This work gives a general description of one of the most important Italian Consortium 'Consorzio per la Bonifica della Capitanata' providing information about irrigation schemes, institutional setup, organization of technical services, operation, maintenance and management organization and activities and costs centers. A particular attention is given to the explanation of operational costs which is based on the data related to the reference year 2003. Total surface area under consideration was of about 127,298 Ha The analysis is performed for three main irrigation schemes and operational centers and includes the list of main expenditure items, cropping systems and costs and volumes of water supplied, aggregate cost of storage - conveyance distribution activities, the personnel in charge of management and maintenance, other purchases and supplies.