Physicochemical Quality of Drinking Water of Kermanshah Province

Physicochemical quality of drinking water has a direct impact on consumer health and fluoride, nitrite, nitrate, total dissolved solids compounds and ph are their important parameters that have closely relationship with community health. in many cases, source nitrate of water is due to agriculture activities, landfill sites and also potassium nitrate that used in the manufacture of glass, nitrite in form of sodium nitrite used as a food preservative too. also there are different levels of fluoride in natural waters and its high concentration is usually found in very vast geographic areas in the belt deposits, volcanic and granitic rocks. adverse amount of these compounds in water can cause a variety of diseases including met-hemoglobinema, skeletal and dental inelegance, down syndrome and reduce iq (intelligence quotient) [1].