Ayşe Kuleyin1, Nazlı Ayyıldız Turan2, Özcan Çoluk1 1 Ondokuz Mayis University, Environmental Engineering Department, Samsun/Turkey 2General Directorate of State Hydraulic Works, 7. Regional Directorate, Samsun/Turkey akuleyin@omu.edu.tr   Abstract Severe shortage of clean drinking water is being felt by billions of people around the world. Therefore, a clean and efficient use of water resources seems to […]