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Number 1 Shimbun

Collections: Water Control

 

No1-2017-6Nos

8

Percentage of hydropower in total Japan power generation (2007)

650,000,000,000

 

Annual precipitation in Japan in m3

78,400,000,000

kWh of power generated by hydropower (2007)

186

Height in meters of Japan’s tallest dam: Kurobe Dam


367

Length in km of longest river in Japan: Shinano River


1,780

Altitude in meters of Japan’s highest dam: Oyachi Dam


13,900

Volume in 1000m3 of Japan’s biggest dam: Niu Dam

1994

Year that the last natural river in Japan without a dam had dam construction begin: Nagara River Estuary Dam


63

Years between Yanba Dam project proposal and start of work due to local opposition (1952-2015)

2001

Year that Nagano Governor Yasuo Tanaka stated moratorium on concrete dams due to “their heavy burden on the environment”

2,372

Largest total area in hectares of reservoir, Uryudoentei

660,000

Largest total capacity in 1000m3 of reservoir: Tokuyama Dam


305

Major dams built before end of Edo period

2,268

Major dams in operation prior to March, 2015

91

Dams scheduled for operation after March, 2015

Sources: Japan Dam Foundation, Japan Times,
Japan Water Agency, Environmental Justice Atlas,
Local Environmental Movements

 

Published in: June 2017

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