Know Your Environment. Protect Your Health.
EWG Home Skin Deep Database Healthy Living App EWG Verified Open menu

EWG’s Tap
Water Database
Water Contamination Water Filter Guide Consumer Resources News & Insights
TAKE ACTION

Monochlorobenzene (chlorobenzene)

City of West University Place

NOTE: City of West University Place purchases water from City of Houston which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Houston.

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.

MORE ABOUT THIS CONTAMINANT

 

228

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
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

NOTE: City of West University Place purchases water from City of Houston which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by City of Houston.

Date Lab ID Result
2018-01-18AE09263ND
2018-01-18AE09267ND
2018-01-18AE09269ND
2018-01-23AE09882ND
2018-01-23AE09888ND
2018-01-23AE09890ND
2018-01-23AE09892ND
2018-03-29AE20614ND
2018-03-29AE20616ND
2018-03-29AE20620ND
2018-03-29AE20626ND
2018-03-29AE20660ND
2018-03-29AE20668ND
2018-04-26AE24160ND
2018-04-26AE24170ND
2018-04-26AE24174ND
2018-04-26AE24176ND
2018-04-26AE24178ND
2018-04-26AE24184ND
2018-05-22AE27246ND
2018-05-22AE27250ND
2018-05-22AE27262ND
2018-05-22AE27268ND
2018-07-19AE33947ND
2018-07-19AE33949ND
2018-07-19AE33951ND
2018-07-19AE33953ND
2018-07-19AE33955ND
2018-07-19AE33975ND
2018-08-03AE35862ND
2018-08-03AE35866ND
2018-08-15AE37200ND
2018-08-15AE37202ND
2018-08-15AE37214ND
2018-08-15AE37218ND
2018-08-28AE38811ND
2018-09-26AE41758ND
2018-09-26AE41760ND
2018-09-26AE41766ND
2018-09-26AE41768ND
2018-11-14AE46111ND
2019-01-16AE50170ND
2019-03-06AE57359ND
2019-03-06AE57361ND
2019-03-06AE57363ND
2019-03-06AE57365ND
2019-03-06AE57367ND
2019-03-06AE57369ND
2019-04-10AE62068ND
2019-04-11AE62064ND
2019-04-11AE62066ND
2019-06-25AE72011ND
2019-06-25AE72013ND
2019-06-25AE72015ND
2019-07-24AE75989ND
2019-07-24AE75999ND
2019-07-24AE76001ND
2019-07-25AE75991ND
2019-07-25AE75993ND
2019-09-23AE84250ND
2019-09-23AE84254ND
2019-09-23AE84256ND
2019-11-18AE89557ND
2019-11-18AE89559ND
2019-11-18AE89561ND
2019-11-22AE90412ND
2019-11-22AE90414ND
2019-11-22AE90418ND
2019-11-22AE90420ND
2019-12-02AE90834ND
2019-12-02AE90836ND
2019-12-02AE90838ND
2019-12-02AE90840ND
2019-12-02AE90842ND
2019-12-02AE90844ND
2019-12-02AE90846ND
2020-02-25AE99779ND
2020-03-16AF02937ND
2020-03-16AF02941ND
2020-03-16AF02961ND
2020-06-11AF15105ND
2020-06-11AF15107ND
2020-06-29AF17302ND
2020-06-29AF17304ND
2020-06-29AF17306ND
2020-06-29AF17308ND
2020-08-03AF21663ND
2020-08-03AF21665ND
2020-08-03AF21677ND
2020-08-03AF21679ND
2020-08-03AF21681ND
2020-08-26AF25415ND
2020-08-27AF25673ND
2020-08-27AF25675ND
2020-08-27AF25677ND
2020-10-19AF31120ND
2020-10-19AF31122ND
2020-10-19AF31124ND
2020-10-19AF31126ND
2020-10-26AF31906ND
2020-10-26AF31908ND
2020-10-26AF31910ND
2020-10-26AF31912ND
2020-10-26AF31916ND
2020-10-26AF31918ND
2020-11-04AF33264ND
2020-11-04AF33266ND
2020-11-04AF33268ND
2020-11-04AF33270ND
2020-11-04AF33272ND
2020-11-05AF33494ND
2020-11-05AF33496ND
2020-11-05AF33502ND
2020-11-30AF35856ND
2020-12-02AF36289ND
2020-12-04AF36697ND
2021-02-10Q2104495001ND
2021-02-10Q2104495003ND
2021-04-28AF51950ND
2021-04-28AF51956ND
2021-04-29AF51940ND
2021-04-29AF51946ND
2021-04-29AF51948ND
2021-04-29AF51952ND
2021-07-21AF62844ND
2021-07-21AF62846ND
2021-07-21AF62848ND
2021-07-21AF62856ND
2021-07-21AF62858ND
2021-07-21AF62860ND
2021-07-21AF62862ND
2021-07-21AF62864ND
2021-08-03AF64495ND
2021-08-03AF64497ND
2021-08-03AF64499ND
2021-08-03AF64501ND
2021-08-03AF64503ND
2021-08-03AF64505ND
2021-08-03AF64507ND
2021-08-03AF64509ND
2021-09-09AF69339ND
2021-09-09AF69351ND
2021-09-09AF69353ND
2021-10-13AF73358ND
2021-10-13AF73360ND
2021-10-13AF73362ND
2021-10-13AF73364ND
2021-10-13AF73368ND
2021-10-13AF73376ND
2021-10-13AF73378ND
2021-12-14AF78698ND
2021-12-14AF78700ND
2021-12-14AF78702ND
2021-12-14AF78704ND
2021-12-15AF78830ND
2021-12-15AF78832ND
2021-12-15AF78834ND
2021-12-15AF78836ND
2022-02-18AF85699ND
2022-03-23AF90206ND
2022-03-24AF90490ND
2022-03-24AF90492ND
2022-05-19AF97772ND
2022-05-19AF97776ND
2022-05-19AF97778ND
2022-05-19AF97780ND
2022-05-19AF97782ND
2022-06-29AG02791ND
2022-06-29AG02795ND
2022-08-16AG09468ND
2022-08-16AG09470ND
2022-08-16AG09472ND
2022-08-16AG09474ND
2022-08-17AG09684ND
2022-08-17AG09730ND
2022-09-20AG13905ND
2022-10-10AG16462ND
2022-10-10AG16464ND
2022-10-10AG16466ND
2022-10-10AG16468ND
2022-10-10AG16476ND
2022-10-10AG16478ND
2022-10-11AG16691ND
2022-10-11AG16693ND
2022-10-11AG16695ND
2022-10-24AG18098ND
2022-10-24AG18100ND
2022-10-24AG18102ND
2022-10-24AG18104ND
2022-10-25AG18371ND
2022-10-25AG18373ND
2022-10-25AG18375ND
2023-01-31AG26806ND
2023-02-23AG30266ND
2023-04-06AG35838ND
2023-04-06AG35840ND
2023-04-06AG35842ND
2023-04-06AG35844ND
2023-04-06AG35846ND
2023-04-06AG35860ND
2023-05-16AG40863ND
2023-05-17AG40865ND
2023-06-27AG46175ND
2023-06-27AG46177ND
2023-06-27AG46195ND
2023-06-27AG46205ND
2023-06-27AG46213ND
2023-06-27AG46215ND
2023-08-23AG53733ND
2023-08-23AG53735ND
2023-08-24AG54058ND
2023-09-21AG57282ND
2023-09-21AG57284ND
2023-09-21AG57286ND
2023-09-21AG57288ND
2023-10-10AG59147ND
2023-10-10AG59149ND
2023-10-10AG59159ND
2023-10-10AG59161ND
2023-10-10AG59163ND
2023-10-11AG59453ND
2023-10-11AG59455ND
2023-10-11AG59457ND
2023-11-30AG65050ND
2023-12-18AG66850ND
2023-12-18AG66852ND
2023-12-18AG66854ND
2023-12-18AG66856ND