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In 1997 and 2010, two great floods occurred in the area of Poland. In the year 2015, the area of Poland was affected by extreme temperature. In the time of global warming, the water management should play significant role. Thus, the purpose of the paper is to verify the efficiency of the water management in Poland. The methodology consists of two parts: data collection and data analysis. The data were collected from two databases: the EM-DAT (Emergency Events Database) and the BDL—GUS (Local Data Bank of the Central Statistical Office of Poland). After the analysis, conclusions were drawn. The hypothesis of the paper was verified negatively: The efficiency of the water management in Poland did not become better after the great flood in the year 2010. In the period 1998-2009, the average cost of building 1 km levees achieved 388,000 US$ and in the years 2010-2014—606,000 US$. The situation is similar in the case of regulation and development of rivers and streams. In the period 1998-2009, the average cost of regulating and developing rivers and streams 1 km levees was 155,000 US$ and in the years 2010-2014—249,000 US$.

The Efficiency of Water Management in the Area of Poland—Chosen Aspects