Hiwa Hossaini - Department of Environmental Health engineering, School of Health, Kermanshah University of Medical Sciences, Kermanshah Iran.
Shoeib Rahimi - Department of Environmental Health engineering, School of Health, Kermanshah University of Medical Sciences, Kermanshah Iran.
Shahram Usefi - Department of Environmental Health engineering, School of Health, Kermanshah University of Medical Sciences, Kermanshah Iran.

In this study, the amount of water consumed in the carwashes of Kermanshah city was evaluated according to the type of water source used. Also, the existence of preliminary and primary wastewater treatment facilities was investigated. The most important type of detergents used was also determined. The results indicated that 77% of carwashes used municipal water distribution system as the water source and remaining used well water. The average water consumption in the surveyed carwashes was 195.4 liter per day per light vehicle. There is lack of full wastewater treatment facility in all the carwashes, and the only observed wastewater treatment facility was bar screen that was seen in 91.6% of the carwash units

Carwash,Kermanshah city,Water consumption,Treatment facility,