Environmental Accounts: Other Environmental Accounts National results. Year 2007 Return-flows of water by Economic activities CNAE-93 , period and Type of Return-flows. Units: Thousands of M3 Unused water Leaks in Nets of Percentage Waters of Irrigation Return-flows of the Systems: Total Return-flows of the sewage systems: To non-continental Intermediates Return-flows of Development of productive activities: Total Return-flows of Development of productive activities: To non-continental Intermediates From Cooling: Total From Cooling: to non-continental Intermediates Total of The Return-flows: Total Total of The Return-flows: To continental Intermediates Total of The Return-flows: To non-continental Intermediates Return-flows of continental waters: Total Return-flows of continental waters: To continental Intermediates Return-flows of continental waters: To non-continental Intermediates Return-flows of non-continental waters to non-continental Intermediates 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 COST per economic activity .. 5,930,000 2,420,000 5,480,000 460,500 2,599,050 254,800 5,350,000 19,500 21,779,050 21,044,250 734,800 21,779,050 21,044,250 734,800 .. 01 Transactions of the Irrigation systems .. 4,200,000 .. .. .. .. .. .. .. 4,200,000 4,200,000 .. 4,200,000 4,200,000 .. .. A. Agriculture, livestock, hunting and forestry .. .. 2,420,000 .. .. .. .. .. .. 2,420,000 2,420,000 .. 2,420,000 2,420,000 .. .. B Fishing .. .. .. .. .. 1,980,000 .. .. .. 1,980,000 1,980,000 .. 1,980,000 1,980,000 .. .. CA Extraction of energy products .. .. .. .. .. 40,700 .. .. .. 40,700 40,700 .. 40,700 40,700 .. .. CB Mining of other mineral products .. .. .. .. .. 13,500 .. .. .. 13,500 13,500 .. 13,500 13,500 .. .. DA Food, beverage and tobacco industry .. .. .. .. .. 53,250 14,500 .. .. 53,250 38,750 14,500 53,250 38,750 14,500 .. DB Textile and clothing industry .. .. .. .. .. 12,300 8,300 .. .. 12,300 4,000 8,300 12,300 4,000 8,300 .. DC Leather and footwear industry .. .. .. .. .. 1,100 .. .. .. 1,100 1,100 .. 1,100 1,100 .. .. DD Wood and cork industry .. .. .. .. .. 5,100 200 .. .. 5,100 4,900 200 5,100 4,900 200 .. DE. Paper industry publishing, graphic arts and reproduction of engravings .. .. .. .. .. 78,100 17,000 .. .. 78,100 61,100 17,000 78,100 61,100 17,000 .. DF Refinement of petroleum and treatment of nuclear fuels .. .. .. .. .. 23,600 19,900 .. .. 23,600 3,700 19,900 23,600 3,700 19,900 .. DG Chemical Industry .. .. .. .. .. 181,300 152,100 .. .. 181,300 29,200 152,100 181,300 29,200 152,100 .. DH Rubber and plastic material transformation industry .. .. .. .. .. 13,200 .. .. .. 13,200 13,200 .. 13,200 13,200 .. .. DI Other Non-Metallic Ore Products Industries .. .. .. .. .. 22,000 1,600 .. .. 22,000 20,400 1,600 22,000 20,400 1,600 .. DJ Metallurgy and manufacture of metallic products .. .. .. .. .. 64,400 35,400 .. .. 64,400 29,000 35,400 64,400 29,000 35,400 .. DK Machinery and mechanical equipment construction industry .. .. .. .. .. 2,300 .. .. .. 2,300 2,300 .. 2,300 2,300 .. .. DL Electrical, electronic and optical material and equipment industry .. .. .. .. .. 1,100 .. .. .. 1,100 1,100 .. 1,100 1,100 .. .. DM Manufacture of transport material .. .. .. .. .. 8,100 5,800 .. .. 8,100 2,300 5,800 8,100 2,300 5,800 .. DN Various manufacturing industries .. .. .. .. .. 700 .. .. .. 700 700 .. 700 700 .. .. 41Collection, purification and distribution of water .. 1,730,000 .. .. .. .. .. .. .. 1,730,000 1,730,000 .. 1,730,000 1,730,000 .. .. E Production and distribution of energy, gas and water 41) .. .. .. .. .. .. .. 5,350,000 19,500 5,350,000 5,330,500 19,500 5,350,000 5,330,500 19,500 .. F Construction .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 75.12 Administrative services relatives to water .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 90.01 Volunteer Treatment of residual water and sewage .. .. .. 5,480,000 460,500 .. .. .. .. 5,480,000 5,019,500 460,500 5,480,000 5,019,500 460,500 .. R Other economic activities (G to Q, except 90.01) .. .. .. .. .. 98,300 .. .. .. 98,300 98,300 .. 98,300 98,300 .. .. Households as effective consumers .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Total .. 5,930,000 2,420,000 5,480,000 460,500 2,599,050 254,800 5,350,000 19,500 21,779,050 21,044,250 734,800 21,779,050 21,044,250 734,800 .. Notes: 1) Branch E has considered that the only reactor in Spain that is cooled with sea water ((non-continental water) , is that of the Vandellós II nuclear power station ( Tarragona ) Source: National Statistics Institute