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Irrigation Department


The Irrigation Department is a “A class” Government Department formed in 110years ago, subject to the control and direction of the Minister in charge of the subject of Irrigation.  The Ministry   which the Irrigation Department is assigned exercises the control and direction on behalf of the Minister. The Irrigation Department Implements the policies and programmes of the Ministry, as the principal government organization responsible for the regulation and control of Inland waters.

Objectives of the Irrigation Department

  • Development of land and water resources for Irrigated Agriculture, hydropower, flood control, Domestic Usage, Industrial usage and Aquaculture development.
  • Provision of Irrigation and Drainage facilities for cultivable lands in Irrigation and Drainage Projects.
  • Alleviation of poverty of the rural farming community by increasing their farm income and raising their standard of living.
  • Management of Water for sustainable Agriculture.
  • Productivity enhancement of Land and water in Major/Medium Irrigation Schemes.
  • Integrated water resources Management and Participatory Management in Major /Medium Irrigation systems.

Functions of the Irrigation Department

  • Preparation of Master plan for development of the different river basins for the optimum utilization of land and water resources.
  • Project formulation and detail designs of Irrigation, Hydro-power, Flood control and Reclamation Projects.
  • Construction of Irrigation and Settlement Projects for the conservation, diversion and distribution of water under gravity and lift Irrigation to new and existing lands for cultivation by farmers for food crop production.
  • Construction of Drainage, flood protection and salt water exclusion projects for the protection of cultivable land to enable the cultivation of such lands with rainfall for food crop production with minimized risk.
  • Operation, Maintenance, Improvements, Rehabilitation and Water Management for Medium and Major Gravity, Drainage and Lift Irrigation Projects.
  • Research in Hydraulics, Hydrology, Soil Mechanics, Engineering Geology, Geographic information System (GIS), Engineering Materials and Land Use as applied to water Resources Development Projects.
  • Human Resources Development for optimum utilization of Human Resources.
  • Operation and Maintenance of Financial Management system, Accounting, Reporting, Auditing systems of Irrigation Department in accordance with the financial Regulation of the Government of Sri Lanka.

Providing Consultancy Services to government department, Statutory Boards/Corporation, public and private institutions and individuals; in the fields of Water Resources Development; Foundation Engineering; Quality Control of Earth work and Concrete; Hydraulic Model Testing and Land Use Planning.

For further information contact :

Irrigation Depatment,
230, Bauddhaloka Mawatha,
Colombo 07,
Sri Lanka.
Telephone +94-11-2584984

Fax +94-11-2505890

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Web http://www.irrigation.gov.lk