Osman Sagar
| Osman Sagar | |
|---|---|
| View of Osman Sagar | |
| Official name | Osman Sagar | 
| Country | India | 
| Location | Gandipet, Ranga Reddy District, Telangana, India | 
| Coordinates | 17°23′N 78°18′E / 17.383°N 78.300°E | 
| Purpose | Multi-purpose | 
| Status | Operational | 
| Construction began | July 15, 1912 | 
| Opening date | May 8, 1921 | 
| Construction cost | ₹ 60 Lakh (As on November 11, 1915) | 
| Owner(s) | Government of Telangana | 
| Operator(s) | Hyderabad Metropolitan Water Supply and Sewerage Board | 
| Dam and spillways | |
| Type of dam | Barrage | 
| Impounds | Musi | 
| Height | 35.9664 metres (118.000 ft) | 
| Height (foundation) | 535.5336 metres (1,757.000 ft) | 
| Length | 1.92 kilometres (1.19 mi) | 
| Elevation at crest | 545.592 metres (1,790.00 ft) | 
| Spillways | 15 Gates | 
| Spillway capacity | 1,05,000 cusecs | 
| Reservoir | |
| Creates | Osman Sagar | 
| Total capacity | 3.90 TMC (Reduced capacity due to silt accumulation); 5.541 TMC (During 1920) | 
| Catchment area | 738.147 km2 (285.000 sq mi) | 
| Surface area | 24.786 km2 (9.570 sq mi) | 
Osman Sagar is a reservoir in the Indian city of Hyderabad. The lake is around 46 km2, and the reservoir is around 29 km2, with total level of 1,790 feet and a capacity of 3.9 tmc ft.