| Department of Water Resource and Irrigation | |
| Native Name: | जलस्रोत तथा सिंचाइ विभाग |
| Type: | Department |
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| Jurisdiction: | Government of Nepal |
| Headquarters: | Jawalakhel, Lalitpur, Nepal |
| Budget: | Nrs. 32.47 Billion (FY 2081/82) |
| Minister1 Name: | Sanjeeb Baral |
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| Parent Department: | Ministry of Energy, Water Resources and Irrigation |
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| Agency Type: | Irrigation development and mentinance |
| Status: | Active |
| Minister Type: | Director General |
Department of Water Resources and Irrigation 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).[6]
The department has 52 irrigation management offices and project offices along with a few Mechanical Offices and Embankment Offices at central level. Bheri Babai Diversion Multipurpose Project and a few other projects also run under the department.[7]