Fishing in Pakistan Apart from these big lakes, a cluster of small lakes extend over 40,000 ha. The natural lakes in Punjab cover about 7,000 ha. Some of the lakes, such as Namal lake (480 ha), Uchhali lake (943 ha), Jahlar lake (100 ha), Kallar Kahar (100 ha), Kharal lake (235 ha) and Khabikki lake (283 ha) are brackish and are too saline to support aquaculture. Other man made lakes include Mangla dam, Terbela dam and Chashma Barrage. Aquaculture (or fish farming) is new in Pakistan. However, there is immense potential for development of the sector. Aquaculture production has rapidly increased since 2000
Mangla Dam tailrace discharges into New Bong Canal, which has a length of 25,000 feet with discharge capacity of about 49,000 cusecs, and terminates at an automatic gate control headworks at about 12 km downstream located near old Bong Escape Headworks. There are ten vertical Francis type turbines in the power house. Each of these turbines has an output of 138,00 bhp with a rated head of 295 feet of water. The first four turbines were manufactured by Mitsubishi Electric, Japan and were installed in 1969, turbines 5 and 6 are manufactured by , Czech Republic and were installed in 1974, turbines