NATIONAL WATER SUPPLY COMPANY (SONEDE) ARAB - JAPAN ECONOMIC FORUM 2010 December 10 - 12, 2010 Tunisia
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MINISTRY OF AGRICULTURE, HYDRAULIC RESOURCES AND FISHING NATIONAL WATER SUPPLY COMPANY (SONEDE) ARAB - JAPAN ECONOMIC FORUM 2010 December 10 - 12, 2010 Tunisia DRINKING WATERJAEF IN TUNISIA : PRESENT, PROSPECTS AND CHALLENGES 2nd The Mr Mosbah HELALI DESIGN DEPARTMENT DIRECTOR, NORTH & GREAT TUNIS Page:1 PLAN 1. Introduction, 2. Water sector in Tunisia, 3. General Indicators, 2010 4. Main water consumption regions, 5. Water supply in ruralJAEF regions, 6. Water saving, 2nd 7. Water quality improvement, 8. National strategy,The 9. Conclusion. Page:2 2010 1 - INTRODUCTIONJAEF 2nd The Page:3 1- INTRODUCTION 1.1- Potential water resources 2010 JAEF 2nd The water resources in Tuinisia are unequally distributed in time and space. The The annual average of pluviometry varies less than 100 mm in the south and 1500 mm in the north. Page:4 1- INTRODUCTION 1.2-The potantial resources (Underground and Surface water) Underground water Surface water 2140 Mm3/an (44%) 2700 Mm3/an (56%) 2010 JAEF 2nd Water allowance :460 m3/capita/year, in 2009 315 m3/capita/year, in 2030. Hydraulic stressThe limit : 1000 m3/capita/year. Tunisia is under hydraulic stress. Page:5 2 - The water sector in Tunisia 2.1- The use of water : The use of water in Tunisia is distributed as follows : 83% of mobilized resources are intended for Agriculture 17% of mobilized resources are intended for drinking water. 2010 Water use distribution 1% 11% JAEF5% 2nd The 83% Tourisme Industrie Agriculture Domestique Page:6 2- The water sector in Tunisia 2.2 Water quality : The quality of water is variable through the country, 2010 In Tunisia recommanded maximum salinity for drinking water is around 1,5 g/l. 70% of Surface waterJAEF(Salinity ≤1,5 g/l). 25% of underground (Salinity ≤ 1,5 g/l). 2nd 50% of underground (1,5<Salinity <5,0 g/l). The 25% of underground (Salinity ≥ 5,0 g/l). Page:7 2- The water sector in Tunisia 2.3- Water quality Salinity2010 (mg/l) 0 - 1000 1000 - 1500 JAEF 1500 - 2000 2000 -2500 > 2500 2ndThe highest salinity is N concentrated in the center and the south of the W E The country whereas the lowest S salinity is concentrated in northern regions. Page:8 2010 3 – GENERAL INDICATORS JAEF 2nd The Page:9 3 - GENERAL INDICATORS PRESENTATION OF SONEDE The National Company of Exploitation and Distribution of Water (SONEDE) operates on all the Tunisian territory. SONEDE2010is the single company in charge of water supply in the whole country. JAEF It serves drinking water for all the urban population and approximately half of the rural population. 2nd SONEDE hasThe2,2 millions subscribers, its network extends on approximately 45682 km. Page:10 3 - GENERAL INDICATORS EVOLUTION OF MAIN INDICATORS INDICATORS 1968 1987 2009 Global servecing rate 31,0 % 71,6 % 98,0 % Urban servecing rate 55,0 % 2010100,0 % 100,0 % Rural servecing rate 9,2 % 31,1 % 94,1 % Rural servecing rate (SONEDE) 9,2 % 19,6 % 48,3 % Rural servecing rate (GR) JAEF- 11,5 % 45,8 % Number of Customers (Thousands) 103,0 775,6 2 225,8 Consumed Volume (Mm3) 2nd 63,0 184,9 371,2 Distributed Volume (Mm3) 82,0 238,4 448,6 Pipes Network (Km) 8940 18780 45 682 FeedersThe 2 531 4 760 8 480 Distribution 6 409 14 020 37 202 Page:11 3 - GENERAL INDICATORS EVOLUTION OF MAIN INDICATORS Désignation 1968 1987 2009 Nomber of staff 1 555 6 972 6 875 Number of customers per agent 662010111 324 Network efficiency (yield) 70,0% 72,1% 76,1% Feeders - 93,0% 91,6% Distribution JAEF - 77,6% 82,7% Number of pipe breakages (U) - 8 854 12 313 Index of breakage (U/100 km)2nd - 47 27 Number of water leakage (U) - 58 119 135 859 The Lineair index of losses (m3/km/d) - 10,5 5,7 Page:12 3 - GENERAL INDICATORS CONSUMED VOLUME & CUSTOMERS NUMBER (2009) Consumption Customers number Use Mm3 % 2010Number % Domestic connected 264,3 72,2% 2 115 000 95,00% Collective 43,7JAEF12,0% 93 850 4,20% Industry 30,0 8,2% 13 527 0,60% Tourism 17,5 4,8% 1 458 0,07% 2nd Domestic not connected 8,2 2,3% 916 0,04% Others 7,5 0,6% 1 263 0,06% The Total 371,2 100% 2 225 801 100% Page:13 1000000 1500000 2000000 2500000 500000 0 1969 1970 1971 2000 1987 1972 2009 Evolution of customers number customers of Evolution 1973 1974 1975 3 : 1 : : 2 1976 - 1977 INDICATORS GENERAL 1978 775 000 customers 548 000 customers 226 000 customers 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 2010 1990 1991 . 1992 . 1993 1994 1995 1996 JAEF 1997 1998 1999 2000 2001 2nd 2002 2003 2004 2005 2006 The Page:14 2007 2008 2009 2010 4 – MAIN WATER CONSUMPTION REGIONS IN TUNISIA JAEF 2nd The Page:15 DRINKING WATER DEMAND The forecast water demand of the whole country are estimated2010 at approximately 900 Mm3 at 2030 and 1267 Mm3 at 2050. JAEF The consumption of the seven (7) most significant2nd regions represent 84 % of national consumption. These regions are presentedTheas following : Page:16 DRINKING WATER DEMAND •Great Tunis, 2010 •Bizerte, •Cap-Bon, •Sahel, JAEF •Grand Sfax, 2nd •Grand Gabes, •Sud-Est,The Page:17 GREAT SYSTEMS OF WATER TRANSFER IN TUNISIA Mediterraneansea The Tunisian strategy in term Algeria of water resources management, particularly the drinking2010w a t e r, is based on a system of transfer of water between the areas having the most abundant water JAEFresources towards the areas sheltering most significant centers of consumption. 2nd This system of transfer ensures, on the one hand, an The equitable allocation of mobilized resources and a balancing water quality. Page:18 2010 JAEF GREAT TUNIS 2nd Main Network The Page:19 GREAT TUNIS Water Resources Water treatment plant 2010Water treatment plant Fernana et Sidi Jdidi Ghdir ElGolla (1,2 et 3) 52 000 m3/j 470 000 m3/j JAEF 2nd GRAND TUNIS The Page:20 GREAT TUNIS Water Resources / Water Demand 850 800 2010 750 700 m3/j) 3 650 JAEF 600 550 Flow (10 500 2nd 450 400 The 2010 2012 2015 2020 2025 2030 Years Page:21 2010 JAEF 2nd BIZERTE Main Network The Page:22 BIZERTE Water Resources Local underground Water2010 treatment Plant Resources of Mateur 20 000 m3/j 87 000 m3/j JAEF 2nd BIZERTE The Page:23 BIZERTE Ressources / Besoins en eau 120 2010 110 100 m3/j) 3 JAEF 90 Flow (10 Flow 80 2nd 70 60 The 2006 2011 2015 2020 2025 2030 Years Page:24 2010 JAEF CAP BON 2nd Main Network The Page:25 CAP BON Water Resources Water treatment plant Local underground 2010of Belli resourses 80 000 m3/j 17 000 m3/j CAPJAEF BON 2nd The Inpout from Great Tunis 30 000 m3/j Page:26 CAP BON Water Resources / Water Demand 240 220 2010 200 m3/j) 180 3 JAEF 160 Flow (10 140 2nd 120 The 100 2009 2011 2015 2020 2025 2030 Years Page:27 2010 JAEF 2nd Main SAHELnetwork The Page:28 SAHEL Water resources Water treatment plant Water treatment plant 2010of Belli of Harkoussia 200 000 m3/j 17 000 m3/j SAHELJAEF Water treatment plant of Ezzouhour 2nd Underground water 26 000 m3/j of Kairounais 55 000 m3/j The Local underground resources 17 000 m3/j Page:29 SAHEL Water Resources / Water demand 500 450 2010 400 m3/j) 3 350 JAEF 300 Flow (10 Flow 250 2nd 200 2009The 2011 2015 2020 2025 2030 Years Page:30 2010 JAEF 2nd Main networkSFAX The Page:31 GRAND SFAX Water resources Local underground Water treatment plant resources 2010of Belli 3 22 000 m3/j 80 000 m /j GRANDJAEF SFAX 2nd The Underground water of Sbeitla & Jelma 37 000 m3/j Page:32 GRAND SFAX Water Resources / water demand 220 200 2010 180 m3/j) 3 160 JAEF Flow (10 140 2nd 120 100 The 2009 2011 2015 2020 2025 2030 Years Page:33 2010 JAEF SAHEL & SFAX 2nd Prospects The Page:34 Great Gabes Network 2010 JAEF 2nd Grand Gabes The Page:35 Great Gabes Water resources Local underground Water desalination water resources plant of Gabes 3 2010 25 000 m /d 34 000 m3/d JAEF 2nd GABES The Page:36 Great Gabes Water resources/Water demand 90 80 2010 70 m3/d) 3 60 JAEF 50 Flow (10 Flow 40 2nd 30 2009The 2011 2015 2020 2025 2030 Year Page:37 SOUTH EASTERN REGION NETWORK SUD EST 2010 JAEF 2nd The Page:38 SOUTH EASTERN REGION Water resources Desalination plant of Desalination plant of de Djerba Zarzis 2010 20 000 m3/d 15 000 m3/d SUDJAEF EST 2nd The Local underground water 74 000 m3/d Page:39 SOUTH EASTERN REGION Water resources / Water demand 210 190 170 2010 m3/s) 3 150 130 JAEF FLOW(10 110 90 2nd 70 2010The 2012 2015 2020 2025 2030 YEAR Page:40 DRINKING WATER DEMAND Water resources / Water demand The examination of these assessments of resources and demand, shows that the horizon of saturation for all the regions2010 varies between 2010 and 2022. Thus, several specific projects for each region are already programmed to cope with the forecast water demand and to preserve the quality of service guaranteedJAEF by SONEDE, which consists in distributing water to all citizens through the whole territory at any moment during the2ndday and along the year with a quality of water in conformity with national and internationalThe standards and a quantity and pressure needed by the customer.