Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Trumbauersville Municipal Waterworks

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND10ND
2023ND70ND

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
2018-12-233007776001ND
2019-03-313025257001ND
2019-06-303043361001ND
2019-09-183059109001ND
2019-12-313078526002ND
2020-03-3121832493.00ND
2020-12-2923522838.00ND
2021-09-3025204791.00ND
2021-09-3025204814.00ND
2022-12-2927984504.00ND
2023-05-1829093139.00ND
2023-05-2629093141.00ND
2023-05-2629093140.00ND
2023-08-1729481202.00ND
2023-08-2329481203.00ND
2023-10-2529872585.00ND
2023-11-1030057814.00ND