Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Edom Water Supply Corporation

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
2022ND20ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-04-02Q1813186002ND
2018-04-02Q1813186007ND
2019-07-01Q1941197003ND
2019-07-01Q1941197005ND
2020-02-03Q2004150001ND
2020-04-07Q2014329001ND
2020-04-07Q2014329003ND
2021-07-12Q2118055007ND
2021-07-12Q2118055009ND
2022-10-20Q2231923001ND
2022-10-20Q2231923009ND
2023-08-30Q2337554003ND
2023-08-30Q2337554005ND
2023-11-17Q2349772001ND