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General Information

Beginning of works: 1973
Completion: 1997
Status: in use

Project Type

Location

Location: , ,
Impounds:
  • Saru
Coordinates: 42° 37' 45.44" N    142° 8' 54.39" E
Show coordinates on a map

Technical Information

Dimensions

height 32 m
retained water volume 31 500 000 m³
crest length 550 m
dam volume 276 000 m³

Excerpt from Wikipedia

Nibutani Dam (二風谷ダム, Nibutani-damu) is a dam on the Saru River in Hokkaidō, Japan, which stands at Nibutani in Biratori town, Saru District. Work on the dam began in 1990. It was completed in March 1997, despite objections from the local Ainu people.

Controversy

The building of the dam pit the Japanese government versus local Ainu. In a legal case filed by two Ainu landowners, Tadashi Kaizawa and Shigeru Kayano, the farmers claimed the government had illegally seized their land in February 1989. The expropriation of land for dam violated their rights as Ainu for the protection of their cultural heritage as the fact that the dam construction would destroy sacred sites and ritual grounds had not been adequately considered in the forced taking of their lands.

In a landmark decision by the Sapporo District Court, Chief Judge Kazuo Ichimiya stated that the Ainu people had established a unique culture in Hokkaido before the arrival of the Japanese and therefore had rights that should have given consideration under Article 13 of Japan's Constitution, which protects the rights of the individual, and in the International Covenant on Civil and Political Rights. The Japanese government until this point had refused to acknowledge the Ainu as indigenous people. Since the dam was already complete, the 3-judge panel did not nullify the land seizure. However, the decision included extensive fact-finding that underscored the long history of the oppression of the Ainu people by Japan's ethnic majority, referred to as "Wajin" in the case and discussions about the case.

Text imported from Wikipedia article "Nibutani Dam" and modified on 23 July 2019 under the CC-BY-SA 3.0 license.

Participants

Currently there is no information available about persons or companies having participated in this project.

Relevant Web Sites

  • About this
    data sheet
  • Structure-ID
    20023895
  • Published on:
    18/10/2006
  • Last updated on:
    09/12/2015
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