Duties and Responsibilities

            Regional Irrigation Office 4 shall have the duties as follows:

           (1)  implementation of water management for agriculture, domestic consumption, industry, water transportation, energy, and ecosystem conservation

           (2) Control and construction of small and medium scale irrigation projects, royal projects and other projects as assigned by the Department

           (3)  Planning, control, and evaluation of water management

           (4) Operation, maintenance and rehabilitation of irrigation structures; dam safety and appurtenant structures

           (5) Encouragement of farmer participation in water resources management; strengthening of water user organization

           (6) Prevention of damage caused by water

           (7) Studies and preparation of preliminary report; survey and design for irrigation project and other projects in the river basin area as assigned by the Department

           (8) Controls and supervision of state property land use as responsibility of the Department, irrigation waterway, and asset management of the Department

           (9) Integration of plans and strategies in cooperation with provincial agencies and other related government agencies

         (10) Consulting in operation and maintenance of irrigation structures and transferred tasks

         (11) Cooperation with or supporting the operation of other offices and divisions as assigned by the Department

  

Responsible area under Regional Irrigation Office 4

             Regional Irrigation Office 4 has responsible areas in 4 provinces e.g. Phrae, Sukhothai, Tak and Kamphaeng Phet, covering an area of 23,843,016 rai.(31,148 Km.2), storage capacity of 401.98 MCM. and agricultural area of 7,180,530 rai.(11,488 Km.2) There are 7 irrigation projects under its responsibility, with an irrigated area of 1,986,249 rai.(3,178 Km.2) or 27.66% of agricultural area,as the following details:

               - Kamphaeng Phet province has a large scale project, 11 medium scale irrigation  projects, 51 electric pumping stations, with storage capacity of 39.9 MCM. and an irrigated area of 1,119,281 rai.(1,790 Km.2) Besides, it has small scale irrigation projects, royal initiative projects and other projects, totaling 534 projects. It can help an area of 320,000 rai.(512 Km.2)

               - Sukhothai province has a large scale project, 14 medium scale irrigation projects, 45

electric pumping stations, with storage capacity of 228.85 MCM. and an irrigated area of 436,110 rai. (697 Km.2) Besides, it has small scale irrigation projects, royal initiative projects and other projects, totaling 573 projects. It can help an area of 339,300 rai.(542 Km.2

               - Tak province helps cultivated area at Ping River Basin, comprising 5 medium scale irrigation projects, 15 electric pumping stations, with storage capacity of 11.30 MCM. and an irrigated area of 403,000 rai.(644 Km.2)  as well as small scale irrigation projects, royal initiative projects and other project, totaling 379 projects. It can help an area of 230,000 rai.(368 Km.2)                 

               - Phrae province has a large scale project, 7 medium scale irrigation projects, 40 electric pumping stations, with storage capacity of 121.93 MCM. and an irrigated area of 335,670 rai.(537 Km.2), as well as small scale irrigation projects, royal initiatives projects and others, totaling 365 projects. It can help an area of 220,000 rai.(352 Km.2)