DANIELA CIRTINA, CAMELIA CAPATINA QUALITY ISSUES REGARDING THE WATERCOURSES FROM MIDDLE BASIN OF JIU RIVER
The study aims to characterize the quality of surface waters in the middle of the river basin Jiu by monitoring physicochemical indicators of their quality, in 2013-2015. In this regard, the pH, dissolved oxygen (DO), biochemical oxygen demand (BOD5) of nitrate (NO3-), nitrite (NO2-), ammonium (NH4+), total phosphorus (Ptotal), chlorides and sulphates from water have been determined. Water of Jiu River and its tributaries of Gorj county have been monitored on representative sections for the evolution of their quality. It was found that the water from natural reservoirs monitored shows an evolution in the limits permitted by the regulations in force except biochemical oxygen demand and nitrites indicators for river Jiu and Tismana and nitrate and chloride content for Gilort River.