Upper Jhelum Canal (UJC) off takes from Mangla Headworks of Jhelum River.
The main canal has a total length of 142 km (Tail RD 418+000) with authorized head discharge of 12,800 cs., its GCA and CCA is 642447 and 603749 acres respectively. The channel was also redesign in 1941. Two (2) hydropower stations namely Rasul and Shadiwal having power potential of 22 and 12 MW were also constructed later on. After commissioning of Mangla Dam and Mangla Power House a new channel Bong Escape Canal was designed and UJC Head Regulator was relocated at its RD 27+500 (9 km from Head). The Gujrat Branch of UJCis the main distribution system with other direct distributaries having authorized discharge of 2039 cs.