Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Wausaukee Waterworks

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021ND20ND
2022ND20ND
2023ND60ND

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
2020-09-091213099ND
2021-05-031251777ND
2021-05-041251781ND
2022-08-171330526ND
2022-12-131353172ND
2023-03-15CB02472-02ND
2023-06-07CB06062-03ND
2023-06-07CB06062-05ND
2023-09-11CB10837-01ND
2023-11-08CB13656-01ND
2023-11-15CB14107-01ND