Estadísticas sobre el Suministro y Saneamiento del Agua Suministro y saneamiento del agua Destino de las aguas residuales tratadas por comunidades y ciudades autónomas, lugar de destino y periodo Unidades: porcentaje ,2020,2018,2016,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000, Total Nacional, Al mar,27,5,33,2,33,5,32,0,31,5,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,61,2,55,4,55,8,57,0,57,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,10,9,11,2,10,4,10,7,10,6,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,3,0,2,0,2,0,2,0,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,1,0,0,0,1,0,1,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., 01 Andalucía, Al mar,35,4,35,0,36,1,35,7,35,3,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,59,4,60,2,58,0,56,5,54,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,5,2,4,8,5,9,7,8,8,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,2,4,..,..,..,..,..,..,..,..,..,..,..,..,.., 02 Aragón, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,98,1,92,2,99,2,98,8,99,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,1,9,7,8,0,8,0,8,0,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,4,0,2,..,..,..,..,..,..,..,..,..,..,..,..,.., 03 Asturias, Principado de, Al mar,42,0,22,8,21,7,25,0,36,2,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,52,1,70,5,74,5,68,0,63,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,5,9,6,7,3,8,6,9,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,1,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 04 Balears, Illes, Al mar,37,2,61,8,59,6,40,8,39,7,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,14,0,4,2,7,3,10,2,8,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,45,4,34,0,33,0,45,5,48,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,3,4,0,0,0,0,3,2,3,6,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,1,0,3,0,4,..,..,..,..,..,..,..,..,..,..,..,..,.., 05 Canarias, Al mar,75,4,71,6,72,7,79,3,78,4,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,0,9,6,5,7,3,0,6,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,23,7,21,8,19,9,19,9,21,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,2,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,1,0,1,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 06 Cantabria, Al mar,81,2,75,7,79,5,80,2,81,6,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,17,1,23,2,18,8,17,8,16,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,1,7,1,1,1,7,2,0,2,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 07 Castilla y León, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,99,0,98,0,99,1,99,0,98,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,1,0,2,0,0,9,1,0,1,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 08 Castilla - La Mancha, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,96,8,98,0,96,2,96,7,93,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,2,8,1,9,3,8,2,9,3,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,4,0,1,0,0,0,4,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,3,3,..,..,..,..,..,..,..,..,..,..,..,..,.., 09 Cataluña, Al mar,45,5,72,2,66,3,56,1,54,9,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,49,1,23,2,28,7,39,8,40,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,5,4,4,5,4,9,4,0,4,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,1,0,1,0,1,0,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 10 Comunitat Valenciana, Al mar,24,4,23,0,16,5,21,9,26,1,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,33,1,32,5,33,6,17,4,17,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,42,5,42,7,47,5,59,4,54,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,1,8,2,4,1,3,2,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 11 Extremadura, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,100,0,100,0,100,0,100,0,100,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 12 Galicia, Al mar,29,9,22,3,30,5,45,5,42,7,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,58,4,59,5,60,7,54,4,57,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,8,6,18,2,8,8,0,1,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,3,1,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 13 Madrid, Comunidad de, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,97,4,97,7,97,7,97,6,97,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,2,6,2,3,2,3,2,4,1,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 14 Murcia, Región de, Al mar,2,1,1,5,11,5,10,4,5,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,6,5,2,9,16,7,35,7,33,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,91,4,95,6,71,8,50,3,61,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,2,0,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,3,4,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 15 Navarra, Comunidad Foral de, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,99,8,100,0,100,0,100,0,100,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,0,1,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,1,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 16 País Vasco, Al mar,65,7,65,6,67,7,58,9,57,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,33,4,33,2,31,4,39,5,41,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,0,9,1,2,0,9,1,6,1,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., 17 Rioja, La, Al mar,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,100,0,100,0,100,0,100,0,100,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Ceuta y Melilla, Al mar,100,0,99,9,100,0,99,0,99,0,..,..,..,..,..,..,..,..,..,..,..,..,.., A un cauce fluvial,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Agua reutilizada,0,0,1,0,0,0,1,0,1,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Infiltraciones al terreno,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Otros,0,0,0,0,0,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Notas: Fuente: Instituto Nacional de Estadística