<![CDATA[As the population increases, the need for housing also increases. Some people will look for makeshift land in areas that should not be allowed to build a house, one of which is the area along the river banks and borders. Several locations around the river that are used for activities and settlements in Lampung Province are areas around the Way Sukadana River which empties into the Way Seputih River in East Lampung Regency. To restore the function of the river riparian area, efforts are needed that can be used as one of the basis for the Integrated Team for Establishing the Way Sukadana River Boundary. This study aims to determine the parameters of the river boundary study using inventory survey methods and river hydraulics analysis. The method used is the hydraulics analysis method with recording data having a span of 10 years and can become a database that can be reviewed and used as the basis for the Document of Establishment of River Boundaries. Based on the results of hydrological analysis it is known that the maximum discharge can be Q2 = 629.64 m3/s, Q5 = 769.36 m3/s, Q10 = 832.79 m3/s, Q20 = 878.01m3/s, Q25 = 889.55 m3/s, Q50 = 917.96 m3/s s, Q100 = 938.64 m3/s. By using the Hydraulics Analysis method with the results in the form of coordinate points for laying the river boundary markers drawn from the foot of the outer design embankment along 5 meters and the river border is not embanked at least 50 meters from the left and right banks of the riverbed.Keywords: River Border, Sukadana, Hydraulics]]>
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