Thesis--Wisconsin. / Vita. Includes bibliographical references (leaves 161-176).

The diploma thesis deals with the issue of water quality in bathing areas on the Vltava River. I concretely concentrated on the quality of water on dams Lipno, Orlík and Slapy. There were two aims. The first of them was observing of selected physical-chemical and microbiological indicators and algae in bathing waters of dams Lipno, Orlík, Slapy situated on the Vltava River between years 2006 and 2016. The second aim was observing of changes in water quality in the Vltava River and dams Lipno, Orlík, Slapy in the direction as river flows in the period of ten years. The thesis is divided into the theoretical and the practical part. The issue of water quality for bathing, indicators for its evaluation and the description of chosen dams on the Vltava River are written in the theoretical part. The practical part was realized by the method of the secondary analysis of data. The analysed data were gained from The National Health Institute with the permission of The Ministry of Health. The next data were given by The State Enterprise, Povodí Vltavy. The time period for the analysis was from years 2006 to 2016. Data gained were described in charts and graphs by the usage of computer programme Microsoft Excel. The part of this thesis was also the outdoor research. The gained results could be used as the source of information not only for general public but also for towns, villages or keepers of recreation facilities situated in this area. On the bases of discovered facts, data, documents, materials, outdoor research and their evaluation there will be given the complete view on the water quality in the dams intended for recreation with prediction about the future progress.