Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

City of Goliad

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND30ND
2023ND50ND

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
2018-09-19AE40777ND
2018-09-19AE40779ND
2019-08-13AE78325ND
2019-08-13AE78329ND
2020-09-01AF26054ND
2020-09-01AF26086ND
2021-08-17AF66702ND
2021-08-17AF66704ND
2022-10-25AG18335ND
2022-10-25AG18337ND
2022-10-25AG18339ND
2023-01-31AG26782ND
2023-03-21AG33808ND
2023-05-04AG39389ND
2023-05-04AG39391ND
2023-08-02AG51126ND