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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Lynwood Water Department

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

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND50ND
2016ND50ND
2017ND60ND
2018ND40ND
2019ND30ND

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
2014-01-229588-009-1103ND
2014-01-229588-008-1115ND
2014-07-169588-011-0953ND
2014-10-159588-016-0818ND
2015-01-149588-008-1040ND
2015-01-149588-009-1053ND
2015-04-089588-016-0936ND
2015-07-159588-011-1055ND
2015-10-199588-016-1000ND
2016-01-139588-008-1300ND
2016-01-139588-009-1245ND
2016-04-139588-008-1018ND
2016-04-139588-009-1002ND
2016-07-139588-011-0940ND
2017-01-119588-008-0945ND
2017-01-119588-009-1020ND
2017-06-209588-016-0930ND
2017-07-129588-011-1000ND
2017-10-119588-009-1015ND
2017-10-119588-008-1040ND
2018-01-109588-009-1030ND
2018-01-109588-008-1115ND
2018-04-189588-016-0950ND
2018-07-099588-011-0944ND
2019-01-099588-009-1030ND
2019-03-149588-008-0905ND
2019-04-109588-016-1000ND