1. Regulation and Control of every type of Irrigation Arrangement (Including Minor irrigation)
2. Research Investigation, design, Planning and Construction.
3. 3. Flow and Lift Irrigation.
4. 4. Water Conservation.
5. 5. Realization of Construction Cost and Management of following Schemes including their structures, maintenance and Administrative Control.
   1. Tenughat Project
   2. Gatalsud Dam
6. Land Acquisition for Projects and Rehabilitation of displaced families.
7. Works related to flood control and water drainage.
8. Inland water ways (Including National Water Ways) their maintenance and conservation of purity of waterways.
9. Assessment, receipt and Account of Revenue.
10. Control of Jharkhand Hill Area Lift Irrigation Corporation.
11. General Co-ordination.
12. Control of every affairs and staff employed in Water Resources Department.
13. Construction, maintenance and administrative control of departmental Buildings.
14. Budget
    (a) State Plan.
    (b) Out Sourcing.