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The irrigation works in ancient Sri Lanka were some of the most complex irrigation systems of the ancient world. The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya, and were under continuous development for the next thousand years. In addition to constructing underground canals ...
The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) is an ancient irrigation system spanning the island of Sri Lanka. It is a network of thousands of small irrigation tanks (Sinhala: වැව, romanized: wewa) draining to large reservoirs that store rainwater and surface runoff for later use. They make ...
Tissa Wewa. Yoda Ela (Giant Canal) or Jaya Ganga, an 87 km (54 mi) long single banking water canal carrying excess water to Tissa Wewa reservoir from Kala Wewa reservoir in Anuradhapura. The Yodha Ela is known for achieving a rather low gradient for its time. The gradient is about 10 centimetres per kilometre or 6 inches per mile. [1][2][3]
Max. depth. 34 ft (10 m) [2] Water volume. 106,500 acre⋅ft (131,365,816 m 3) [1] Surface elevation. 101 ft (31 m) [3] Iranamadu Tank (Tamil: இரணைமடு குளம் Iraṇaimaṭu Kuḷam; Sinhala: ඉරණමඩු වැව) is an irrigation tank in northern Sri Lanka, approximately 3 mi (5 km) south east of Kilinochchi.
231 GWh. The Uma Oya Hydropower Complex (also internally called Uma Oya Multipurpose Development Project or UOMDP) is an irrigation and hydroelectric complex in the Badulla District of Sri Lanka. Early assessments of the project date back to 1989, when the first studies was conducted by the country's Central Engineering and Consultancy Bureau.
Major irrigation schemes of Sri Lanka, as evident from the earliest written records in the Mahawansa, date back to the fourth century BCE (Parker, 1881; [1] Brohier, 1934). ). The purpose and determination in the construction of the irrigation systems are depicted by the words of Parakrama Bahu I, 1153–1186 CE: "Let not even a drop of rain water go to the sea without benefiting
www.irrigationmin.gov.lk. Footnotes. [2][3] The Ministry of Irrigation[4] (Sinhala: වාරිමාර්ග අමාත්යාංශය; Tamil: நீர்ப்பாசன அமைச்சு) is the cabinet ministry of the Government of Sri Lanka responsible for: [5] The development of the nation's water resources and irrigation ...
Mahaweli Development programme. The Mahaweli Development program (Sinhala: මහවැලි සංවර්ධන වැඩසටහන) is known as the largest multipurpose national development program in the history of Sri Lanka and is also considered the keystone of the government's development program that was initiated in 1961.