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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Woodstock

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND150ND
2019ND100ND

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
2018-04-10AJ87090ND
2018-04-10AJ87089ND
2018-04-10AJ87088ND
2018-04-10AJ87087ND
2018-04-10AJ87086ND
2018-07-10AJ93446ND
2018-07-10AJ93445ND
2018-07-10AJ93444ND
2018-07-10AJ93443ND
2018-07-10AJ93442ND
2018-12-18AK08331ND
2018-12-18AK08333ND
2018-12-18AK08332ND
2018-12-18AK08330ND
2018-12-18AK08329ND
2019-01-08AK09031ND
2019-01-08AK09030ND
2019-01-08AK09029ND
2019-01-08AK09028ND
2019-01-08AK09027ND
2019-04-15AK15169ND
2019-04-15AK15173ND
2019-04-15AK15172ND
2019-04-15AK15171ND
2019-04-15AK15170ND