Kala Wewa: A Historic Reservoir in Sri Lanka-by Kalani-eLanka Kala Wewa is one of the most significant ancient reservoirs in Sri Lanka, renowned for its historical, agricultural, and ecological importance. Built in the 5th century by King Dhatusena of Anuradhapura, this vast irrigation tank continues to play a crucial role in the country’s water management system. Historical Significance Kala Wewa was constructed around 460 AD during the reign of King Dhatusena, one of the greatest rulers of ancient Sri Lanka. It was designed as a massive reservoir to provide water for agricultural purposes, ensuring food security and prosperity for the Anuradhapura Kingdom. The reservoir is also linked to the Yodha Ela (Jaya Ganga), an impressive canal system that channels water from Kala Wewa to the ancient city of Anuradhapura, demonstrating the advanced engineering skills of ancient Sri Lankan civilization. Architectural and Engineering Marvel Covering an area of approximately 18 square ...