Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Newtown Artesian 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND20ND
2020ND50ND
2021ND20ND
2022ND10ND
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
2018-07-26L7056979-1ND
2018-07-26L7056979-2ND
2018-07-26L7056979-3ND
2019-06-179008627-01ND
2019-06-179008628-01ND
2020-05-0122195062.00ND
2020-05-0122195083.00ND
2020-05-0122195104.00ND
2020-05-0822195125.00ND
2020-05-0822195146.00ND
2021-04-0524041245.00ND
2021-04-0624041266.00ND
2022-04-0526444757.00ND
2023-04-0328502950.00ND
2023-04-0428681654.00ND