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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

slide2
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
slide3
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)
slide4
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
slide5
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

slide6
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.

slide7
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. »

slide8
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

slide9
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.
slide10
Presentation of Vendée Eau

Communes which adhere to Vendée Eau

Independent communes

Inter-communal syndicates boundaries

slide11
Presentation of Vendée Eau

Budget :€ 105 million

  • Investment : € 25 million
  • Operating coasts : € 80 million
slide12
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

slide13
Presentation of Vendée Eau

Private contractors’operating zones for the distribution of potable water

slide14
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
slide15
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

slide17
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
slide18
Presentation of Vendée Eau

Pipe Laying

worksite

slide19
Présentation de Vendée Eau

Painted water tower

in Saint Révérend

slide20
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

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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.

slide22
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

slide23
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

slide24
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
slide25
Strategic direction of Water safety plan

Groundwater research campaign

slide26
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
slide27
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

slide28
Operational Decisions Fight water waste

A communication adapted to all

Regional communities

Subscribers and the general public

Pupils

slide29
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)

slide30
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
slide31
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

slide32
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)

slide33
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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