Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Dean Dale Special Utility District

NOTE: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Wichita Falls.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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

NOTE: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Wichita Falls.

Date Lab ID Result
2018-08-21Q1833473002ND
2018-11-14Q1846491001ND
2019-05-14Q1925075001ND
2019-08-19Q1956634012ND
2020-09-23Q2037767001ND
2020-11-10Q2044047001ND
2021-02-03Q2103346004ND
2021-08-16Q2121825003ND
2022-08-17Q2224340018ND
2022-08-17Q2224340023ND
2023-08-21Q2335127007ND
2023-08-21Q2335127009ND