Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Markridge Park Subdivision Water System

NOTE: Markridge Park Subdivision Water System purchases water from City of Carencro Water System which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Carencro Water System.

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND60ND
2021ND20ND
2022ND20ND
2023ND20ND

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

NOTE: Markridge Park Subdivision Water System purchases water from City of Carencro Water System which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Carencro Water System.

Date Lab ID Result
2019-02-1835449820002ND
2019-02-1835449820001ND
2019-02-1835449820002ND
2019-02-1835449820001ND
2020-04-1335543759004ND
2020-04-1335543759003ND
2020-04-1335543759002ND
2020-04-1335543759001ND
2020-12-0735597474002ND
2020-12-0735597474001ND
2021-08-0335653200001ND
2021-08-0335653200002ND
2021-11-1635678714004ND
2021-11-1635678714005ND
2022-03-2135705902004ND
2022-03-2135705902005ND
2023-03-1335786267001ND
2023-03-1335786267002ND