Randenigala Reservoir is Sri Lanka’s largest Mahaweli hydro reservoir, built in 1986 for power and irrigation, with a 861M m³ capacity.
Randenigala Reservoir R andenigala Reservoir (Sinhala: රන්දෙණිගල ජලාශය), is a major reservoir situated within Victoria Randenigala Rantembe Sanctuary in Central Province, Sri Lanka. It has the highest capacity out of the other reservoirs within the Upper Mahaweli Catchment reservoir chain namely Kotmale , Victoria and Rantambe (Senadeera, 2016). History The reservoir was constructed by starting the damming of the Mahaweli Ganga River under the Accelerated Mahaweli Development Project in 1982 to be used for hydroelectric power generation and irrigation (Manage & Piyasiri, 2015). Built closer to the old Minipe Anicut, the impounding of the reservoir was done in March 1986 (De S. Hewavisenthi, 1992). The project was financially supported by the Government of West Germany (Dissanayake, 2016). Dam and Reservoir The Randenigala Dam which is a rockfill dam with a central clay core is situated about 20 km downstream from the Victoria Dam (De S. Hewavisenthi, 1992). The dam has a length of 485 m and a height of 94 m (…
