The completion ceremony of the construction of the Koishiwara-gawa Dam was held.

投稿日:2021年3月28日 更新日:

The construction of the Koishiwara-gawa Dam located in Asakura City, the southern region of Fukuoka Prefecture, was completed, and I attended the completion ceremony which was held on March 28. The field survey to construct the Dam started around 1980, and it took more than 40 years to complete the Dam. This project aimed to effectively utilize precious water resources by constructing the Koishiwara-gawa Dam in the upper stream of the existing Egawa Dam in the Koishiwara River, and building a headrace tunnel from the Sada River (which already had the Terauchi Dam) to the Koishiwara River (Egawa Dam reservoir). The three Dams are now called ‘Asakura three Dams’ as a package system which performs the functions of water utilization, flood control and soil erosion control.

All the people involved in the construction of the Koishiwara-gawa Dam have experienced many difficulties. They coordinated with the residents, taking necessary measures for their losses of houses, buildings and lands that would submerge in the area to construct the Dam, and they also tackled complicated environmental assessment. In 2009 (Heisei 21), the construction of the Dam was suspended by the decision of the new government led by the Democratic Party of Japan. In 2017 (Heisei 29), the construction site was damaged by the record torrential rains which hit northern Kyushu. Their desperate efforts have made possible today’s completion of the construction of the Koishiwara-gawa Dam.

I have been involved in the construction of the Koishiwara-gawa Dam since I was elected a member of the House of Representatives in the fifth electoral district in Fukuoka Prefecture in 1996 (Heisei 8). In my speech at the ceremony, I briefly mentioned my involvement in acquiring the government budget for the construction of this dam. In particular, I expressed my hearty gratitude to those people who engaged in the relocation of the residents living in the area to be submerged due to the construction of the Dam. Messrs. Makoto Koga and Seiichi Ota, former long-experienced members of the House of Representatives, also shared their hardships in promoting the construction of the Koishiwara-gawa Dam.




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