Kala Wewa, built by the King Datusena in 460 CE, is a reservoir complex consisting of two reservoirs, Kala Wewa and Balalu Wewa. It has the capacity to store 123 million cubic meters of water. This reservoir complex has facilitated with a stone made spillway and three main sluices. From the central major sluice, a 40 feet wide central conveys water to feed tho…
Kala Wewa, built by the King Datusena in 460 CE, is a reservoir complex consisting of two reservoirs, Kala Wewa and Balalu Wewa. It has the capacity to store 123 million cubic meters of water. This reservoir complex has facilitated with a stone made spillway and three main sluices. From the central major sluice, a 40 feet wide central conveys water to feed thousands of acres of paddy lands and ends at the historical capital Anuradhapura city tank Tissa Wewa meandering over 87 km at a slope of 6 inches per mile and is another wonder of primeval hydraulic engineering facility in ancient Ceylon.
Location: Anuradhapura District, Sri Lanka
Primary outflows: Transferred water to Thisa Wewa via Jaya Ganga
Basin countries: Sri Lanka
Surface area: 7 square miles (18.1 km²) at full capacity
Water volume: 123 million cubic meters (4 billion cubic feet)
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