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ABSTRACT
Poor drainage systems form part of major threats to urban environments in Nigeria. Most of streets within the urban and rural settlement are faced with the challenges such as lack of drainages or properly designed drainages to evacuate storm water from the surface-course of our roads Sokoto is one the cities that are growing at a high rate in terms of infrastructural development, which involves construction and concretization of the city land surface. This, as a result of poor drainage systems, leads to flooding and other environmental problems such as roadway pavement failure. This research, however, is limited to evaluating the quality of drainage systems along the streets of Sokoto Metropolitan, and rating of these drainages in four (4) rating categories; excellent, good, fair, and poor. It was carried out through visitation to various streets along the study area. In the process, drainages were observed by the nature of construction, materials used for the construction, and whether or not there is proper maintenance of those drainages. On that basis, the study revealed that the drainage systems in Sokoto metropolis are faced with problems such as; lack of good design, lack of provision of drainages in many streets and roads, blockages of the existing ones, disposal of solid waste materials in gutters which results in over flooding. Full Text
