The Effect of Interaction Between Qanat and Water Dist ribution in Naser-Khosro Street of Tehran

In this paper which is written as an experience acquired from one of the experts in water and wastewater industry, interaction between qanats and municipal water network has been investigated. The recorded problems seen in Naser-Khosrow experience is about during year 1997. After representing street in Tehran the experience and reviewing the case, major difficulties of current qanats located in urban areas together with suggestions to reduce occurrence or effects of this problem is presented. This article can be useful for experts and authorities in urban and rural water and wastewater companies, regional water companies and also consulting engineers and contractors.