Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Brodhead Creek Reg Water Authority

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND20ND
2022ND40ND
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
2018-04-111808781-01ND
2019-04-10T9D0594-01ND
2020-04-1322045745.00ND
2020-04-1522045658.00ND
2021-04-0724269253.00ND
2021-11-0125608126.00ND
2022-02-2326137313.00ND
2022-04-2526485924.00ND
2022-05-2326672022.00ND
2022-08-2227258341.00ND
2023-03-2928544005.00ND
2023-03-2928544027.00ND
2023-03-2928544049.00ND