MunServNet - Component B - 1st Expert panel

11-13 July 2006, Chania

Perspectives and Perspectives and priorities in drinking priorities in drinking water in Debrecenwater in Debrecen

Zoltán KarácsonyiZoltán Karácsonyi University of Debrecen

Centre for Environmental Management and Policy

József ÁnyosJózsef ÁnyosDebrecen Waterworks Co.

Developments regarding Developments regarding drinking waterdrinking water

Main fields:Main fields:

• Water Water productionproduction

• Water networkWater network

• Water supply concernsWater supply concerns– 85.000 households85.000 households– 13.735 thousands m13.735 thousands m33/year/year

• Reconstruction of the drinking water Reconstruction of the drinking water supply system in 2000-2002supply system in 2000-2002

Developments in water Developments in water productionproduction

Reconstruction of the drinking Reconstruction of the drinking water supply system in 2000-2002 water supply system in 2000-2002 (1)(1)

• Main reasons for the reconstruction:Main reasons for the reconstruction:– Level of capacity exploitation has been Level of capacity exploitation has been

reduced to 50%reduced to 50%– Cost effectiveness declinedCost effectiveness declined

• 4,1 million CHF (~ 2,6 M EUR) 4,1 million CHF (~ 2,6 M EUR) support – SECO (support – SECO (Swiss State Swiss State Secretariat forSecretariat for E Economic Affairsconomic Affairs))

• 57% of total costs ensured by SECO57% of total costs ensured by SECO• Implementation started on Implementation started on

11.12.200011.12.2000

Reconstruction of the drinking Reconstruction of the drinking water supply system in 2000-2002 water supply system in 2000-2002 (2)(2)

• Results:Results:– Structural modernisation, living labour Structural modernisation, living labour

saving (46 persons instead of the earlier saving (46 persons instead of the earlier 96 persons)96 persons)

– Changes in cost structure (depreciation Changes in cost structure (depreciation instead of maintenance costs, reduction in instead of maintenance costs, reduction in other input)other input)

– High-rated automationHigh-rated automation– Energy savings, reduction of electricity useEnergy savings, reduction of electricity use– Service safeService safe– Improvement of water qualityImprovement of water quality

Reconstruction of the drinking Reconstruction of the drinking water supply system in 2000-2002 water supply system in 2000-2002 (3)(3)

• New equipments inNew equipments in– Water production (wells, Water production (wells,

submersible pump)submersible pump)– Water cleaning (filters, disinfection)Water cleaning (filters, disinfection)

Reconstruction of the drinking Reconstruction of the drinking water supply system in 2000-2002 water supply system in 2000-2002 (3)(3)

• Control Control engineering engineering systemsystem– 2-step system:2-step system:

•Global level (city)Global level (city)

•Basic level (sub-Basic level (sub-unit)unit)

– Drinking water Drinking water supply (network supply (network pumps, water pumps, water tower)tower)

Developments in water Developments in water network (1)network (1)

• Main Main developments developments between 1995-between 1995-20032003– Water network Water network

expansion expansion – 86 km network 86 km network

builtbuilt– Important Important

contribution of contribution of the inhabitantsthe inhabitants

Developments in water Developments in water network (2)network (2)• Number of households connected into drinking water networkNumber of households connected into drinking water network

Developments in water Developments in water network network (3)(3)• Number of inhabitants getting public water supplyNumber of inhabitants getting public water supply

Laboratory developments Laboratory developments (1)(1)

Quality measures (2004)Quality measures (2004)•Drinking water: 1,85 (number of analysis divided by Drinking water: 1,85 (number of analysis divided by stipulated number of analysis by national law)stipulated number of analysis by national law)•Exceeding the limit: in case of drinking water: 0,3%Exceeding the limit: in case of drinking water: 0,3%

Latest development

•New central laboratory inaugurated in November 2005•Up-to-date laboratory technology•1300 m2, 62 rooms•Investment: about 1,5 million EUR•Chemical, biological, microbilogical analysis relating to water supply•Quality control of wastewater and wastewater sludge

Laboratory developments Laboratory developments (2)(2)

Drinking Water Quality Drinking Water Quality Improvement Improvement (1)(1)

• Programme for the Hungarian Programme for the Hungarian North North Great Plain RegionGreat Plain Region

• Existing problems:Existing problems:– ffragileragile water bases water bases – Secondary pollutionSecondary pollution– micro-pollutionmicro-pollution– No water treatment technology is No water treatment technology is

applied with a large number of applied with a large number of settlementssettlements

– over-dimensioning of the distribution over-dimensioning of the distribution pipespipes

– material of pipmaterial of pipelineeline is mainly rigid, is mainly rigid, fragile asbestos-cement (network loss fragile asbestos-cement (network loss – – 2525--4545%)%)

Drinking Water Quality Drinking Water Quality ImprovementImprovement (2) (2)

• 1st phase project approval: August 20051st phase project approval: August 2005

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• 1st phase project elements1st phase project elements

– Technology:Technology: technological developments at the 25 technological developments at the 25 waterworks (filter equipments, electronic control units, waterworks (filter equipments, electronic control units, chemical feeding equipments, pumps, dehumidifier basins chemical feeding equipments, pumps, dehumidifier basins etc. )etc. )

– Pipeline reconstruction:Pipeline reconstruction: Changing the sections of worst Changing the sections of worst quality in the pipeline networks of the settlements (breaks, quality in the pipeline networks of the settlements (breaks, leakage, asbestos-cement material)leakage, asbestos-cement material)

– Network cleansing:Network cleansing: Improve the remainder parts of networks Improve the remainder parts of networks for enabling the cleansing by foam swabbing – investment-for enabling the cleansing by foam swabbing – investment-type developments (bolts, connection elements, branches type developments (bolts, connection elements, branches etc.)etc.)

Drinking Water Quality Drinking Water Quality ImprovementImprovement (3) (3)

• 1st phase financial background1st phase financial background– 75% EU support (Cohesion Fund)75% EU support (Cohesion Fund)– 15% Hungaria15% Hungarian n governmental cogovernmental co--financingfinancing– ~3-5% Fund of Ministry of Home Affairs~3-5% Fund of Ministry of Home Affairs– ~5-7% ~5-7% MMunicipal own resourcesunicipal own resources

EUREUR HUFHUF

TechnologyTechnology 13.155.46413.155.464 3.420.420.5883.420.420.588

Pipeline ReconstructionPipeline Reconstruction 10.259.70310.259.703 2.667.522.8792.667.522.879

Cleaning of Network PipelinesCleaning of Network Pipelines 2.168.5952.168.595 563.834.720563.834.720

TotalTotal 25.583.76225.583.762 6.651.778.1876.651.778.187

Population concernedPopulation concerned 108108..767767

The length of pipes [m]The length of pipes [m] 1114.81314.813

Drinking Water Quality Drinking Water Quality ImprovementImprovement (4) (4)

• 2nd stage preparations2nd stage preparations– NNorth orth GGreat reat PPlainlain R Regional egional DDevelopment evelopment

CCouncilouncil provided support for the starting the provided support for the starting the preparation: it bases the planning phasepreparation: it bases the planning phase

– New situation analyses finalized December New situation analyses finalized December 20052005

– Further support from National Development Further support from National Development Office – appr. 2,8 Million EUR for the complete Office – appr. 2,8 Million EUR for the complete preparation (planning, FS, CBA, EIA, AF, tender preparation (planning, FS, CBA, EIA, AF, tender documentations etc.)documentations etc.)

Drinking Water Quality Drinking Water Quality ImprovementImprovement (5) (5)

Thank you for your kind attention!