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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Fern Forest Mobile Home Park

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND80ND
2018N/A00N/A
2019ND80ND

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
2014-03-25AD37540ND
2014-03-25AD37539ND
2014-04-07AD38084ND
2014-04-07AD38085ND
2014-07-01AD41926ND
2014-07-01AD41930ND
2014-10-16AD46843ND
2014-10-16AD46844ND
2015-01-15AD50391ND
2015-01-15AD50392ND
2015-05-14AD55547ND
2015-05-14AD55546ND
2015-08-27AD60131ND
2015-08-27AD60132ND
2015-10-27AD64078ND
2015-10-27AD64079ND
2016-02-17AD70851ND
2016-02-17AD70850ND
2016-04-07AD73968ND
2016-04-07AD73967ND
2016-09-27AD82984ND
2016-09-27AD82985ND
2016-11-28AD86299ND
2016-11-28AD86298ND
2017-02-22AD90199ND
2017-02-22AD90200ND
2017-04-11AD92434ND
2017-04-11AD92433ND
2017-08-14AD99040ND
2017-08-14AD99041ND
2017-10-09AE01643ND
2017-10-09AE01642ND
2019-02-11AE25273ND
2019-02-11AE25274ND
2019-04-23AE29234ND
2019-04-23AE29235ND
2019-09-03AE36516ND
2019-09-03AE36518ND
2019-12-02AE40931ND
2019-12-02AE40932ND