Control and protection of soil and water resources, especially river water, is one of the important indicators of sustainable development; Because by controlling surface and groundwater resources, a major part of soil resources will be organized. River engineering is a practical branch of water resources engineering that includes a set of activities related to the planning, design, construction and operation of rivers and is done to improve their natural conditions. Sazab Pardazan Consulting Engineers has been building capacity in this field since the early years of its presence in the field of consulting services and is proud to provide all aspects of river engineering services including studies with 30 years of activity and participation in the development and advancement of development projects.Design and supervise 115 projects to fulfill their national duty in this regard. Many of these projects, which are national in scope, have been implemented and put into operation. The experience of the last two decades in the field of river engineering has led these consulting engineers to carry out important border and strategic projects, such as the project of studying, designing and supervising the organization of the Huwr al-Azim International Wetland. In this case, the confrontation of issues and problems of border and international law with the technical issues of river engineering and common water resources has been a great challenge that has brought valuable experiences. The ultimate goal in this field is to maximize the use of rivers to meet water needs and minimize the negative effects and reduce their risks, so that they create suitable and stable conditions in the study period in the river. These measures include plans to determine the boundary and river area, organizing and protecting rivers to increase the flow capacity and control the rate of erosion on the banks and riverbeds by using protective walls, breakwaters, cross-sectional improvement and. . . The general outlines of river engineering services are: • Stabilization and protection of river banks to prevent flood infiltration, erosion control and riverbeds • Determining the boundary and privacy of the river in order to apply quantitative and qualitative protection management using hydraulic models and river sediment and preparation of databases in GIS environment • Determining the width and boundaries of rivers and canals in order to exercise government sovereignty over commonalities and legalize the legal and technical bases for determining the boundaries and boundaries of rivers • Organizing material harvesting and protection of important facilities in riverbeds and banks and introducing alternative mines to supply the required materials • Flood control and containment in rivers • Design of water diversion structures and protection facilities • Preparation of hydraulic models and river sediment