Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

South Middleton Twp 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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND90ND
2022ND90ND
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
2018-05-158052993-01ND
2018-05-158052993-02ND
2018-05-158052993-03ND
2019-05-149052836-02ND
2019-05-149052836-03ND
2019-05-149052836-01ND
2020-05-1422355431.00ND
2020-05-1422355410.00ND
2020-05-1422355389.00ND
2021-02-1724007064.00ND
2021-02-1724007016.00ND
2021-02-1724007040.00ND
2021-05-1824579643.00ND
2021-05-1824579692.00ND
2021-05-1824579668.00ND
2021-08-1725164860.00ND
2021-08-1725164909.00ND
2021-08-1725164885.00ND
2022-05-1726788410.00ND
2022-05-1726788459.00ND
2022-05-1726788435.00ND
2022-08-2327587418.00ND
2022-08-2327587419.00ND
2022-08-2327587417.00ND
2022-11-1627948237.00ND
2022-11-1627948261.00ND
2022-11-1627948212.00ND
2023-03-3028650594.00ND
2023-03-3028650643.00ND
2023-03-3028650619.00ND
2023-05-2529247772.00ND
2023-05-2529247771.00ND
2023-05-2529247770.00ND