Hydrological accurate plan as the main supporting of pejok reservoir design in bojonegoro regency, east Java Province of Indonesia

This study intends to carry out the hydrological analysis accurately for supporting the design of Pejok Reservoir. Pejok Reservoir is located in Bojonegoro Regency, East Java Province of Indonesia. Without the accurate plan of hydrology, it will cause some troubles and damages after a reservoir has been operated moreover Pejok is as an ungauged basin. The methodology consists of the design flood analysis and plan, flood routing through the reservoir, dependable discharge analysis and plan, and the irrigation water requirement analysis and plan. Result is hoped can support the accurate design of Pejok Reservoir, so there are not some troubles and damages after the reservoir has been operated for a long time.