Water Resources Office Region 4 
Their area of responsibility covers five provinces: Khon Kaen, Kalasin, Chaiyaphum, Maha Sarakham, and Roi Et.
Duties/Area of Responsibility
สำนักงานทรัพยากรน้ำที่ 4
Water Resource Office 4
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Water Resource Office 4
Water Resources Office Region 4 Their area of responsibility covers five provinces: Khon Kaen, Kalasin, Chaiyaphum, Maha Sarakham, and Roi Et.
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