The Barrage is situated 10 miles north-west of Kashmore and about 100 miles upstream of Sukkur Barrage on River Indus, almost at the northern boundary of Sindh Province. The Barrage has been designed for providing assured water supply and improvement and extension of Irrigation facilities of Sindh and Baluchistan areas, which were being irrigated by inundation canals, the supplies of which were depending on uncertain fluctuating water levels of River Indus. The construction of head works was completed in the year 1962. The whole area commanded by the Guddu Barrage designed non-perennial.

It is situated across River Indus, about 300 miles North East of Karachi. The Barrage is built on River Indus about 3 miles below the Railway Bridge, or the Sukkur Gorge. The idea of Sukkur Barrage, Barrage was conceived by Mr. C.A .Fife, in the year 1868, however, the project was finally sanctioned in 1923. The Head Works and Canals were completed by 1932. The Sukkur Barrage, is the pride of Pakistan’s Irrigation system and his the largest single Irrigation work of its kind in the whole world.

This Barrage which is the backbone of the economy of the entire Country through its net-work of Canals providing Irrigation supplies or an area of 7.63 million acres which forms approximately 25% of total canal irrigated area of the country. The Nara canal which is one of the 7 Canals off taking from this Barrage is the longest canal of this country, carrying discharge almost equal to that of Thames River at London and its bed width which is 346 ft. is 1 ½ (one and half) times as big as of Suez Canal. In fact Nara Canal is not a man-made canal has it was the southern-most part of Hakro River which emanated from the foot hills of Sutlej which after traversing through the Punjab and Bhawalpur Plains joined Nara through Raini River, the remnants of which are still exiting in Ghotki Taluka.

Kotri Barrage is situated 3 miles North of Hyderabad City. The project was sanctioned a few months before the dawn of independence in 1947. The Head works, were completed in 1955, and the left bank no perennial canals received weir controlled supplies the same year while Akram wah (Perennial) was made operational in 1958. On the Right Bank one single canal, Kalri Bagar Feeder off takes and it started functioning for first time in year 1958.

Four feeder canals, three on the left and one on the right bank of River Indus off-take from this Barrage and deliver assured Irrigation Water supplies for an area of 3.0 million acres. The feeder on the right, namely, Kalri Bagar Feeder has a unique designed where the Keenjhar Lake forms the integral Part of the canal system.