Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Erie City Water Authority

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND50ND
2020ND30ND
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
2018-01-083849232ND
2018-02-203876401ND
2018-05-083931239ND
2018-05-213941491ND
2018-08-064012683ND
2018-08-214030524ND
2018-11-054111318ND
2019-01-234181796ND
2019-05-214302831ND
2019-09-104415500ND
2019-11-189112945-01ND
2019-11-184489097ND
2020-03-1921954392.00ND
2020-05-1822336349.00ND
2020-09-0923112188.00ND
2021-04-0624363641.00ND
2021-05-1924561045.00ND
2022-04-1226577569.00ND
2022-05-1726770602.00ND
2023-04-0428825977.00ND
2023-04-1828826035.00ND