- උමා ඔය බහුකාර්යය සංවර්ධන ව්යාපෘතිය
Uma Oya multi-purpose development project in Sri Lanka aims to alleviate water scarcity, irrigate 4500 hectares of land, and generate 290 GWh of electricity annually.
Uma Oya Introduction
Uma Oya diversion to Kirindioya Basin
Uma Oya Power House
Seal Replacement at Dyraaba Dam
Tail race outlet