Yüzeysel su havzasında mikrokirleticilerin izlenmesi ve değerlendirilmesi

European Water Framework Directive (WFD) focuses on providing sustainable management of water to protect water resources. The main objective of WFD is to achieve "good water status" in a water body. Inland surface, coastal and transitional waters must achieve "good ecological and chemical status" to protect water resources, natural ecosystems and biodiversity. Chemical pollution in water resources has a significant influence on achieving a good chemical status in water bodies. The main concern about this is the priority pollutants and specific pollutants. Priority pollutants to be monitored have been determined by Directive 2008/105/EC of the European Parliament of the Council. On the other hand, EU Member and candidate countries have to determine pollutants that are specific to their countries based on the industrial or domestic point as well as non-point discharges. Moreover, there is an urgent need in the determination of Environmental Quality Standards (EQS) for the listed national specific pollutants. Regarding these facts, this study was designed to determine the status of physicochemical, specific and priority pollutants in the Büyük Menderes River Basin (BMRB). The pollution level in the basin was evaluated based on the criteria given in WFD and Turkish Surface Water Quality Regulation (SWQR). The observed concentrations of the pollutants were compared with EQS of WFD and pollutants which exist in the basin at concentrations higher than EQS levels were determined. The water quality classes of each station were evaluated according to both WFD and SWQR. Finally, chemical status of the BMRB based on WFD was evaluated.