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Summary of Rogi dam

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Summary of Rogi dam



 Rogi dam is multipurpose dam supplying of maintenance (securing of agriculture water, maintenance of river environment), water supply water of normal function of flood control, running water.
 We started the dam body construction from 2009 and were completed in 2014.


(1) Flood control
  In plan rise of a river flow rate 130 (㎥/s) of dam point, we perform 94 (㎥/s) flood control and perform reduction, prevention of flood damage of Kawauramachirogi, Amakusa-shi district.
(2) Maintenance of normal function of running water
  We stably supply water from dam to the downstream river to maintain supply and river environment of agriculture water of dam shitaryuenkawa.
(3) Water supply water
  As water supply water of Kawaura, Amakusa-shi area and Ushibuka area, we supply up to 4,600 (㎥/ day).

Specifications of dam

(1) Specifications
Specifications of damWater system nameRogi RiverReservoir specificationsCatchment area (㎢)6.8
River nameRogi RiverFlooding area (㎢)0.14
PositionKawauracho, Amakusa-shiTotal storing water capacity (㎥)2,290,000
ModelGravity-type concrete damValid storing water capacity (㎥)2,080,000
The amount of bank (m)53.0Flood control capacity (㎥)1,160,000
Mayor of bank top (m)169.0Irrigation capacity (㎥)920,000
(maintenance 320,000 of normal function of running water)
(water supply 600,000)
Bank volume (㎥)85,000taisayoryo (㎥)210,000



(2) Figure of figure of storing water capacity curve, distribution
 30% of figures of capacity distribution


Structure of dam

(1) Ground plan
 30% of ground plans

(2) Front elevation (the upper classes side)
 30% of front elevation

(3) Cross section
30% of cross sections


■Amakusa airline in the case of the use

 It is about 50 minutes by rent-a-car and taxi from Amakusa Airport


■Car in the case of the use

 It is about 2 hours 40 minutes from the Kumamoto city   

 From Matsubase I.C        About two hours ten minutes

 It is about 40 minutes from Amakusa-shi government office



We relate to this page

Amakusa Area Administrative Headquarters Department of Civil Engineering engineering works Lesson 2
3530, Imagamashinmachi, Amakusa-shi
Telephone: 0969-22-4648
Fax: 0969-23-0305
Email [email protected]
(ID: 26625)
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Kumamoto prefectural government office   〒 862-8570  6-18-1, Suizenji, Chuo-ku, Kumamoto-shi, Kumamoto Tel: 096-383-1111 (main)
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