Department of Water Resources and Irrigation (Nepali: जलस्रोत तथा सिंचाइ विभाग) under Ministry of Energy, Water Resources and Irrigation is the authority to plan, develop, maintain, operate, manage and monitor different Irrigation Projects.
[1] It also works under the sector of Water Induced Disaster Management.
[2] Being a sector of paramount importance, the department accounts for a significant amount of National budget.
[3] Department of Irrigation was established in 2009 BS which later merged with Department of Water Induced Disaster Management in 2074[4] to form Department of Water Resources and Irrigation.
[5] The department and its branch offices are run by officers of Nepal Engineering Service (Civil/Irrigation).