Zhodnocení revitalizace vodní nádrže Olešná

This diploma thesis aims to assess the restoration of the Olešná water reservoir. The goal of the thesis is to evaluate the measured values of the risk elements and hazardous substances from the sediments extracted from the Olešná reservoir according to Decree No. 257/2009 Coll. on the Use of Sediments on Agricultural Land. Another objective of the thesis is the analysis of basic parameters of water quality. The selected parameters are aggregate phosphorus, aggregate nitrogen, calcium and magnesium. The results of the monitoring are compared with the values of permissible surface water pollution from the Government Ordinance No. 401/2015 Coll. The source data for this thesis were provided by Povodí Odry, s.p. (Odra River Basin Enterprise). Literature review relates to topics of water reservoirs, soil erosion, sediments, quality and pollution of surface waters