Erulaş, Fatih Ahmet2024-12-242024-12-2420202147-31292147-3188https://search.trdizin.gov.tr/tr/yayin/detay/377945https://hdl.handle.net/20.500.12604/5557The rapid increase in the population of our country, the growing agricultural, industrial, and mining activities inrecent years and the necessity to meet the needs of the growing population increase the demand for water rapidly.The increase in the need for water requires monitoring and control of surface clean water resources, which arelimited, and determining priority water policies. For this reason, not only the water quality but also the amount ofwater resources is important. In this study, some heavy and metal determinations (As, Cu, Co, Ni, Cd, Cr, Mn, Pb)were performed in the major surface waters (Kezer, Başur, Bitlis, Botan and Zarova rivers) in Siirt region andseasonal changes were investigated. The amount of heavy metals determined as a result of this study is below thelevels determined by WHO (World Health Organization), EPA (Environmental Protection Agency) and TSE(Turkısh Standard İnstitute). However, it was concluded that the levels of these heavy metals analyzed did notchange significantly seasonallyeninfo:eu-repo/semantics/openAccessKimyaAnalitik,Çevre BilimleriArticle92637643377945