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 million cusecs. The emergency spillway is weir type with an erodible bund and a maximum capacity of 0.23 million cusecs. The 5 tunnels are steel and concrete lined and 1,560 feet long in bedrock. The internal diameter ranges between 26 and 31 feet. The power house, which consists of turbines, generators and transformers, has been constructed at the toe of an intake embankment at the ground surface elevation of 865 feet SPD. The water to the power house is supplied through five steel-lined tunnels of 30/26 feet diameter. Each tunnel is designed to feed two generating units. The power house