Treatment Type of indicator National Total Autonomous Communities and Cities Total Before Chemical oxygen demand (COD) Spain 715.4 Before Chemical oxygen demand (COD) Spain Andalucía 1,122.8 Before Chemical oxygen demand (COD) Spain Aragón 491.2 Before Chemical oxygen demand (COD) Spain Asturias (Principado de) 224.1 Before Chemical oxygen demand (COD) Spain Balears (Illes) 555.6 Before Chemical oxygen demand (COD) Spain Canarias 720.2 Before Chemical oxygen demand (COD) Spain Cantabria 544.9 Before Chemical oxygen demand (COD) Spain Castilla y León 589.5 Before Chemical oxygen demand (COD) Spain Castilla-La Mancha 770.8 Before Chemical oxygen demand (COD) Spain Cataluña 598.7 Before Chemical oxygen demand (COD) Spain Comunidad Valenciana 578.3 Before Chemical oxygen demand (COD) Spain Extremadura 656.6 Before Chemical oxygen demand (COD) Spain Galicia 618.3 Before Chemical oxygen demand (COD) Spain Madrid (Comunidad de) 481.9 Before Chemical oxygen demand (COD) Spain Murcia (Región de) 1,283.7 Before Chemical oxygen demand (COD) Spain Navarra (Comunidad Foral de) 573.8 Before Chemical oxygen demand (COD) Spain País Vasco 588.1 Before Chemical oxygen demand (COD) Spain Rioja (La) 449.0 Before Chemical oxygen demand (COD) Ceuta and Melilla 960.0 Before Biochemistry oxygen demand (DBO5) Spain 327.5 Before Biochemistry oxygen demand (DBO5) Spain Andalucía 352.5 Before Biochemistry oxygen demand (DBO5) Spain Aragón 218.5 Before Biochemistry oxygen demand (DBO5) Spain Asturias (Principado de) 140.6 Before Biochemistry oxygen demand (DBO5) Spain Balears (Illes) 384.3 Before Biochemistry oxygen demand (DBO5) Spain Canarias 466.5 Before Biochemistry oxygen demand (DBO5) Spain Cantabria 266.6 Before Biochemistry oxygen demand (DBO5) Spain Castilla y León 315.9 Before Biochemistry oxygen demand (DBO5) Spain Castilla-La Mancha 418.6 Before Biochemistry oxygen demand (DBO5) Spain Cataluña 302.6 Before Biochemistry oxygen demand (DBO5) Spain Comunidad Valenciana 319.0 Before Biochemistry oxygen demand (DBO5) Spain Extremadura 326.8 Before Biochemistry oxygen demand (DBO5) Spain Galicia 292.6 Before Biochemistry oxygen demand (DBO5) Spain Madrid (Comunidad de) 242.6 Before Biochemistry oxygen demand (DBO5) Spain Murcia (Región de) 588.8 Before Biochemistry oxygen demand (DBO5) Spain Navarra (Comunidad Foral de) 302.0 Before Biochemistry oxygen demand (DBO5) Spain País Vasco 343.8 Before Biochemistry oxygen demand (DBO5) Spain Rioja (La) 256.0 Before Biochemistry oxygen demand (DBO5) Ceuta and Melilla 300.0 Before Solids in suspension Spain 318.3 Before Solids in suspension Spain Andalucía 354.6 Before Solids in suspension Spain Aragón 266.7 Before Solids in suspension Spain Asturias (Principado de) 172.4 Before Solids in suspension Spain Balears (Illes) 296.2 Before Solids in suspension Spain Canarias 284.2 Before Solids in suspension Spain Cantabria 373.5 Before Solids in suspension Spain Castilla y León 259.2 Before Solids in suspension Spain Castilla-La Mancha 377.4 Before Solids in suspension Spain Cataluña 323.3 Before Solids in suspension Spain Comunidad Valenciana 544.9 Before Solids in suspension Spain Extremadura 274.5 Before Solids in suspension Spain Galicia 282.8 Before Solids in suspension Spain Madrid (Comunidad de) 254.0 Before Solids in suspension Spain Murcia (Región de) 420.4 Before Solids in suspension Spain Navarra (Comunidad Foral de) 258.9 Before Solids in suspension Spain País Vasco 404.7 Before Solids in suspension Spain Rioja (La) 354.0 Before Solids in suspension Ceuta and Melilla 380.0 Before Total nitrogen Spain 30.7 Before Total nitrogen Spain Andalucía 33.7 Before Total nitrogen Spain Aragón 8.2 Before Total nitrogen Spain Asturias (Principado de) 28.5 Before Total nitrogen Spain Balears (Illes) 26.3 Before Total nitrogen Spain Canarias 16.6 Before Total nitrogen Spain Cantabria 1.0 Before Total nitrogen Spain Castilla y León 21.6 Before Total nitrogen Spain Castilla-La Mancha 34.7 Before Total nitrogen Spain Cataluña 33.6 Before Total nitrogen Spain Comunidad Valenciana 32.0 Before Total nitrogen Spain Extremadura 7.5 Before Total nitrogen Spain Galicia 11.3 Before Total nitrogen Spain Madrid (Comunidad de) 20.5 Before Total nitrogen Spain Murcia (Región de) 110.2 Before Total nitrogen Spain Navarra (Comunidad Foral de) 39.2 Before Total nitrogen Spain País Vasco 22.0 Before Total nitrogen Spain Rioja (La) 33.0 Before Total nitrogen Ceuta and Melilla 130.0 Before Total phosphorus Spain 6.4 Before Total phosphorus Spain Andalucía 7.4 Before Total phosphorus Spain Aragón 5.9 Before Total phosphorus Spain Asturias (Principado de) 5.0 Before Total phosphorus Spain Balears (Illes) 6.0 Before Total phosphorus Spain Canarias 4.3 Before Total phosphorus Spain Cantabria 3.5 Before Total phosphorus Spain Castilla y León 5.7 Before Total phosphorus Spain Castilla-La Mancha 8.4 Before Total phosphorus Spain Cataluña 6.8 Before Total phosphorus Spain Comunidad Valenciana 3.4 Before Total phosphorus Spain Extremadura 0.6 Before Total phosphorus Spain Galicia 1.7 Before Total phosphorus Spain Madrid (Comunidad de) 6.6 Before Total phosphorus Spain Murcia (Región de) 22.0 Before Total phosphorus Spain Navarra (Comunidad Foral de) 7.8 Before Total phosphorus Spain País Vasco 3.3 Before Total phosphorus Spain Rioja (La) 5.0 Before Total phosphorus Ceuta and Melilla 0.0 Before Metals Spain 0.1 Before Metals Spain Andalucía 0.1 Before Metals Spain Aragón 0.0 Before Metals Spain Asturias (Principado de) 0.0 Before Metals Spain Balears (Illes) 0.0 Before Metals Spain Canarias 0.0 Before Metals Spain Cantabria 0.0 Before Metals Spain Castilla y León 0.7 Before Metals Spain Castilla-La Mancha 0.0 Before Metals Spain Cataluña 0.0 Before Metals Spain Comunidad Valenciana 0.0 Before Metals Spain Extremadura 0.0 Before Metals Spain Galicia 0.0 Before Metals Spain Madrid (Comunidad de) 0.0 Before Metals Spain Murcia (Región de) 0.2 Before Metals Spain Navarra (Comunidad Foral de) 1.6 Before Metals Spain País Vasco 0.0 Before Metals Spain Rioja (La) 0.0 Before Metals Ceuta and Melilla 0.0 Afterwards Chemical oxygen demand (COD) Spain 87.0 Afterwards Chemical oxygen demand (COD) Spain Andalucía 99.5 Afterwards Chemical oxygen demand (COD) Spain Aragón 58.0 Afterwards Chemical oxygen demand (COD) Spain Asturias (Principado de) 99.9 Afterwards Chemical oxygen demand (COD) Spain Balears (Illes) 93.8 Afterwards Chemical oxygen demand (COD) Spain Canarias 96.8 Afterwards Chemical oxygen demand (COD) Spain Cantabria 53.1 Afterwards Chemical oxygen demand (COD) Spain Castilla y León 86.9 Afterwards Chemical oxygen demand (COD) Spain Castilla-La Mancha 124.7 Afterwards Chemical oxygen demand (COD) Spain Cataluña 81.3 Afterwards Chemical oxygen demand (COD) Spain Comunidad Valenciana 62.0 Afterwards Chemical oxygen demand (COD) Spain Extremadura 117.4 Afterwards Chemical oxygen demand (COD) Spain Galicia 135.0 Afterwards Chemical oxygen demand (COD) Spain Madrid (Comunidad de) 81.1 Afterwards Chemical oxygen demand (COD) Spain Murcia (Región de) 120.6 Afterwards Chemical oxygen demand (COD) Spain Navarra (Comunidad Foral de) 58.5 Afterwards Chemical oxygen demand (COD) Spain País Vasco 65.3 Afterwards Chemical oxygen demand (COD) Spain Rioja (La) 30.0 Afterwards Chemical oxygen demand (COD) Ceuta and Melilla 80.0 Afterwards Biochemistry oxygen demand (DBO5) Spain 27.3 Afterwards Biochemistry oxygen demand (DBO5) Spain Andalucía 32.0 Afterwards Biochemistry oxygen demand (DBO5) Spain Aragón 15.5 Afterwards Biochemistry oxygen demand (DBO5) Spain Asturias (Principado de) 36.9 Afterwards Biochemistry oxygen demand (DBO5) Spain Balears (Illes) 33.6 Afterwards Biochemistry oxygen demand (DBO5) Spain Canarias 56.4 Afterwards Biochemistry oxygen demand (DBO5) Spain Cantabria 17.7 Afterwards Biochemistry oxygen demand (DBO5) Spain Castilla y León 29.6 Afterwards Biochemistry oxygen demand (DBO5) Spain Castilla-La Mancha 33.5 Afterwards Biochemistry oxygen demand (DBO5) Spain Cataluña 26.0 Afterwards Biochemistry oxygen demand (DBO5) Spain Comunidad Valenciana 25.7 Afterwards Biochemistry oxygen demand (DBO5) Spain Extremadura 40.8 Afterwards Biochemistry oxygen demand (DBO5) Spain Galicia 40.0 Afterwards Biochemistry oxygen demand (DBO5) Spain Madrid (Comunidad de) 14.2 Afterwards Biochemistry oxygen demand (DBO5) Spain Murcia (Región de) 34.7 Afterwards Biochemistry oxygen demand (DBO5) Spain Navarra (Comunidad Foral de) 19.9 Afterwards Biochemistry oxygen demand (DBO5) Spain País Vasco 18.9 Afterwards Biochemistry oxygen demand (DBO5) Spain Rioja (La) 11.0 Afterwards Biochemistry oxygen demand (DBO5) Ceuta and Melilla 18.0 Afterwards Solids in suspension Spain 26.1 Afterwards Solids in suspension Spain Andalucía 29.1 Afterwards Solids in suspension Spain Aragón 15.6 Afterwards Solids in suspension Spain Asturias (Principado de) 33.8 Afterwards Solids in suspension Spain Balears (Illes) 38.1 Afterwards Solids in suspension Spain Canarias 32.0 Afterwards Solids in suspension Spain Cantabria 9.8 Afterwards Solids in suspension Spain Castilla y León 25.7 Afterwards Solids in suspension Spain Castilla-La Mancha 31.7 Afterwards Solids in suspension Spain Cataluña 29.9 Afterwards Solids in suspension Spain Comunidad Valenciana 24.6 Afterwards Solids in suspension Spain Extremadura 32.4 Afterwards Solids in suspension Spain Galicia 38.7 Afterwards Solids in suspension Spain Madrid (Comunidad de) 16.4 Afterwards Solids in suspension Spain Murcia (Región de) 33.9 Afterwards Solids in suspension Spain Navarra (Comunidad Foral de) 19.6 Afterwards Solids in suspension Spain País Vasco 17.2 Afterwards Solids in suspension Spain Rioja (La) 12.0 Afterwards Solids in suspension Ceuta and Melilla 22.0 Afterwards Total nitrogen Spain 13.1 Afterwards Total nitrogen Spain Andalucía 16.5 Afterwards Total nitrogen Spain Aragón 3.2 Afterwards Total nitrogen Spain Asturias (Principado de) 13.7 Afterwards Total nitrogen Spain Balears (Illes) 17.1 Afterwards Total nitrogen Spain Canarias 15.9 Afterwards Total nitrogen Spain Cantabria 0.4 Afterwards Total nitrogen Spain Castilla y León 11.9 Afterwards Total nitrogen Spain Castilla-La Mancha 10.6 Afterwards Total nitrogen Spain Cataluña 13.7 Afterwards Total nitrogen Spain Comunidad Valenciana 19.8 Afterwards Total nitrogen Spain Extremadura 2.6 Afterwards Total nitrogen Spain Galicia 4.7 Afterwards Total nitrogen Spain Madrid (Comunidad de) 11.5 Afterwards Total nitrogen Spain Murcia (Región de) 12.7 Afterwards Total nitrogen Spain Navarra (Comunidad Foral de) 10.0 Afterwards Total nitrogen Spain País Vasco 3.9 Afterwards Total nitrogen Spain Rioja (La) 11.0 Afterwards Total nitrogen Ceuta and Melilla 25.0 Afterwards Total phosphorus Spain 2.8 Afterwards Total phosphorus Spain Andalucía 2.9 Afterwards Total phosphorus Spain Aragón 1.0 Afterwards Total phosphorus Spain Asturias (Principado de) 4.1 Afterwards Total phosphorus Spain Balears (Illes) 4.4 Afterwards Total phosphorus Spain Canarias 3.7 Afterwards Total phosphorus Spain Cantabria 1.1 Afterwards Total phosphorus Spain Castilla y León 1.0 Afterwards Total phosphorus Spain Castilla-La Mancha 2.5 Afterwards Total phosphorus Spain Cataluña 2.0 Afterwards Total phosphorus Spain Comunidad Valenciana 5.4 Afterwards Total phosphorus Spain Extremadura 0.4 Afterwards Total phosphorus Spain Galicia 0.7 Afterwards Total phosphorus Spain Madrid (Comunidad de) 3.1 Afterwards Total phosphorus Spain Murcia (Región de) 2.6 Afterwards Total phosphorus Spain Navarra (Comunidad Foral de) 3.5 Afterwards Total phosphorus Spain País Vasco 2.2 Afterwards Total phosphorus Spain Rioja (La) 2.0 Afterwards Total phosphorus Ceuta and Melilla 0.0 Afterwards Metals Spain 0.0 Afterwards Metals Spain Andalucía 0.0 Afterwards Metals Spain Aragón 0.0 Afterwards Metals Spain Asturias (Principado de) 0.0 Afterwards Metals Spain Balears (Illes) 0.0 Afterwards Metals Spain Canarias 0.0 Afterwards Metals Spain Cantabria 0.0 Afterwards Metals Spain Castilla y León 0.0 Afterwards Metals Spain Castilla-La Mancha 0.0 Afterwards Metals Spain Cataluña 0.0 Afterwards Metals Spain Comunidad Valenciana 0.0 Afterwards Metals Spain Extremadura 0.0 Afterwards Metals Spain Galicia 0.0 Afterwards Metals Spain Madrid (Comunidad de) 0.0 Afterwards Metals Spain Murcia (Región de) 0.0 Afterwards Metals Spain Navarra (Comunidad Foral de) 0.0 Afterwards Metals Spain País Vasco 0.0 Afterwards Metals Spain Rioja (La) 0.0 Afterwards Metals Ceuta and Melilla 0.0