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Hydrology & Sediments

Monthly Mean Flow  218 m3 /Sec
Catchment area at Dam location 1 311 km2
10 000 years flood 1 500 m3/s
20 years flood (for diversion during construction) 550 m3/s
Estimated total Sediment load per year incl. bed load 345 000 tones/ year (0.3 Mm3)