Rawal Lake in Pakistan is an artificial reservoir that provides the water needs for the cities of Rawalpindi and Islamabad. Korang River along with some other small streams coming from Margalla Hills have been set to form this artificial lake which covers an area of 8.8 km. Korang River is the outlet stream of Rawal Dam. Rawal Lake is located within an isolated section of the Margalla Hills National Park.
Recreation
The area around the lake has been planted with flowering trees and laid out with gardens, picnic spots, and secluded paths. The terraced garden and the lake are used for picnics, fishing and boating. The highest point in the garden offers a panoramic view of the lake, Margalla and Murree hills, Rawalpindi and Islamabad.Boating, sailing, water skating and diving facilities are organized by private clubs.To the west of the lake is the Islamabad Club, which offers different sporting facilities.
Features of Rawal Lake dam
- Type of dam: partly arched gravity dam (stone masonry)
- Crest level: 1,742 ft (531 m)
- Crest length: 700 ft (210 m)
- Maximum height: 133.5 ft (40.7 m)
Saddle
- Length 6,991 ft (2,131 m)
- Height 24 ft (7.3 m)
Spillway
- Type: Ogee gated structure
- Discharge Capacity: 82000 ft³/s (2,300 m³/s)
Reservoir
- Area: 3 square miles (7.8 km2)
- Maximum depth: 102 feet (31 m)
- Live storage: 43,000 acre-feet (53,000,000 m³)
- Dead storage: 4,500 acre-feet (5,600,000 m³)
- Gross capacity: 47,500 acre-feet (59,000,000 m³)
Canals
- Left bank canal: length 5 miles (8.0 km)
- Capacity: 40 ft³/s (1.1 m³/s)
- Right bank canal: length 1.5 miles (2.4 km)
- Capacity: 70 ft³/s (2.0 m³/s)
Drinking water supply
- Rawalpindi: 19.5 million gallons/day
- Islamabad: 2.5 million gallons/day
Command area
- Agriculture: 500 acres (2.0 km2)
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