Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Crestwood Water Company

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.

 

12

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
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

Date Lab ID Result
2018-06-20Q1824599002ND
2018-06-20Q1824599009ND
2019-02-26Q1908261007ND
2019-02-26Q1908261010ND
2020-05-12Q2018385001ND
2020-05-12Q2018385003ND
2021-12-16Q2135712005ND
2021-12-16Q2135712007ND
2022-03-16Q2208881003ND
2022-11-22Q2235129001ND
2023-02-02Q2304156003ND
2023-02-02Q2304156005ND