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GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY

URBAN WATER SECURITY – A full day on planning and response to ensure urban water resilience. GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY. Francisco Cubillo Deputy Director of Research, Development and Investigation. IWA WORLD WATER CONGRESS AND EXHIBITION

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GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY

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  1. URBAN WATER SECURITY – A full day on planning and response to ensure urban water resilience GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY Francisco Cubillo Deputy Director of Research, Development and Investigation IWA WORLD WATER CONGRESS AND EXHIBITION BEIJING, 2006 SEPTEMBER

  2. SECURITY RISK FAILURE I WISH, A FEELING CIRCUMSTANCE CRISIS SOCIETY WATER MANAGERS EVERY STAKEHOLDERS

  3. PROBABILITY 100% NORMALITY INCIDENCES & CONTINGENCIES QUALITY OF SERVICE & RISK STANDARDS CRISIS DISASTER AFFECTIONS 0 DROUGHTS & RISKS DROUGHTS

  4. SCARCITY & DROUGHT • An smooth event • In water supply is always operational

  5. RISK SCENARIOS AND SUPPLY FLOOD AVERAGE EVOLUTION NORMAL CONDITIONS LOW RAINFALL RESOURCES MANAGEMENT USE OF STRATEGIC RESERVE Actions MODERATE SCARCITY DEMAND MANAGEMENT SEVERE SCARCITY EXTREME SCARCITY

  6. Public Company • Supplies drinking and sewerage water to 6 million people in the region of Madrid (Spain) • 177 municipalities • 14.000 km Distribution Network Madrid

  7. STRATEGIC INFRASTRUCTURES 2533 km transport pipes 59 Wells Fields 13 Water Treatment Works 14 Dams 44 Pumping Stations 242 Service Reservoirs

  8. UNITARY CONSUMPTION EVOLUTION

  9. EVOLUTION OF THE CYII SUPPLY SYSTEM Independent consumption DROUGHT PERIODS 10% LEVEL OF RISK OF DROUGHT STARTUP Acceptable level of risk (4%) 5% Level of Risk 0 1970 1975 1980 1985 1990 1995 2000 2005

  10. EVOLUTION OF MADRID SUPPLY SYSTEM Independent consumption DROUGHT PERIODS STRUCTURAL ACTIONS El Atazar 1973 Valmayor 1976 New Wells 1992 Tr.San Juan 1995 OPERATIONAL ACTIONS Change in operation 1993 Drought Manual 2003 Supply Manual 10% LEVEL OF RISK OF DROUGHT STARTUP Acceptable level of risk (4%) 5% Level of Risk 0 1970 1975 1980 1985 1990 1995 2000 2005

  11. SUPPLY MANUAL 2003 DROUGHT MANUAL 1992

  12. Cost of supply Cost of droughts Costs Economic risk level Risk of shortages

  13. TIMESCALE FRONTIERS PLANNING PREVENTION OPERATION MITIGATION CONTINGENCIES RESOLUTION CRISIS MASTER PLANS BASIN DROUGHT PLANS SUPPLY SYSTEM EMERGENCY PLANS

  14. REAL INTEGRATION PLANNING <> OPERATION EMERGENCIES <> ROUTINES INSTITUTIONS <> OPERATORS <> USERS RESOURCES <> INFRASTRUCTURES TECNICIANS <> POLITICIANS <> MEDIA TEORY <> PRACTICE CULTURE <> ECONOMIC DEVELOPMENT <>RISK ACCEPTANCE THE KEY

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