Peninsular Spain & Jucar River Basin
Peninsular Territory of Spain is 505,990 km², with a population of 47 million. The average annual rainfall is 684 mm, equivalent to 346,000 hm³ / year, average runoff of 220 mm, with an average yearly volume of natural resources of 111,000 hm³, of which 82,000 hm³ are surface water, and 29,000 hm³ are groundwater. The Jucar River, the main river of the hydrographic demarcation that gives its name to the entire basin, has 497.5 km. The JRB extends over five autonomous communities: The Community of Valencia (50%), the Community of Castilla-La Mancha (37.6%), Aragón (12.6%), Catalonia (0.20%), and Murcia (0.15%).