Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Monochlorobenzene (chlorobenzene)

City of Cleveland

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

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
2012-01-19120120-004VOND
2012-04-04120405-012VOND
2012-08-14120815-006VOND
2012-10-11121012-008VOND
2013-01-16130117-015VOND
2013-04-10130411-018VOND
2013-07-10130711-009VOND
2013-10-17131018-003VOND
2014-06-04140605-001VOND
2015-06-15150616-007VOND
2016-07-20160721-002VOND
2017-07-24170725-007VOND