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1 nº La gestión urbana del agua en Zaragoza 1
Water demand management in Zaragoza. Lessons learnt
Javier Celma
Director de la Agencia de Medio Ambiente y Sostenibilidad
Malta, marzo de 2015
Malta Water Week 2015
2 nº Urban water management in Zaragoza 2
Location
3 nº Zaragoza experience on water management 3
Sustainable development must be
included in urban management as an
strategic concept
Agenda 21 are dynamic processes
procesos dinámicos.
4 nº 4
The city ecosystem
EXPORTS
Energy Matter
Residues Products
IMPORTS Natural
environment
Social matter
Urban
methabolism
LIFE OF THE COMMUNITY
OBJECTIVES
QUALIFIED HUMAN RESOURCES
PRODUCTS/SERVICES/INFORMATION
Zaragoza experience on water management
5 nº Towards a sustainable water management 5
Aim
Reduce up to 65 hm3 the water consumption in the city for 2010.
Indicator of success 61 hm3 in 2010
104 liters/inhabitants/day
Actual situation
58 hm3 in 2014
97,3 liters/inhabitants/day
Sustainable management of water cycle
6 nº 6
Strategies for Sustainability
Information and participation
• Resources efficiency and optimization
• Environmental management systems
• Environmental accounts
• Sustainability objectives
• Integral action plans
• Taxes
• Health and environmental quality
Zaragoza experience on water management
7 nº 7
Lines of action
• High quality water from the
Pyrenees for urban water supply.
• Water management and quality
Plan.
• Boost water savings in public
institutions through water saving
technologies
• Taxes to boost efficienty
• Education and awareness raisign
campaigns.
• Public participation
• Legislation
Towards a sustainable water management
8 nº 8
Water consumption
Zaragoza experience on water management
9 nº 9
Change management
Zaragoza experience on water management
10 nº 10
Change management
Zaragoza experience on water management
11 nº
Water consumption CONSUMO DOMÉSTICO TOTAL: USO COTIDIANO (l/hab.día)
114,8
97,398,799,9100,2
104,4105,3
106,3
122,7123,8
90
100
110
120
130
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
AGUA CAPTADA PARA EL CONSUMO (hm3/año)
0
20
40
60
80
1 00
1 20hm3
Yesa-Loteta 1,47 1,49 13,657 38,6 28,526 3,719 21,587 20,30
Ebro 6,844 6,2 9,383 4,87 1,634 1,1 0,031 11,001 1,645 0,76
Canal 61,342 57,81 53,612 54,72 44,611 21,2 30,752 45,858 35,804 37,73
m3/habitante 103,17 95,96 94,48 88,13 85,99 86,81 84,50 86,67 84,47 83,74
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Zaragoza experience on water management
12 nº 12
Water consumption evolution and other indicators
AGUA Y DESARROLLO SOSTENIBLE
-
20.000
40.000
60.000
80.000
PIB (millones de euros) 27.956 30.295 32.907 34.672 33.137 33.262 33.307 32.552 32.258 32806
Tuberias (centenas de metros) 11.330 11.900 12.040 12.170 12.300 12.460 12.440 12.778 12.907 12940
Agua (miles de m3) 68.195 64.100 64.030 61.089 59.902 60.900 59.309 60.580 59.036 58797
habitantes 660.895 667.034 682.283 693.086 696.656 701.502 701.887 698.917 698.933 702123
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Towards a sustainable water management
13 nº 13
Data Base
Towards a sustainable water management
All the collected information is stored
in a database, used for:
• Companies database.
• Reports
• Control of certain activities
• Statistics, maps, graphs.
• Water Consumption evolution.
14 nº 14
Data Base
Towards a sustainable water management
15 nº 15
Investments
Inversiones del estado
Tramo Loteta-Zaragoza 85 Million €
Sora-Loteta 43,9 Million €
Expo-River shores 40 Million €
Inversiones municipales
Infraestructures Plan 81,9 Million €
Fondo de empleo local 20 Million €
Total 280,8 Million €
Towards a sustainable water management
16 nº 16
Awareness raising and participation campaigns
> 7 Millones €
• 4 Million € of municipal contribution
With the support of:
Regional Government of Aragon
Ebro River Basin Authority
ECODES Foundation
New Water Culture Foundation
San Valero Foundation
Ibercaja Group (Ibercaja+CAI) Bank
Towards a sustainable water management
17 nº 17
Green Homes programme This programme aim to boost responsible
consumption of energy and water in
households, a sustainable mobility and
shopping on the city.
Lead by the Environmental Education
national Centre (Ministry of Environment)
and ongoing in several cities.
Agengy 21 (Zaragoza City Council
Environmental Department) leads the
project in Zaragoza, with the support of
VEOLIA – WATER.
Towards a sustainable water management
18 nº
Environmental Education
Towards a sustainable water management
19 nº 19
Water and environment Library
Towards a sustainable water management
20 nº 20
Public participation
100.000 citizen commitments. Alliance for Water.
Towards a sustainable water management
21 nº Hacia una gestón sostenible del agua 21
Water consumption in urban green areas
• Average consumption rate: 7880 m3/day
• Service of Urban green areas: lines of work linked
to water efficiency.
6%
94%
Agua de red
Agua de captación
22 nº 22
Optimizagua
• LIFE Project (EU), leaded by San Valero
Foundation, saving water in traditional water
uses:
• Urban Green areas (parks and gardens),
• Green areas at schools
• Agriculture.
• Private green areas
Towards a sustainable water management
23 nº 23
Optimizagua
Towards a sustainable water management
24 nº 24
Optimizagua results
Water savings in parks and gardens
68 %
Towards a sustainable water management
25 nº 25
Water tanks removal
There are more than 7.000 of
water tanks in Zaragoza’s
buildings with very low
mainteinance.
Water tanks mean:
Health risks
Leaks source
Energy losses
Towards a sustainable water management
26 nº 26
Buildings with water tanks
Water Bylaw of Zaragoza obligues:
To make annual checks of water tanks
Carry out annual cleanings with pressure water and
desinfection treatments
To remove water tanks to pressure tanks.
Towards a sustainable water management
27 nº 27
Water consumption distribution in Zaragoza households
Towards a sustainable water management
Water uses Consumption Rate (%)
WC 39,6 – 40,6
Bathroom tap 20,6 – 21,2
Shower/bath 10,3 – 10,7
Kitchen tap 19,8 – 20,3
Washing Machine 5,5 – 7,4
Dishwasher 1,5 – 2,04
Total 100
28 nº 28
Valdespartera Ecocity. Real Time monitoring
Towards a sustainable water management
29 nº
Expo 2008
30 nº
Water Tribune in Expo 2008 • 3.000 experts - 10 thematic weeks
• Ágora
• Back-to-back meetings
• NGO Pavilion
• Publications – Water for peace
• Zaragoza Water Chart
Towards a sustainable water management
31 nº
Legacy
más información en:
http://www.zaragoza.es/ciudad/medioambiente/centrodocumentacion/cajaAzul
Towards a sustainable water management
32 nº 32
Water Cluster
Strategic Objectives
• Boost water and associated energy efficiency and sustainability in Zaragoza
• Support the local business sector linked to water, with
innovation and internationalisation.
• Support the visibility of Zaragoza as a national and
international referent on water management efficiency and
sustainability.
• Make the water sector a engine for green growth for the
city.
Towards a sustainable water management
33 nº 33
Water Cluster
• Demand Management 39 proposals
• I+ D+ i 24 proposals
• New Challenges 11 proposals
Towards a sustainable water management
34 nº 34
Website http://www.zaragoza.es/medioambiente/
Towards a sustainable water management
35 nº 35
Thank you for your attention
Javier Celma Celma
Head of Environmental Agency of Zaragoza city Council
Tel: 0034 976724250
Towards a sustainable water management
36 nº La gestión urbana del agua en Zaragoza 36