Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Windmill Ranch Subdivision

NOTE: Windmill Ranch Subdivision purchases water from Clwsc Canyon Lake Shores which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by Clwsc Canyon Lake Shores.

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.

 

81

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
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: Windmill Ranch Subdivision purchases water from Clwsc Canyon Lake Shores which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by Clwsc Canyon Lake Shores.

Date Lab ID Result
2018-02-07AE12783ND
2018-02-07AE12781ND
2018-02-07AE12787ND
2018-05-16AE26612ND
2018-05-16AE26610ND
2018-05-16AE26608ND
2018-05-17AE26793ND
2018-05-17AE26813ND
2018-05-17AE26811ND
2018-05-17AE26809ND
2018-05-17AE26807ND
2018-05-17AE26795ND
2018-07-26AE34680ND
2018-07-26AE34682ND
2018-07-26AE34700ND
2018-11-06AE45425ND
2019-02-06AE53212ND
2019-02-06AE53214ND
2019-02-06AE53216ND
2019-04-23AE63384ND
2019-04-23AE63386ND
2019-08-20AE79904ND
2019-08-20AE79908ND
2019-10-30AE88002ND
2019-10-30AE88004ND
2019-10-30AE88006ND
2019-10-30AE88008ND
2020-01-15AE93761ND
2020-03-17AF03255ND
2020-03-17AF03267ND
2020-06-16AF15593ND
2020-07-23AF20446ND
2020-07-23AF20452ND
2020-09-03AF26472ND
2020-09-03AF26474ND
2020-09-03AF26476ND
2020-10-14AF30631ND
2020-10-14AF30633ND
2021-03-11AF46527ND
2021-04-21AF50935ND
2021-04-21AF50931ND
2021-04-21AF50929ND
2021-05-12AF53548ND
2021-05-12AF53562ND
2021-05-12AF53560ND
2021-05-12AF53556ND
2021-05-12AF53558ND
2021-08-24AF67704ND
2021-08-24AF67706ND
2021-08-24AF67708ND
2021-10-13AF73356ND
2021-10-13AF73350ND
2021-10-13AF73346ND
2021-10-13AF73344ND
2021-11-30AF77510ND
2021-11-30AF77524ND
2022-02-07AF83307ND
2022-02-07AF83309ND
2022-02-07AF83311ND
2022-04-11AF92707ND
2022-06-22AG01948ND
2022-06-22AG01946ND
2022-06-22AG01940ND
2022-08-23AG10532ND
2022-08-23AG10534ND
2022-08-23AG10536ND
2022-11-21AG19452ND
2022-11-21AG19454ND
2023-04-12AG36528ND
2023-04-12AG36548ND
2023-06-07AG43537ND
2023-06-07AG43533ND
2023-09-12AG55805ND
2023-09-12AG55819ND
2023-10-17AG60105ND
2023-10-17AG60107ND
2023-10-17AG60109ND
2023-11-09AG63073ND
2023-11-09AG63075ND
2023-12-20AG67185ND
2023-12-20AG67195ND