Surveys on Water Supply and Sewerage Water supply and sewerage Destination of treated waste water by Autonomous Communities and Cities, source type and period. Unidades: percentage ,2020,2018,2016,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000, Spain, To the sea,27,5,33,2,33,5,32,31,5,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,61,2,55,4,55,8,57,57,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,10,9,11,2,10,4,10,7,10,6,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,3,0,2,0,2,0,2,0,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,1,0,0,1,0,1,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Andalucía, To the sea,35,4,35,36,1,35,7,35,3,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,59,4,60,2,58,56,5,54,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,5,2,4,8,5,9,7,8,8,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,2,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Aragón, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,98,1,92,2,99,2,98,8,99,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,1,9,7,8,0,8,0,8,0,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,4,0,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Asturias, Principado de, To the sea,42,22,8,21,7,25,36,2,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,52,1,70,5,74,5,68,63,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,5,9,6,7,3,8,6,9,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,1,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Balears, Illes, To the sea,37,2,61,8,59,6,40,8,39,7,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,14,4,2,7,3,10,2,8,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,45,4,34,33,45,5,48,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,3,4,0,0,3,2,3,6,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,1,0,3,0,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Canarias, To the sea,75,4,71,6,72,7,79,3,78,4,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,0,9,6,5,7,3,0,6,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,23,7,21,8,19,9,19,9,21,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,2,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,1,0,1,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Cantabria, To the sea,81,2,75,7,79,5,80,2,81,6,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,17,1,23,2,18,8,17,8,16,4,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,1,7,1,1,1,7,2,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Castilla y León, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,99,98,99,1,99,98,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,1,2,0,9,1,1,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Castilla-La Mancha, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,96,8,98,96,2,96,7,93,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,2,8,1,9,3,8,2,9,3,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,4,0,1,0,0,4,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,3,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Cataluña, To the sea,45,5,72,2,66,3,56,1,54,9,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,49,1,23,2,28,7,39,8,40,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,5,4,4,5,4,9,4,4,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,1,0,1,0,1,0,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Comunitat Valenciana, To the sea,24,4,23,16,5,21,9,26,1,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,33,1,32,5,33,6,17,4,17,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,42,5,42,7,47,5,59,4,54,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,1,8,2,4,1,3,2,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Extremadura, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,100,100,100,100,100,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Galicia, To the sea,29,9,22,3,30,5,45,5,42,7,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,58,4,59,5,60,7,54,4,57,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,8,6,18,2,8,8,0,1,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,3,1,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Madrid, Comunidad de, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,97,4,97,7,97,7,97,6,97,8,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,2,6,2,3,2,3,2,4,1,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,5,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Murcia, Región de, To the sea,2,1,1,5,11,5,10,4,5,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,6,5,2,9,16,7,35,7,33,2,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,91,4,95,6,71,8,50,3,61,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,2,0,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,3,4,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Navarra, Comunidad Foral de, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,99,8,100,100,100,100,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,0,1,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,1,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., País Vasco, To the sea,65,7,65,6,67,7,58,9,57,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,33,4,33,2,31,4,39,5,41,7,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,0,9,1,2,0,9,1,6,1,3,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Rioja, La, To the sea,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,100,100,100,100,100,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Ceuta and Melilla, To the sea,100,99,9,100,99,99,..,..,..,..,..,..,..,..,..,..,..,..,.., To a watercourse,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Reused water,0,1,0,1,1,..,..,..,..,..,..,..,..,..,..,..,..,.., Soil infiltrations,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Others,0,0,0,0,0,..,..,..,..,..,..,..,..,..,..,..,..,.., Notas: Fuente: National Statistics Institute