Water demand management in Zaragoza. Lessons learnt of Z… · Zaragoza experience on water...

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


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


9 nº 9

Change management


10 nº 10

Change 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


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


13 nº 13

Data Base


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


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 €


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


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.


18 nº

Environmental Education


19 nº 19

Water and environment Library


20 nº 20

Public participation

100.000 citizen commitments. Alliance for Water.


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


23 nº 23

Optimizagua


24 nº 24

Optimizagua results

Water savings in parks and gardens

68 %


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


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.


27 nº 27

Water consumption distribution in Zaragoza households


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


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


31 nº

Legacy

más información en:

http://www.zaragoza.es/ciudad/medioambiente/centrodocumentacion/cajaAzul


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.


33 nº 33

Water Cluster

• Demand Management 39 proposals

• I+ D+ i 24 proposals

• New Challenges 11 proposals


34 nº 34

Website http://www.zaragoza.es/medioambiente/


35 nº 35

Thank you for your attention

Javier Celma Celma

Head of Environmental Agency of Zaragoza city Council

[email protected]

Tel: 0034 976724250


36 nº La gestión urbana del agua en Zaragoza 36

Water demand management in Zaragoza. Lessons learnt of Z… · Zaragoza experience on water...

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