Senanayake Samudraya
Sri Lanka
Senanayake Samudraya (Sinhala: සේනානායක සමුද්රය) is the largest reservoir in Sri Lanka. Locally known as "the sea" (Sinhala: සමුද්රය, samudraya), the reservoir was opened on 28 August 1949 under the Gal Oya Multipurpose Scheme, which was completed in 1953 by D. S. Senanayake.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).