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History

Nov. 1961 Water Resources Development Promotion Law promulgated and implemented
Water Resources Development Public Corporation (WARDEC) Law promulgated
(implemented in Feb. 1962)
Apr. 1962 Tone and Yodo River Systems designated for water resources development based on the Water Resources Development Promotion Law
May. WARDEC established
Aug. Tone River System Water Resources Development Basic Plan developed
Yodo River System Water Resources Development Basic Plan developed
Oct. Comprehensive National Development Plan approved by the Cabinet
Oct. 1964 Chikugo River System designated for water resources development based on the Water Resources development Promotion Law
June 1965 Kiso River System designated for water resources development based on the Water Resources Development Promotion Law
Feb. 1966 Chikugo River System Water Resources Development Basic Plan developed
Nov. Yoshino River System designated for water resources development based on the Water Resources Development Promotion Law
Mar. 1967 Yoshino River System Water Resources Development Basic Plan developed
Oct. 1968 Aichi Canal Public Corporation incorporated into WARDEC
Kiso River System Water Resources Development Basic Plan developed
May 1969 New Comprehensive National Development Plan approved by the Cabinet
Dec. 1974 Ara River System designated for water resources development based on the Water Resources development Promotion Law
Apr. 1976 Tone and Ara River System Water Resources Development Basic Plan developed
Nov. 1977 Third Comprehensive National Development Plan approved by the Cabinet
June 1987 Fourth Comprehensive National Development Plan approved by the Cabinet
Oct. National land Agency developed National Comprehensive Water Resources Plan (Water Plan 2000).
Feb. 1990 Toyo River system designated for water resources development based on the Water Resources development Promotion Law
May Toyo River System Water Resources Development Basic Plan developed
Mar. 1998 Grand Design for National Development in the 21st Century (Fifth Comprehensive National Development Plan) approved by the Cabinet
June 1999 National land Agency developed National Comprehensive eater Resources Plan (Water Plan 21).
Dec. 2001 Public corporations consolidation plan approved by the Cabinet
Dec. 2002 Japan Water Agency Law promulgated and implemented
Oct. 2003 Japan Water Agency established
Oct. 2003 Japan Water Agency Law Enforcement Ordinance promulgated and implemented
Oct. 2003 1st Mid-Term Objective instructed by MLIT
Oct. 2003 1st Mid-Term Plan made
Oct. 2003 Work Procedures of Japan Water Agency enacted
Dec. 2003 Tokura Dam construction stop policy made
Jun. 2004 Basic Plan for Kiso River System Water Resources Development totally altered.
Mar. 2005 Boso Canal construction completed
Mar. 2005 Aichi Canal Stage II (Canal Facilities) construction completed
Apr. 2005 Basic Plan for Chikugo River System Water Resources Development totally altered
Apr. 2005 Ryochiku-heiya Canal Stage II construction projected under JWA
Feb. 2006 Basic Plan for Toyo River System Water Resources Development totally altered
Mar. 2006 Kagawa Canal Emergency Reconstruction (joint facility) completed
Mar. 2007 Aichi Canal Stage II (related to Makio Dam) construction completed
Jan. 2008 Toyogawa Canal Stage II (Large-scale earthquake measures, Asbestos pipe removal measures) projected under JWA
Feb. 2008 2nd Mid-Term Objective instructed from MLIT
Mar. 2008 2nd Mid-Term Plan made
Mar. 2008 Tokuyama Dam construction completed
Jun. 2008 Basic Plan for Toyo River System Water Resources Development partially revised.
Jun. 2008 Basic Plan for Kiso River System Water Resources Development partially revised.
Jun. 2008 Kiso River System Link Canal projected under JWA
Jun. 2008 Kiso River System Link Canal projected under JWA
Jun. 2008 Basic Plans for Tone and Ara River Systems Water Resources Development totally altered
Mar. 2009 Basid Plans for Tone and Ara River Systems Water Resources Development partially altered.
Mar. 2009 Basic Plan for Kiso River System Water Resources Development partially revised
Mar. 2009 Kiso River Right Bank Facilities Emergency Reconstruction Project projected under JWA
Mar. 2009 Emergency reconstruction of Inbanuma Development completed.
Mar. 2009 Emergency reconstruction of Kagawa Canal Facilities (facilities exclusive to domestic water) completed.
Mar. 2010 Emergency reconstruction of Gunma Canal facilities completed.
Mar. 2011 Takizawa Dam construction completed
Feb. 2013 Basic Plan for Chikugo River System Water Resources Development partially altered
Feb. 2013 Fukuoka Canal, Oyama Dam construction completed.
Mar. 2013 3rd Mid-Term Plan Objective instructed from MLIT
Mar. 2013 3rd Mid-Term Plan made
Aug. 2014 Basic Plans for Tone and Ara Rivers Water Resources Development partially altered
Dec. 2014 Emergency reconstruction of both Gunma Canal and Boso Canal projected under JWA
Feb. 2015 Large scale Earthquake Measures for Tone Canal projected under JWA
Mar. 2015 Kiso River Right Bank Facilities Emergency Reconstruction completed

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