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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Milford, Village of

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND120ND
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
2014-03-11LLF11891ND
2014-03-11LLF11892ND
2014-03-11LLF21962ND
2014-03-11LLF11890ND
2014-06-10LLF21960ND
2014-09-09LLF37362ND
2014-09-09LLF37363ND
2014-09-09LLF37364ND
2018-03-06LLH69107ND
2018-03-06LLH69106ND
2018-03-06LLH69108ND
2018-06-05LLH84045ND
2018-06-05LLH84046ND
2018-06-05LLH84047ND
2018-09-04LLI03028ND
2018-09-04LLI03030ND
2018-09-04LLI03029ND
2018-12-04LLI18412ND
2018-12-04LLI18414ND
2018-12-04LLI18413ND
2019-03-05LLI27937ND
2019-03-05LLI27938ND
2019-03-05LLI27936ND
2019-06-04LLI41521ND
2019-06-04LLI41520ND
2019-09-03LLI61105ND
2019-09-03LLI61104ND
2019-09-03LLI61106ND