An endless resource?

A public good?

Workshop 6

IES de Foz

·Water is both a right and a responsibility. It has an economical, social and environmental value

·It is not an unlimited good

· We have to take into account both the real costs and the economical benefits that its usage generates, also

Water desalination

• The desalination of salty or sea waters is an alternative to produce drinkable water in areas with water shortage.

Reusing treated waste• The water shortage

has forced optimize its use reusing the treated water which is mainly applied to street cleaning and sewerage, irrigation of parks and gardens... andagriculture.

It is the expression that defines the route of this item from its collection in gross state in the environment to its availability drinkable

in homes, and return once refined, to

nature.

Survey about water supply and sanitation in

the world

•The average water consumption of households stood at 160 liters per capita per day in 2006. The average consumption was 3.6% lower than the 166 liters per capita per day in 2005.

Galicia

The province of A Coruña

·Its climate is oceanic, with moderate rain, winds relevant on occasions.• There is an annual production of nearly 41 million cubic meters and a number of direct customers in excess of 120,000, with a total population served by over 367,000 people.

Appropriation is considered: 240 l / inhab.dayCouncil: Foz Province: LugoNo. of Systems: 2Total population: 16,680Population connected to the network: 16,680 inhabitantsFixed on Population: 9343 inhabitantsSeasonal population connected: 7061 inhabitantsPopulation covered by the plan: 16,404 inhabitants

Our hometown,

Foz.

CHAD

Features:· It’s a landlocked county located in Central Africa.

· It has about 10 million inhabitants.

· Lake Chad is the largest water body in Chad and the second largest in Africa.

·It’s economic importance is vital because it provides water to more than 10 million inhabitants.

· When discovered it was the largest lake but has fallen considerably since then.

·It’s due not only to the decline of the rains, but the massive extraction of water for irrigation and other uses

· Forecasts indicate that the lake will continue to decline and even finish drying along the XXII century.