WATERLOSS MANAGEMENT OF WATER LOSSES IN A DRINKING WATER SUPPLY SYSTEM

Transcription

1 WATERLOSS MANAGEMENT OF WATER LOSSES IN A DRINKING WATER SUPPLY SYSTEM Issue 4 November 2012 Presentation of WATERLOSS Pilot Areas WATERLOSS project aims to assist regional actors to face the emerging issues of water management and shortage. Therefore, WATERLOSS will develop a decision support tool, aiming to a prioritized list of measures for controlling water losses adapted to regional conditions. This DSS tool and the corresponding water loss reduction measures, will be then applied in the selected partners areas, providing a critical evaluation of the results. WATERLOSS project includes pilot areas from all participating countries; Greece, France, Cyprus, Spain, Slovenia, and Italy. In this 4 th newsletter the pilot areas of French partner Conseil Général des Pyrénées Orientales will be presented. Key info: MED programme Total budget: 1, ERDF contribution: 1, Project Duration Partnership Aristotle University of Thessaloniki (Greece) Conseil Général des Pyrénées Orientales (France) Water Board of Nicosia (Cyprus) Regional Development Centre (Slovenia) Metropolitan Area of Barcelona (Spain) Municipal Enterprise for Water Supply and Sewerage in Kozani (Greece) Liri-Garigliano & Volturno Rivers Basin Authority (Italy) University of Ljubljana (Slovenia) Départment of Hérault (France) gardenmandy.com

2 Conseil Général des Pyrénées Orientales (PO) Selected Pilot Area(s): The study area chosen by Conseil Général des Pyrénées Orientales is the Roussillon plain, where groundwater resources are deficient and the networks performance is important for PO s territory. PO selected 3 pilot cases for their differences in characteristics and water utility management, which generate different estimated quantitative results and performance indicators : Baho city: Baho is a rural town with a water utility that is a public body. Argelès sur Mer city: Argelès-sur-Mer is a seaside resort with a large variation in population and a water utility that is a public body. Thuir city: Thuir is an urban area with a water utility that is a private body (SAUR company). Case Study no.1 City of Baho Local context Baho city is located a few miles west of Perpignan, in the territory of the local authority Perpignan agglomeration, grouping 36 municipalities, inhabitants and an area of 617 km 2. The city has a permanent population of residents with a summer population of an additional 125 persons. Water management Drinking water management is public, managed by the local authority of Perpignan agglomeration. Other municipalities are either managed by the local authority or outsourced by public services. In the local authority s water department there are 10 employees assigned to the drinking water network management and monitoring the production and distribution facilities. Drinking water network Baho is supplied with water from a drilling, about 50m. deep (photo 1). The water from the tank storage is over pressed and distributed throughout the city. This tank has an overflow alarm. In Baho city there are water meters; no big consumers. The pipes length is about 17 km. The annual average distributed volume is m 3 (in ). EPANET software is used for the systems simulation process. The Waterloss Water balance shows that NRW counts for 51.2% of the SIV and the Accounted for NRW is 45.3% of the NRW. Baho : Drilling and storage tank (250 m 3 ) Baho : Drinking water supply system schema Baho : EPANET figure Page 2

3 Conseil Général des Pyrénées Orientales (PO) Case Study no.2 City of Argelès-sur-mer Local context Argelès-sur-mer is a tourist coastal town located in the territory of the local authority Communauté des comunes Alberes Cote Vermeille, grouping 12 municipalities of inhabitants and an area of 246 km 2. The population served is people in the winter time, while during the summer the population reaches people. Water management Drinking water management in this city is public, managed by the local authority Communauté des comunes Alberes Cote Vermeille. Other municipalities are either managed by the local authority or outsourced by public services. Drinking water production has been transferred to SMPEPTA (Local authority) since 01/01/2006. The Communauté des comunes Alberes Cote Vermeille staff is responsible to the technical management. In the local authority s water department there are 22 employees assigned to the drinking water network management and monitoring the production and distribution facilities. Drinking water network Argelès-sur-mer is supplied with water from 2 resources: Latour Bas Elne is the main production site. There is a drilling and a well, used to supply Argelès sur mer exclusively; Treatment by gas chlorination and soda re-mineralization. Water is then conveyed to Plage Nord Plant. Pont du Tech plant: There are wells and water taking from Tech river. On this site there is a storage tank of m 3. This site serves also other municipalities. There are several water storage sites: Plage Nord plant: 2 tanks of m 3 each and 2 boosting stations (2 pumps each). Racou Tank: capacity storage of m 3. Route de Sorède Tank: capacity storage of m 3. In Argeleè-sur-mer city there are water meters. The pipes length is about 136 km. The average annual distributed volume is m 3 (in ). There is a GIS established in the network.the Waterloss Water balance shows that NRW counts for 20.16% of the SIV and the Accounted for NRW is 25.84% of the NRW. Latour Bas Elne production site Pont du Tech production site Drinking water supply system Distribution network GIS plot Page 3

4 Conseil Général des Pyrénées Orientales (PO) Case Study no.3 City of Thuir Local context Thuir is an agricultural plain (fruit trees, vines) located in the territory of a local authority named Communauté des communes des Aspres grouping 19 municipalities or inhabitants and an area of 250 km 2. The city has a permanent population of residents and an additional summer population of 300 persons. Water management Operation and maintenance of the drinking water supply system for all the local authority is outsourced by public services (production, distribution) and managed by the private company SAUR. SAUR company has 30 employees assigned to the drinking water and sanitation network management for PO territory and also Aude territory (neighboring province). Drinking water network Thuir is supplied with water from 2 resources: Mas Ripoll site (2 wells + 1 drilling) Lavoir drilling These resources supplied several cities in the local authority territory. Water is treated with chlorine gas. There are 3 levels of distribution named : Thuir low, Thuir high and Thuir very high. There are several water storage sites all equipped with overflow alarms: Mas Ripoll tank : capacity storage of 900 m 3. Causse hτpital tank : capacity storage of m 3. Causse haut tank : capacity storage of 500 m 3. In Thuir city there are water meters. The pipes length is about 67 km. The annual average distributed volume is m 3 (in ). There is a GIS established in the network. The Waterloss Water balance shows that NRW counts for 52.93% of the SIV and the Accounted for NRW is 83.99% of the NRW. Lavoir Drilling Production site Drinking water supply system schema Mas Ripoll production and storage site Distribution network GIS plot Page 4

5 PILOT CASES AUDIT Waterloss results External expertise in PO Actual leakage is the largest part of water losses: from 14% to 48% of produced drinking water, depending on the town. Networks nocturnal sectorization and targeted research of leaks by acoustic correlation permit to precisely localize, in the short term, flaws. Tele-monitoring and a network s management with renewal program may be implemented in the average term for preventive purposes. This program was presented to the steering committee composed by the three pilot towns and has directed the next step of the project. Efforts will be concentrated on reducing leaks, representing the most effective and economically affordable methodology. Moreover, it will be possible to compare results with current values. There is also plan of partnership with the SDIS (fire service) for a better view of water uses with fire hydrants. Project team PO s project team is currently formed by: Mrs ASSENS Martine Project supervisor Mrs BORDEROLLE Claire Technical officer Mrs RASOLONDRAIBE Muriel Technical support in PO Mrs CUGUSI Barbara Administrative officer Page 5

6 Meetings and Events 5th SC Meeting, Barcelona, Spain The 5th Steering Committee meeting of WATERLOSS project was held in Barcelona, Spain on 9-11 May The meeting was organized by the Metropolitan Area of Barcelona. 5th SC meeting in Barcelona, 9-11 May 2012 The main topic was the completion of Component 3: Monitoring the performance of Water Supply Systems and evaluation of water losses the progress of Component 4: Development of a DSS tool for appropriate NRW reduction strategy and the initiation of Component 5: Demonstration of the DSS tool into specific WSS. The meeting was opened by Mr. Martín Gullón Santos, Director of the Water cycle Department in the Metropolitan Area of Barcelona, who welcomed the participants. The meeting also attended Mr. Javier Gomez Prieto, the WATERLOSS project officer from the Joint Technical Secretariat. The first day of the meeting was dedicated to the discussion of technical issues whereas the second day was dedicated to project management structures and activities. On the third day, a technical visit at the desalination plant in El prat del LLobregat took place. 1st Spanish Information & Awareness Seminar, Barcelona, Spain 1st Spanish Information & Awareness Seminar in Barcelona, 8 May 2012 The 1st Spanish Information and Awareness Seminar of WATERLOSS was organized on 8th May 2012 by the Metropolitan Area of Barcelona. Partners AUTH and DEYAK also attended the seminar presenting the so far project results in their areas. The issues discussed during the seminar focused on existing cases such as: the study of AGBAR water losses at the Barcelona Metropolitan Area, Innovation & efficiency in water loss management; from water indicators to the useful knowledge Study case: water losses pre-localization without classical methods. Approximately 50 participants, attended the seminar which was followed by a technical visit to the AGBAR remote and operating control Centre. Page 6

7 Dissemination Activities Dissemination plays a key role from the very start of the project and throughout the project s implementation. WATERLOSS partners have been very active on disseminating the project s actions in order to raise awareness on the importance of water loss reduction. Below you can see examples of dissemination activities performed by the WATERLOSS partners: 1st March 2012: The link of WATERLOSS website was included in the website of similar INTERREG IVC project WATER CoRe 12th March 2012: Department of Hérault participated in the 6th World Water Forum organized in Marseille during March 2012, representing project WATERLOSS March 2012: Conseil Général des Pyrénées Orientales participated in the Alternative World Water Forum, in Marseilles, representing project WATERLOSS by holding an Information stand. 22nd March 2012: The Metropolitan Area of Barcelona sent to 365 recipients an informational letter on project WATERLOSS together with the project s Catalan brochure in order to widely inform Barcelona citizens about the project and its results. Page 7

8 Dissemination Activities 27 th March 2012: Aristotle University attended a 3 days seminar organized by the relevant MED project Water in Core, entitled Water Management and Climate Change in Mediterranean Water Basins. During the 2 nd day of the seminar, project WATERLOSS was presented to the participants March 2012: Aristotle University attended the IWA Regional Conference on Wastewater Purification and Reuse (WWPR 2012), in Heraklion-Crete. WATERLOSS information and dissemination material was handed out to the participants. April 2012: The Metropolitan Area of Barcelona published a presentation of the project WATERLOSS. The newsletter was sent to 646 people and was also published on the site of the organization. 8 th May 2012: Aristotle University and the Municipal Enterprise for Water Supply and Sewerage in Kozani participated in the 1 st Spanish Information and Awareness Seminar in Barcelona, Spain May 2012: Aristotle University attended the 12 th edition of the Green Week event in Brussels, Belgium. AUTH attended sessions relevant to WATERLOSS s theme and considerations on efficient water management, receiving important feedback on: EU water policy implementation, Water-related policy developments and climate change, Water pricing, Sustainable water management and green economy, Water industries and resource efficiency AUTH representatives disseminated official project material and met with relevant stakeholders from similar projects to exchange information and contacts for future collaboration in relevant EU program initiatives. Page 8

9 Dissemination Activities May 2012: Aristotle University attended the Waterloss Europe 2012 Conference in Ferrara, Italy, presenting project WATERLOSS and the scientific paper entitled: Benchmarking six Mediterranean water pipe networks performance assessment results highlighting the role of the management practices applied by the local water utilities. 23rd May 2012: Conseil Général des Pyrénées-Orientales participated in a professional workshop organized by their local authority, entitled The drinking water supply systems efficiency. Project WATERLOSS was presented and dissemination material was distributed to all participants. June 2012: The Metropolitan Area of Barcelona produced an informative video about project WATERLOSS which was aired on TV3 Environment Programme channel and was viewed by approximately inhabitants. 11th June 2012: The Metropolitan Area of Barcelona produced a press release on project WATERLOSS entitled: A sustainable water management, published in the newspaper EL PUNT AVUI in copies with an estimated readership of approximately inhabitants. Page 9

10 Dissemination Activities 12th June 2012: Conseil Général des Pyrénées-Orientales held a working meeting on project WATERLOSS to present the work done and discuss and validate the results. 12th June 2012: Water Board of Nicosia produced a WATERLOSS dissemination document to inform the general public about the project and its results. 3-6 July 2012: Aristotle University attended the XI Protection and Restoration of the Environment (PRE) Conference, in Thessaloniki, presenting project WATERLOSS and the scientific paper entitled Developing a Data Reporting Approach for Water Distribution System Evaluation. 3rd July 2012: Conseil Général des Pyrénées-Orientales held a working meeting to present the work done and define methodologies for unbilled unauthorised consumption and leakage volumes July 2012: Aristotle University attended the HIC2012 Conference in Hamburg, Germany and presented project WATERLOSS as well as the scientific paper entitled Water distribution system performance level integrated evaluation using new Performance Indicators based on a modified IWA Water Balance. Page 10