Surveys on Water Supply and Sewerage Water supply and sewerage Destination of the sludge by Autonomous Communities and Cities, source type and period. Units: percentage 2022 2020 2018 2016 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 National Total Agriculture, forestry and gardening 81.7 86.0 87.0 80.2 79.7 77.4 70.8 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 7.9 9.5 5.5 9.5 9.0 10.8 11.6 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 10.3 4.5 7.5 10.3 11.3 11.8 17.6 .. .. .. .. .. .. .. .. .. .. .. .. 01 Andalucía Agriculture, forestry and gardening 86.5 94.1 94.2 92.2 87.2 86.6 80.1 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 4.7 0.1 1.6 3.0 3.5 1.8 2.9 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 8.8 5.8 4.2 4.8 9.3 11.6 17.0 .. .. .. .. .. .. .. .. .. .. .. .. 02 Aragón Agriculture, forestry and gardening 53.7 58.3 98.5 68.5 62.0 61.2 59.4 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 41.6 40.2 0.0 29.7 31.2 31.3 32.8 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 4.7 1.5 1.5 1.8 6.8 7.5 7.8 .. .. .. .. .. .. .. .. .. .. .. .. 03 Asturias, Principado de Agriculture, forestry and gardening 50.4 21.9 4.2 0.0 68.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 40.8 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 49.6 78.1 55.0 100.0 32.0 100.0 100.0 .. .. .. .. .. .. .. .. .. .. .. .. 04 Balears, Illes Agriculture, forestry and gardening 36.6 45.0 60.5 61.4 27.6 38.5 71.0 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 9.5 52.1 39.5 38.6 71.4 61.5 25.9 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 52.5 2.9 0.0 0.0 1.0 0.0 3.1 .. .. .. .. .. .. .. .. .. .. .. .. 05 Canarias Agriculture, forestry and gardening 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 54.3 52.7 11.3 9.6 13.8 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 45.7 47.3 88.7 90.4 86.2 100.0 100.0 .. .. .. .. .. .. .. .. .. .. .. .. 06 Cantabria Agriculture, forestry and gardening 98.0 94.6 92.5 85.2 68.4 1.6 0.9 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 0.0 0.0 0.0 78.2 98.2 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 2.0 5.4 7.5 14.8 31.6 20.2 0.9 .. .. .. .. .. .. .. .. .. .. .. .. 07 Castilla y León Agriculture, forestry and gardening 97.4 99.3 94.8 81.8 90.7 95.6 94.8 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.6 0.0 0.0 0.0 0.0 0.0 0.2 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 2.0 0.7 5.2 18.2 9.3 4.4 5.0 .. .. .. .. .. .. .. .. .. .. .. .. 08 Castilla - La Mancha Agriculture, forestry and gardening 99.4 100.0 88.2 68.2 65.7 73.1 87.8 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.6 0.0 11.8 31.8 34.3 26.9 12.2 .. .. .. .. .. .. .. .. .. .. .. .. 09 Cataluña Agriculture, forestry and gardening 90.7 96.2 95.8 87.2 85.4 75.2 65.6 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 3.0 2.3 2.0 7.3 7.7 17.5 27.7 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 6.3 1.5 2.2 5.5 6.9 7.3 6.7 .. .. .. .. .. .. .. .. .. .. .. .. 10 Comunitat Valenciana Agriculture, forestry and gardening 93.7 91.0 88.7 89.1 89.7 91.8 74.7 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 6.3 9.0 9.8 10.8 10.2 8.2 4.2 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.0 0.0 1.5 0.1 0.1 0.0 21.1 .. .. .. .. .. .. .. .. .. .. .. .. 11 Extremadura Agriculture, forestry and gardening 99.9 100.0 99.9 97.4 83.1 75.6 72.4 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.1 0.0 0.1 2.6 16.9 24.4 27.6 .. .. .. .. .. .. .. .. .. .. .. .. 12 Galicia Agriculture, forestry and gardening 84.4 84.4 48.2 44.3 59.8 47.4 90.7 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 2.6 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 15.6 15.6 49.2 55.7 40.2 52.6 9.3 .. .. .. .. .. .. .. .. .. .. .. .. 13 Madrid, Comunidad de Agriculture, forestry and gardening 96.7 90.9 97.1 95.4 90.8 99.7 97.6 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 3.0 9.1 2.9 2.8 6.6 0.3 2.3 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.3 0.0 0.0 1.8 2.6 0.0 0.1 .. .. .. .. .. .. .. .. .. .. .. .. 14 Murcia, Región de Agriculture, forestry and gardening 96.6 60.5 99.5 93.1 87.8 87.9 92.6 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 32.2 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 3.4 7.3 0.5 6.9 12.2 12.1 7.4 .. .. .. .. .. .. .. .. .. .. .. .. 15 Navarra, Comunidad Foral de Agriculture, forestry and gardening 100.0 100.0 100.0 100.0 99.1 99.3 97.7 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.0 0.0 0.0 0.0 0.9 0.7 2.3 .. .. .. .. .. .. .. .. .. .. .. .. 16 País Vasco Agriculture, forestry and gardening 59.9 50.2 62.3 59.4 48.0 46.1 34.2 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 40.1 49.8 29.9 31.3 33.2 35.9 42.8 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.0 0.0 7.8 9.3 18.8 18.0 23.0 .. .. .. .. .. .. .. .. .. .. .. .. 17 Rioja, La Agriculture, forestry and gardening 100.0 100.0 100.0 100.0 100.0 100.0 100.0 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Ceuta and Melilla Agriculture, forestry and gardening 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Incineration or energy recovery 100.0 100.0 100.0 100.0 100.0 0.0 0.0 .. .. .. .. .. .. .. .. .. .. .. .. Landfill 0.0 0.0 0.0 0.0 0.0 100.0 100.0 .. .. .. .. .. .. .. .. .. .. .. .. Notes: Source: National Statistics Institute