The Maha Oya (Sinhala: මහ ඔය, lit.'Great River') is a major watercourse in the Sabaragamuwa Province of Sri Lanka. It measures approximately 134 km (83 mi) in length.[1] It runs across four provinces and five districts. The Maha Oya has 14 water supply networks to serve the need of water and more than 1 million people live by the river.[2]
Its catchment area receives approximately 3,644 million cubic metres of rain per year, and approximately 34 percent of the water reaches the sea. It has a catchment area of 1,510 square kilometres.[3]
^Yassin Mohammed, Essam (2013). Economic Incentives for Marine and Coastal Conservation: Prospects, Challenges and Policy Implications. Routledge. p. 296. ISBN978-1-135-00663-1.
