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COMENIUS PROJECT LYCEE SAVARY DE MAULEON LES SABLES D’OLONNE . Presentation of VENDÉE EAU Strategic directions and operational decisions to fight water scarcity. CONTENTS. A few key figures Presentation of Vendée Eau Strategic direction : Water safety plan Operational decisions :

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COMENIUS PROJECT LYCEE SAVARY DE MAULEON LES SABLES D’OLONNE

  • Presentation of VENDÉE EAU

    Strategic directions and operational decisions to fight water scarcity


CONTENTS

  • A few key figures

  • Presentation of Vendée Eau

  • Strategic direction :

    • Water safety plan

  • Operational decisions :

    • Raise people’s awareness of water scarcity

    • The fight against water waste program


  • A few key figuresDid you know that ?

    The average daily water comsumption per person :

    • In France : 151 litres on average

    • In the Pays de la Loire region : around 138 litres

    • In Cyprus : around 85 litres (figures for 2005 to 2007)


    A few key figures Did you know that ?

    The water footprint concept or « virtual water »

    Litres of water required to produce :

    • 1 kg of lettuce → 25 litres

    • 1 kg of wheat → 1 500 litres

    • 1 hamburger → 2 400 litres

    • 1 glass of orange juice → 170 litres

    • 1 ton of steel → 20,000 litres

    • 1 ton of plastic → 2 million litres

    • A car → 35,000 litres

    • 1 ton of medecine → 5 billion litres

    • A pair of shoes → 8 000 litres


    A few key figures Did you know that ?

    How is water

    consumption

    distributed

    (in France)

    Drinking

    Cooking

    Car/Garden

    Washing-up

    Laundry

    Toilets

    Baths/Showers

    Miscellaneous


    A few key figures Did you know that ?

    Water consumption at Savary de Mauléon High School

    • 2007 : 3,906 m3

    • 2008 : 4,186 m3

    • 2009 : 4,507 m3

    • 2010 : 4,479 m3

      NB : A large swimming-pool holds about 500 m3 of water. A year’s water consumption in Savary de Mauléon would fill about 9 swimming-pools.


    Presentation of Vendée Eau

    General code for territorial groupings

    Art.L2224-7-1

    « The communes have jurisdiction over the matter of drinking water distribution. Within this framework, they settle upon a drinking water distribution scheme defining the areas served by the water distribution network. They can also provide drinking water production as well as its transportation and storage. »


    Presentation of Vendée Eau

    Jurisdiction : Drinking water distribution to 276 communes in Vendée

    20 inter-communal syndicates and 2 communes

    1961 :

    Amalgamation into a single departmental service

    Jurisdiction : Drinking water production

    1936 – 1955 :

    Amalgamation into inter-communal syndicates

    276 communes in Vendée out of 282


    Presentation of Vendée Eau

    The missions of Vendée Eau

    • Operate and maintain the public service of water distribution on behalf of communes, that is to say supply drinking water in sufficient quantity.

    • Satisfy people’s needs and activities while respecting present quality standards.

      • Offer subscribers a quality service in accordance with their requirements and at the cheapest price possible.


    Presentation of Vendée Eau

    Communes which adhere to Vendée Eau

    Independent communes

    Inter-communal syndicates boundaries


    Presentation of Vendée Eau

    Budget :€ 105 million

    • Investment : € 25 million

    • Operating coasts : € 80 million


    Presentation of Vendée Eau

    Water distribution by private contractors

    • Subcontractors are selected after a competitive tendering procedure, in accordance with the French Code of Public Markets, and for a limited period of time

    • Subcontractors are responsible for the daily

      overseeing of water works

      potabilisation plants, water towers, pipes

    • They are responsible for taking

      metre readings

      and invoicing on behalf of Vendée Eau→ Vendée Eau supervises their work and retains total control over subscribers’ terms and conditions of service


    Presentation of Vendée Eau

    Private contractors’operating zones for the distribution of potable water


    Presentation of Vendée Eau

    Origin of the water supply

    • 45 200 000 m3 of water produced in 2009

    • 90 % surface water

      • 12 water dams and 10 water production plants

      • 5 % groundwater

      • 12 groundwater abstractions and drillings

      • 5 % water imports, mainly from Loire Atlantique


    Presentation of Vendée Eau

    Where water requirements are higher in summer

    Dam

    Dam

    Water production plant

    Water catchment

    Surface water collection

    Where the most important resources are located



    Presentation of Vendée Eau

    Public drinking water networks

    • 14,000 km of water pipes, from 60 to 600 mm in diameter (steel, cast-iron, PVC, HDPE, asbestos cement)

    • 331,000 water subscribers

    • 56 water towers, 25 reservoirs

    • 30 high pressure and chlorine stations


    Presentation of Vendée Eau

    Pipe Laying

    worksite


    Présentation de Vendée Eau

    Painted water tower

    in Saint Révérend


    Presentation of Vendée Eau

    Water resources :

    Surface water – around 90 %

    Ground water – around 10 %

    Population served : 520 000

    Subscribers : 336 000 in 2009

    Total water consumption : 34 275 000 m3


    Strategic direction of water safety plan

    • Increased needs in summertime

      →33 % of the water is consumed during summer months (June, July, August), half of which in the coastal areas

    • Growing needs in the coastal areas and in the North East of the Vendée departement.


    Strategic direction of Water safety plan

    • INSEE study (December 2010) : Population growth forecast

      →840 000 inhabitants en 2040

    • Critical years, close to water shutdown ( 2003 - 2004 - 2005 - 2009)

    • Water supply safety plan (Vendée Eau – Novembre 2004)

      →Water waste reduction programme


    Strategic direction of Water safety plan

    ZONE NORD EST

    -2,1 Mm3

    ZONE COTIERE NORD

    -7,5 Mm3

    +0,9 Mm3

    Coastal zones

    LA ROCHE SUR YON

    -8,8 Mm3

    ZONE MERVENT

    ZONE CENTRE LAY

    +2,0 Mm3

    FONTENAY LE COMTE

    +2,0 Mm3

    ZONE COTIERE SUD

    +0,25 Mm3

    -1,3 Mm3

    Structural assessment and transfer in 2005


    Strategic direction of Water safety plan

    PPreliminary and voluntary actions

    • Development of groundwater use

    • Future use of specific quarries

    • Furthering localized seawater desalination

    • Development of water quality recovery programs

    • Overall plan for water conservation and the fight against water wasting


    Strategic direction of Water safety plan

    Groundwater research campaign


    Strategic direction of Water safety plan

    A few structuring scenarios to study :

    • Building of an impounding reservoir (reservoir on the Auzance river)

    • Desalination of seawater

    • Water transfer from the South of the Vendée (Mervent) to coastal areas (Apremont)

    • Transfer of treated water from Nantes (water plant in La Roche) to the North West of Vendée

    • Re-use of water from wastewater treatment plants


    Strategic direction of Water safety plan

    Water framework directive of October 22, 2000

    • Ensure the ecological stability of waterways

    • 1964 and 1992 laws on water / 2006 laws on water and on aquatic environments

      • SDAGE Loire-Bretagne

        Water orientation and planification documents for the Loire-Brittany area

      • SAGE (Auzance Vertonne / Vie et Jaunay, Lay, the Vendée …)

        Orientation documents for the catchment area

        → The dam reservoir on the Auzance river is subject to necessary derogation


    Operational Decisions Fight water waste

    A communication adapted to all

    Regional communities

    Subscribers and the general public

    Pupils


    Operational DecisionsFight water waste

    Programme (2008-2012) : Targeting communities

    • Goals

      • Carry on the programme initiated with specific diagnoses

      • Encourage the use of hydro-saving devices

      • Encourage people to watch their water consumption

    • Actions

    • Diagnosis survey results, thoughts on the continuation of the survey, updating database records

      • Advice and technical support from communities

        Editing guides, providing IT tools, advice for installing hydro-saving devices, AEU/HQE project monitoring (HQE = High Environmental Quality)


    Operational DecisionsFight water waste

    Programme (2008-2012) : Targeting private individuals

    • Goals

    • Carry on water information campaigns to promote water conservation

    • Incite people to install hydro-saving devices

    • Start new and more concrete test actions


    Operational DecisionsFight water waste

    Programme (2008-2012) : Targeting private individuals

    • Actions

    • Carry on parntnerships and find new ones

    • Develop pilot actions

      Install water-saving devices in show houses

      • Improve our knowledge on water consumption ratios

    • Promote water-saving appliances

    • Carry on marketing communication

      Release new documents

      Partnership with media

      Gardening charter


    Operational DecisionsFight water waste

    Programme (2008-2012) : Targeting students

    • Goals

  • Initiate a teaching programme for the fight against water waste

  • Meet schools’ requests

  • Actions

  • Setting-up an educational programme

  • Intervention in schools

  • Water consumption assessments in

    schools and installation support for water-saving appliances (Eco-school)


  • This slide show was realized by the students of Management Literacy class (first year, 1ère STG) at Savary de Mauléon High School, following a conference by our partner « Vendée Eau ».


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