Uttarakhand Irrigation is mainly involved in formulation, construction and maintenance of hydro electric projects in Ganga and Yamuna valley, known as multipurpose and hydroelectric organisation of erstwhile U. P. Irrigation Department . A few years before creation of new State of Uttarakhand, maintenance and construction of Irrigation system and flood protection and anti erosion works of rivers in hilly region was added to it. These units look after of rivers and riverbeds in the hilly trek also.

After creation of Uttarakhand State, the following organisations/institutions, being located in the geographical boundaries of the new state became the wings of this department :

• Irrigation Design Organization and Irrigation Research Institute at Roorkee has boast of unmatched personnel to carry out the research and developmental studies for the hydroelectric and water resources projects.

• To train the newly appointed assistant engineers and junior engineers and inservice engineers according to the need of the Department, Uttarakhand Irrigation has reputed State Engineers Academy at Kalagarh. To cater the hydro mechanical requirements of hydroelectric projects, the department has 160 year old Govt. Irrigation Workshop at Roorkee.