Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Sky Lakes 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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND50ND
2022ND50ND
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
2018-01-09AE08411ND
2018-01-09AE08351ND
2018-04-10AE21888ND
2018-07-31AE35102ND
2018-10-23AE44310ND
2019-02-27AE56273ND
2019-02-27AE56281ND
2019-05-01AE64373ND
2019-07-23AE75575ND
2019-10-31AE88166ND
2020-03-05AF01447ND
2020-03-05AF01449ND
2020-06-16AF15557ND
2020-07-29AF21397ND
2020-12-02AF36267ND
2021-03-10AF46288ND
2021-03-10AF46290ND
2021-06-16AF58379ND
2021-08-19AF67194ND
2021-10-19AF73965ND
2022-02-08AF83727ND
2022-02-08AF83731ND
2022-05-11AF96525ND
2022-09-13AG12684ND
2022-12-16AG22192ND
2023-01-25AG26252ND
2023-01-25AG26268ND
2023-05-10AG40015ND
2023-08-25AG54325ND
2023-11-02AG62193ND