Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Leagueville 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
2020ND20ND
2021ND20ND
2022ND20ND
2023ND40ND

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
2018-10-15Q1840932002ND
2018-10-15Q1840932004ND
2019-07-15Q1944773004ND
2019-07-15Q1944773006ND
2020-07-08Q2026823005ND
2020-07-08Q2026823007ND
2021-06-17Q2115930002ND
2021-12-15Q2135525002ND
2022-07-19Q2220684007ND
2022-07-19Q2220684009ND
2023-06-22Q2324029006ND
2023-06-22Q2324029016ND
2023-08-29Q2337341001ND
2023-11-20Q2349791001ND