“Mission” Irrigation department will facilitate sustainable management and improve the land and water resources for food, livelihoods and environment under the frame work of government polices. “Vision" Enhance the development and management of land and water resources towards the socio-economic development of Sri Lanka. Irrigation Department will plan out. Design, control and manage land and water resources to derive optimum benefits for Irrigated agriculture, Hydro power and Flood control by harmonizing the modern technologies and human resources.