Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Sea Girt Water Department

NOTE: Sea Girt Water Department purchases water from NJ Water Supply Authority Manasquan which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by NJ Water Supply Authority Manasquan.

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND20ND
2021ND10ND
2022N/A00N/A
2023ND10ND

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

NOTE: Sea Girt Water Department purchases water from NJ Water Supply Authority Manasquan which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by NJ Water Supply Authority Manasquan.

Date Lab ID Result
2018-03-27380327079ND
2018-03-27380327078ND
2018-03-27380327077ND
2018-09-04380904735ND
2018-09-04380904736ND
2018-09-04380904737ND
2019-03-26390326704ND
2019-09-10390910713ND
2019-09-11390912720ND
2020-03-173093847001ND
2020-09-17200917023-02ND
2021-03-09210309060-02ND
2023-03-28230328034-01ND