Po River Basin (Italy)
The Po river is the longest river in Italy, with a total length of over 650 km. Po river basin, has 15.764.600 inhabitants. The total annual water uptake is of 20.5 billion m3 . 2.5 billion m3 for urban uses and 1.5 billion m3 for industrial use. This area is characterized by intensive agriculture which is concentrated in three regions: 37% of the whole UAA is in Lombardy region, 31.5% in Piedmont and 30% in Emilia Romagna.
Agriculture accounts for 1.5% of the GDP. The area considered for the Italian target region involve 4 regions (Piemonte, Lombardia, Emilia Romagna, Veneto) and include the large part of the most important towns, industrial and agricultural areas in Northern Italy. From the study areas have been excluded the river basins portion pertaining to Liguria, Valle d’Aosta, Toscana, Marche and Trentino-Alto Adige, as well as those areas located in France and Switzerland. In the study area operate 710 Waste Water Treatment Plants equipped with tertiary treatment technologies.