Qualla: Mangla Dam

Mangla Dam: Introduction

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Bezerk86, Public domain. In 1960, India and Pakistan signed the Indus Waters Treaty, carving up the subcontinent's lifeblood by river. Pakistan gained the Jhelum, the Chenab, and the Indus itself, but gaining rights to water meant nothing without the infrastructure to hold it. The monsoon delivered billions of gallons each summer, then the rivers shrank to a fraction of their capacity during the growing season when farmers needed them most. Pakistan's entire irrigation system ran on the unregulated pulse of the Indus and its tributaries, and the agricultural yield suffered accordingly. The answer was concrete, clay, and earth on a colossal scale: the Mangla Dam, rising where the Jhelum carves through the hills of Azad Kashmir, 67 miles southeast of Islamabad.

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Image: Bezerk86 | Public domain

Mangla Dam: An Engineering Colossus

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Omalik1, CC BY-SA 4.0. Construction began in 1961, with British firm Binnie & Partners leading the design under Geoffrey Binnie and a consortium of eight American companies, sponsored by the Guy F. Atkinson Company of South San Francisco, handling the build. By 1965, the main structure was complete: an...

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Image: Omalik1 | CC BY-SA 4.0

Mangla Dam: Turbines from Four Continents

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Carport, CC BY-SA 3.0. The powerhouse tells a story of Cold War-era industrial diplomacy. Ten vertical Francis turbines sit at the base of the intake embankment, each rated at 138,000 brake horsepower with a 295-foot head of water. The first four came from Mitsubishi Electric in Japan, installed in 196...

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Image: Carport | CC BY-SA 3.0

Mangla Dam: The Mirpuri Diaspora

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Abeera khurshid1, CC BY-SA 3.0. What the engineering accounts rarely mention is what the reservoir swallowed. Villages in the Mirpur District vanished beneath the rising water, displacing tens of thousands. The Government of Pakistan arranged work permits for Britain as partial compensation, and the displaced f...

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Image: Abeera khurshid1 | CC BY-SA 3.0

Mangla Dam: Rising Higher

Wed, 25 Mar 2026 00:00:00 GMT

Photo credit Aqib0315, CC BY-SA 4.0. Sedimentation is the slow enemy of every reservoir. By 2005, silt had reduced Mangla's original storage capacity of 5.88 million acre-feet to 4.67 million. The Mangla Dam Raising Project, launched in 2004 and completed in 2009 at a cost of 101 billion Pakistani rupees, added 30 f...

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Image: Aqib0315 | CC BY-SA 4.0