Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Horsham Water&sewer 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.

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND130ND
2020ND230ND
2021ND180ND
2022ND180ND
2023ND150ND

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
2018-01-30AF74813ND
2018-01-30AF74814ND
2018-02-13AF75932ND
2018-03-23AF79016ND
2018-06-22AF86999ND
2018-08-30AF94269ND
2018-10-03AF96985ND
2018-12-27AG04620ND
2019-02-11AG07773ND
2019-02-11AG07771ND
2019-02-11AG07775ND
2019-02-11AG07772ND
2019-02-27AG09179ND
2019-04-11AG13046ND
2019-04-11AG13047ND
2019-05-09AG16016ND
2019-05-09AG16019ND
2019-05-23AG16891ND
2019-08-21AG28299ND
2019-09-18AG31925ND
2019-09-18AG31924ND
2020-01-1621502669.00ND
2020-01-1621502648.00ND
2020-01-1621502627.00ND
2020-01-1621502606.00ND
2020-03-1221846192.00ND
2020-03-1221846171.00ND
2020-03-1221846150.00ND
2020-03-1221846129.00ND
2020-03-1221846108.00ND
2020-04-0822021670.00ND
2020-04-0822021628.00ND
2020-04-0822021607.00ND
2020-04-0822021649.00ND
2020-05-2022214512.00ND
2020-05-2022214491.00ND
2020-07-2222607046.00ND
2020-07-2222607025.00ND
2020-07-2222607067.00ND
2020-07-2222607004.00ND
2020-10-2123181853.00ND
2020-10-2123181832.00ND
2020-10-2123181790.00ND
2020-10-2123181811.00ND
2021-01-0623888210.00ND
2021-01-0623888189.00ND
2021-01-0623888147.00ND
2021-01-0623888168.00ND
2021-05-1324438517.00ND
2021-05-1324438496.00ND
2021-05-1324438475.00ND
2021-05-1324438454.00ND
2021-07-0824828075.00ND
2021-07-2124828180.00ND
2021-07-2124828243.00ND
2021-07-2124828222.00ND
2021-07-2124828201.00ND
2021-07-2925022393.00ND
2021-09-2925220238.00ND
2021-10-0725403898.00ND
2021-10-1325403913.00ND
2021-10-2725403943.00ND
2022-01-0526117098.00ND
2022-01-1226117056.00ND
2022-01-1226117077.00ND
2022-02-1026117155.00ND
2022-02-1726117035.00ND
2022-02-2426117132.00ND
2022-04-0626463512.00ND
2022-04-2026463554.00ND
2022-04-2026463575.00ND
2022-04-2026463533.00ND
2022-07-0727037108.00ND
2022-07-1327037087.00ND
2022-07-1327037066.00ND
2022-07-1427037045.00ND
2022-11-0227822999.00ND
2022-11-0927822936.00ND
2022-11-1027822957.00ND
2022-11-1027822978.00ND
2023-01-1828172710.00ND
2023-01-1928172689.00ND
2023-01-2628172731.00ND
2023-01-2628172752.00ND
2023-04-1228702141.00ND
2023-04-2628702183.00ND
2023-04-2628702204.00ND
2023-04-2628702120.00ND
2023-04-2628702162.00ND
2023-07-2729301896.00ND
2023-07-2729301875.00ND
2023-07-2729301917.00ND
2023-10-1929886675.00ND
2023-10-1929886654.00ND
2023-10-1929886633.00ND