Assessment of Flooding Impact on Water Supply Systems: A Comprehensive Approach Based on DSS

Silvia Barbetta (), Bianca Bonaccorsi, Stavroula Tsitsifli, Ivana Boljat, Papakonstantinou Argiris, Jasmina Lukač Reberski, Christian Massari and Emanuele Romano
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Silvia Barbetta: Research Institute for Geo-Hydrological Protection, National Research Council (CNR)
Bianca Bonaccorsi: Research Institute for Geo-Hydrological Protection, National Research Council (CNR)
Stavroula Tsitsifli: Sewerage Company of Larissa
Ivana Boljat: Croatian Geological Survey
Papakonstantinou Argiris: Sewerage Company of Larissa
Jasmina Lukač Reberski: Croatian Geological Survey
Christian Massari: Research Institute for Geo-Hydrological Protection, National Research Council (CNR)
Emanuele Romano: National Research Council (CNR)

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2022, vol. 36, issue 14, No 6, 5443-5459

Abstract: Abstract The assessment of flood impact on a Water Supply System (WSS) requires a comprehensive approach including several scales of analysis and models and should be managed in the Water Safety Plans (WSP), as recommended in the EU Water Directive 2020/2184. Flooding can affect the quality of groundwater and surface water resources and can cause supply service interruption due to damaged infrastructures. A complete approach to address flood impact on WSS is required but not yet available, while only specific aspects were investigated in details. This work introduces a comprehensive tool named WAter Safety Planning Procedures Decision Support System (WASPP–DSS) developed in the context of MUHA (Multihazard framework for Water Related risks management) project. The tool is mainly addressed to small water utilities (WU) for supporting WSP development and is based on two main premises: 1) a correct approach for WSS risk analysis requires a multi-hazard perspective encompassing all the system components and different hazards; 2) other institutions in addition to WUs have to be involved in WSS risk analyses to harmonize monitoring and response procedures. The tool is here applied on risks associated to flooding and demonstrated for three case studies. The WASPP–DSS, tested by eight WUs, was found a potentially valid support for small WUs that must start drafting the WSP in a comprehensive way and can provide a common shared scheme. Improvements are desirable, as including a specific section to consider the issue of loss of water resources from reservoirs due to overflow.

Keywords: Flood hazard; Water supply system; Water safety plan; Decision support system (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11269-022-03306-x

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