486780ND
2016-04-281486781ND
2016-04-281486782ND
2016-04-281486783ND
2016-05-031489218ND
2016-05-031489217ND
2016-05-031489216ND
2016-05-041489222ND
2016-05-041489221ND
2016-05-041489220ND
2016-05-041489219ND
2016-05-051489224ND
2016-05-051489225ND
2016-05-051489223ND
2016-05-091491237ND
2016-05-091491236ND
2016-05-091491235ND
2016-05-091491234ND
2016-05-091491233ND
2016-05-091491227ND
2016-05-101491240ND
2016-05-101491239ND
2016-05-111491242ND
2016-05-111491241ND
2016-05-111491243ND
2016-05-111491244ND
2016-05-121491247ND
2016-05-121491246ND
2016-05-121491245ND
2016-05-231494785ND
2016-05-231494784ND
2016-05-231494783ND
2016-05-231494782ND
2016-05-231494781ND
2016-07-281511293ND
2017-03-087C08038-05ND
2017-03-147C14009-01ND
2017-03-207C20037-01ND