Comenius ILTE WATER 5th meeting, December 2008 Corbera de Llobregat
INTRODUCTION ďƒ’
The whole step on water terms must include four fundamental affairs in order to succeed on preserving and sustaining the environmental water resources. At least, that's what DMA (European Water Committee) proclaims. 1. Environmental sustainability 2. Rationality when using the resources 3. Economical sustainability 4. Social Sustainability
HAVE WE GOT ENOUGH WATER IN CATALONIA?
Which is the water demand in Catalonia? total water demand: 3.123 hm3 per year 10000 Camp Nou
Which are the uses of the water and their quantification? whole urban uses in Catalonia: 27,4% agricultural terms: 72,6%
ARE THE DOMESTICAL CATALONIAN CONSUME RATES HIGH? Domestic consumption in a flat
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Where does the water we use come from? 1.surfacing fountains 2.underground
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Can we use as much as we want? Water is a delicate and finite resource
HOW DOES THE WATER ARRIVE TO THE CITIES?
WHAT IS THE WATER IN CATALUNYA?
Why are there droughts in Catalunya? In the last 20 years we have had 6 periods of drought alerts Is the water contaminated by the industrial activity? Is the water contaminated by the agricultural activity? Depuration systems Depuration Systems
% Towns
% Population
Without systems Not enough systems
34,57 40,48
4,59 3,67
Enough systems Total
24,95 100
91,74 100
WATER COST IN CATALONIA
What is water “cànon”? Is a tax.
How much we pay for domestic water? Water Catalonian prize is about 1,23€/m3. The Catalonia Gobernement: 1.make policies of water saving 2.departed maximum extracts every drop of water
Can We build more Water reservoirs? In this moment, we can't
WHICH ARE THE ADVANTAGES AND DISADVANTAGES OF THE DESALINATION?
WHICH IS THE RELATION AMONG THE WATER AND THE ENERGY? HOW MUCH ENERGY DO WE SPEND TO GET HOT AND COLD WATER?
Cold water cycle 800 GW/ for seven millions in habitants per year Hot water cycle supposes an energetic spending 5 times bigger than the cold water cycle
How can we manage better the water distribution to continuous quality flow? Saving and being efficient in the urban uses as well as the agricultural ones Obtaining water from the processes of desalinization of marine water The re-used of water regenerated and don t pollute the aquifers. Can we reduce more in the cities? It’s possible Is it possible to reduce water in agricultural activities? Yes.