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IWM Experiment Station
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IWM experiment Station 1 (Mae Tang)
IWM experiment Station 2 (Pitsanulok)
IWM experiment Station 3 (Huay Ban Yang)
IWM experiment Station 4 (Samchook)
IWM experiment Station 5 (Mae Klong Yai)
IWM experiment Station 6 (Petchaburi)
IWM experiment Station 7 (Pattani)
IWM experiment Station 8 (Nakhon-)
IWM Mae Klong Demonstration Center
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Hydrology and Water management Office
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Improvement and Maintenance Division
Water Management Division
Irrigation Water management Division
Dam Safty Division
Administration Support Branch
RID Water Monitoring Analysis center
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Royal irrigation Department (Center)
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Office of the Secretary
Finance and Accounting Division
Laes and Lands Division
Budget Programming Division
Procurement and Supply Division
Information Technology Center
Office of Mechanical Engineering
Office of Project Management
Office of Organization and Personal Development
Office of Research and Development
Office of Engineering Topographical and Geotechnical Survey
Office of Engineering and Architecture Design
Office of Large Scale Projects
Office of Central Land Consolidation
Public Sector Development Division
Internal Auditing Division
Special Affairs Division
Irrigation Development Institution
Office of Public Participatory Promotion
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RID (Regional Irrigation Office)
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RIO 1 Chiang Mai Province
RIO 2 Lampang Province
RIO 3 Pitsanulok Province
RIO 4 Kamphaeng Phet Province
RIO 5 Udon Thani Province
RIO 6 Khon Kaen Province
RIO 7 Ubon Ratchathani Province
RIO 8 Nakhon Ratchasima Province
RIO 9 Chon Buri Province
RIO 10 Lop Buri Province
RIO 11 Nonthaburi Province
RIO 12 Chai Nat Province
RIO 13 Kanchanaburi Province
RIO 14 Prachup Khiri Khan Province
RIO 15 Nakhon Si Thammarat Province
RIO 16 Phatthalung Province
RIO 17 Yala Province
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Government Agencies
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Cooperative Auditing Department
Department of Fisheries
Department of Livestock Development
Royal Forest Department
Land Development Department
Department of Agriculture
Department of Agriculture Extension
The Comptroller General's Department
Department of Water Resource
Started 1 October
2009