GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY
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Transcript of GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY
GOOD PRACTICES FOR MANAGING RISKS OF SCARCITY IN WATER SUPPLY
Francisco CubilloDeputy Director of Research, Development and Investigation
IWA WORLD WATER CONGRESS AND EXHIBITION
BEIJING, 2006 SEPTEMBER
URBAN WATER SECURITY – A full day on planning and response to ensure urban water resilience
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
WATER MANAGERS EVERY STAKEHOLDERSSOCIETY
CRISISCIRCUMSTANCEI WISH, A FEELING
SECURITY RISK FAILURE
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
PROBABILITY
AFFECTIONS
100%
0
INCIDENCES&
CONTINGENCIES
NORMALITY
CRISIS
DISASTER
QUALITY OF SERVICE&
RISK STANDARDS
DROUGHTS
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
SCARCITY & DROUGHT
An smooth event
In water supply is always operational
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
EXTREME SCARCITY
SEVERE SCARCITY
MODERATE SCARCITY
USE OF STRATEGIC RESERVE
AVERAGE EVOLUTION
LOW RAINFALL
NORMAL CONDITIONS
FLOOD
Actions
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
MadridMadrid
Public Company
Supplies drinking and sewerage water to 6 million people in the region of Madrid (Spain)
•177 municipalities
•14.000 km Distribution Network
Public Company
Supplies drinking and sewerage water to 6 million people in the region of Madrid (Spain)
•177 municipalities
•14.000 km Distribution Network
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
44 Pumping Stations44 Pumping Stations
242 Service Reservoirs242 Service Reservoirs
13 Water Treatment Works13 Water Treatment Works
59 Wells Fields59 Wells Fields
14 Dams14 Dams
2533 km transport pipes2533 km transport pipes
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
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1855 1865 1875 1885 1895 1905 1915 1925 1935 1945 1955 1965 1975 1985 1995 2005
Un
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Unit.consum. Droughts
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
1970 1975 1980 1985 1990 1995 2000 2005
Independent consumption
Level of Risk
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5%
10%
Acceptable level of risk (4%)
LEVEL OF RISK OF DROUGHT STARTUP
DROUGHT PERIODS
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
1970 1975 1980 1985 1990 1995 2000 2005
Change in operation
Independent consumption
Level of Risk
0
5%
10%
Acceptable level of risk (4%)
LEVEL OF RISK OF DROUGHT STARTUP
1993Drought Manual
2003Supply Manual
Valmayor1976
STRUCTURAL ACTIONS
El Atazar1973
New Wells1992
Tr.San Juan1995
OPERATIONAL ACTIONS
DROUGHT PERIODS
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
DROUGHT MANUAL 1992
SUPPLY MANUAL2003
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
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hm
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Effective capacity Normal
Phase 1
Phase C
Phase 0
Phase 2
Phase 3
Phase B
Maximun storage 946 hm3Effective capacity
DROUGHT BEGINNING
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
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Effective capacity P ercentil 10 Normal Real Evolution
Phase 1
Phase C
Phase 0
Phase 2
Phase 3
Phase B
Drought Committee formationMay 2005
Start of demand reductionJune 2005
Decree 97/2005 September 2005
Decree 12/65September 05
CYII press campaignJuly 2005
Start of w ells use
March 2005
Drought Office formation
September 05
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
Co
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Risk of shortages
Cost of supply Cost of droughts
Economic risk level
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
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Urban Water Security – A full day on planning and response to ensure urban water resilienceIWA World Water Congress and ExhibitionBeijing, 2006 September
REAL INTEGRATION
PLANNING <> OPERATION
EMERGENCIES <> ROUTINES
INSTITUTIONS <> OPERATORS <> USERS
RESOURCES <> INFRASTRUCTURES
TECNICIANS <> POLITICIANS <> MEDIA
TEORY <> PRACTICE
CULTURE <> ECONOMIC DEVELOPMENT <>RISK ACCEPTANCE