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A new conceptual water integrated management model is proposed for the Annaba region water management. The effective variables of water sector management are characterized and the geographical areas under water stress within AR are defined. The aim of the study is to find out how to establish the prediction relationships to be used as decision support tools. The Conceptual Water Integrated Model in Semi-Arid Mediterranean (CWIMSAM model) concept integrates socioeconomic, pollution pressures, water quality, public health and ecological impacts, and institutional responses. It shifts water resources from supply management side to demand management side. The integrated, preventive, and ecosystem approaches have been introduced. We apply the research methodology development and the validation of CWIMSAM to achieve sustainable water resources management. We discuss on the driver-pressure-state-impact-response (DPSIR) framework to develop the possible variables based on cause-effect relationship. We analyze the expert opinion and judgment methods for the development and validation of model and variables and we make the comparison with well-established water management models.

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