عنوان مقاله [English]
Water is as a valuable material that is limited and is used for economic sections such as production, infrastructure and services. Urban water distribution network and healthy sewerage system like many other utilities, traditionally was the duties of government. But current experiments show that provision of utilities needed wasn't according to expectations. In law of amendment of article of fourth plan of government development, privatization has been chosen as a solution for solving these problems.
What are obstacles of privatization of water and wastewater companies (Tehran)? To know obstacles, some descriptive research with applicatory aim was done. In first questionnaire, 39 experts' opinions were taken about (Tehran) water and wastewater industry section which were faculty member of water and sewage department of university in water and electricity industry, and in second questionnaire 15 persons' opinions was taken.
The result of research according to current hypothesis is that there are structural, economic, social and cultural, legal, and political obstacles in privatization of water and sewage companies especially in Tehran to private sector. By using dematel and fuzzy logy, economic, “social and cultural” obstacles as effective and other “legal”, “structural” and “political” obstacles are influenced by two former obstacles. So by decreasing economic, social and cultural obstacles because of affecting on other obstacles, changes in direction of decreasing legal, structural and political obstacles would happen.