[Back] 　[Dams in Japan] Dam table ［I］ Name of dam Prefecture Dam type Purpose Height FY Completed Iburikawa Dam Kochi G FNW 30.5 2005 Ichifusa Dam Kumamoto G FNP 78.5 1959 Ichihata Tameike Hiroshima E A 18.5 1969 Ichihosawa Dam Hokkaido E A 17.4 1927 Ichijogi Dam Akita E A 18.5 1938 Ichiki Dam Kagoshima R F 41.0 1981 Ichinoide Dam Yamaguchi E W 21.0 1927 Ichinokayagawa Shusui Dam Gunma G FNW 25.0 1992 Ichinoki Dam Nara G A 38.4 1995 Ichinosaka Dam Yamaguchi G FN 42.1 1983 Ichinosawa Dam Hokkaido G P 20.3 1926 Ichinosawa Dam Yamagata R A 26.5 1998 Ichinosawa-zeki Chiba E A 19.0 1951 Ichinoshinden Dam Niigata R A 26.7 2019 Ichinotani-ike Okayama E A 24.7 1921 Ichinotani-ike Yamaguchi E A 15.0 1954 Ichinowatari Dam Aomori G P 15.6 1931 Ideguchigawa Dam Saga G FNW 43.7 2012 Iida Dam Ibaraki G FNW 33.0 1991 Iidegawa No.1 Dam Niigata G P 36.9 1915 Iidegawa No.1 Dam (Re) Niigata G P 39.8 2001 Iino Tameike Gifu E A 23.0 1959 Iinoyama Dam Hiroshima E P 18.5 1932 Iizume Dam Aomori E FNW 38.0 1973 Ijira Tameike Gifu E A 18.0 1966 Ikadazu Dam Kochi G P 25.5 1958 Ikari Dam Tochigi G FNP 112.0 1956 Ikata Choseichi Ehime G AW 29.1 1989 Ikawa Dam Shizuoka HG P 103.6 1957 Ikeda Dam Tokushima G FNAWIP 24.0 1974 Ikeda Dam (Pre) Nagasaki E W 25.0 1952 Ikeda Dam (Re) Nagasaki E W 25.0 1986 Ikehara Dam Nara A P 111.0 1964 Ikenotani Tameike Tottori E A 16.0 1923 Ikenotani-ike Ehime E A 16.0 1913 Ikenoue No.1Tameike Nagasaki E A 15.0 1927 Iketsugawa Shusui Dam Nara G NP 16.8 1956 Ikimigawa Dam Yamaguchi G FNIP 90.0 1984 Ikiriki Dam Nagasaki G FNW 41.7 2007 Ikisa Dam Saga G FNW 58.5 1979 Ikitsuki Daiichi-ike Nagasaki E A 17.5 1920 Ikkatai Dam Iwate R A 40.0 1990 Ikumo Dam Yamaguchi G P 17.5 1953 Ikuno Dam Hyogo G FNWI 56.5 1972 Ikusaka Dam Nagano G P 19.5 1964 Imago-ike Shiga E A 18.4 1964 Imaichi Dam Tochigi G P 75.5 1988 Imatomi Dam Yamaguchi G FN 35.5 1978 Imawatari Dam Gifu G P 34.3 1939 Imoaraidani Dam Miyazaki GA P 25.5 1930 Inaba Dam Oita G FN 56.0 2010 Inabe-ohike Mie E A 15.0 1940 Inada Dam Hokkaido E A 17.6 1979 Inagawa Dam Nagano G P 43.0 1977 Inakura-ike Osaka R AW 32.2 1957 Inamura Dam Kochi R P 88.0 1982 Inekoki Dam Nagano A P 60.0 1968 Innai Kochi Seiri-ike Nagano E A 15.4 1922 Ino Dam Fukuoka G FNW 79.9 2000 Inohana Dam Hyogo G W 27.9 1933 Inohana No.2 Dam Hyogo G W 41.5 1978 Inugami Dam Fukushima E A 32.4 1971 Inukamigawa Dam Shiga G AP 45.0 1946 Inuki Tameike Nagasaki E A 15.0 1924 Inunaki Dam Fukuoka G FNWI 76.5 1994 Inuzuka-ike Ehime E A 18.5 1938 Io Dam Ishikawa R FA 58.8 2001 Iokigawa Dam Kochi G P 22.8 1954 Ippaimori Tameike Fukushima E A 22.0 1960 Ippodani-ike Okayama E A 20.4 1899 Irahara Dam Fukuoka G FNW 81.3 2017 Irie Dam Hyogo G P 23.4 1958 Irihata Dam Iwate G FNWIP 80.0 1990 Iriyama Dam Fukushima E A 18.0 1957 Iruka-ike (Re) Aichi E FA 25.7 1991 Isaka Dam Mie E I 34.5 1966 Isanoura Dam Nagasaki G A 29.7 1986 Isawa Dam (Re) Iwate R FNAWP 127.0 2013 Iseki-ike Kagawa E A 16.0 1982 IsenchubuDam Kagoshima E AW 29.0 1987 Ishiba Dam Oita R A 47.0 1973 Ishibane Dam Iwate GF P 20.5 1953 Ishidagawa Dam Shiga R FN 43.5 1969 Ishigami-ike Kagawa E A 21.0 1963 Ishigochi-ike Oita E A 23.8 1965 Ishii Dam Hyogo G FR 66.2 2008 Ishii Dam Yamaguchi E AW 36.3 1992 Ishikawauchi Dam Miyazaki G P 47.5 2007 Ishiki Dam Nagasaki G FNW 55.4 Ishitegawa Dam Ehime G FAW 87.0 1972 Ishiuchi Dam Kumamoto G FNW 38.5 1992 Ishiyama Dam Oita R A 41.0 1981 Itado Dam Akita G NP 28.7 1983 Itaki Tameike Hiroshima E A 33.0 1983 Itamuro Dam Tochigi G P 16.8 1973 Itani Tameike Tottori E A 23.0 1911 Itoshiro Dam Fukui GA P 32.0 1968 Itsuwa Dam Kumamoto R A 37.1 1985 Itsuwatobu Dam Kumamoto R AW 33.3 2002 Iwachishi Dam Hokkaido G P 33.0 1958 Iwafune Dam Niigata G P 30.2 1961 Iwagami Dam Akita E A 23.3 1969 Iwaidani Dam Toyama G P 16.2 1960 Iwaigawa Dam Nara G FN 55.0 2008 Iwakura Dam Nagano G P 25.0 1936 Iwakura-ike Tokushima E A 18.3 1932 Iwakura-ike Kochi E A 22.0 1967 Iwamatsu Dam Hokkaido G P 37.2 1941 Iwami Dam Akita G FNP 66.5 1978 Iwamura Dam Hokkaido E A 17.0 1973 Iwamura Dam Gifu G FNW 35.8 1997 Iwaonai Dam Hokkaido G FAWIP 58.0 1970 Iwasaka Dam Ishikawa E FA 31.7 1984 Iwasaki Nojo Tameike Iwate E A 24.2 1938 Iwase Dam Miyazaki G FP 55.5 1967 Iwase Dam (Re) Miyazaki G FP 55.5 Iwase-ike Kagawa E A 17.6 1967 Iwashimizu Dam Hokkaido G P 30.0 1959 Iwaya Dam Gifu R FAWIP 127.5 1976 Iwayagawauchi Dam Saga G FN 59.5 1973 Iwayato Dam Miyazaki G P 57.5 1941 Izarigawa Dam Hokkaido R FNW 45.5 1980 Izumidani-ike Okayama E A 15.2 1915 Izumikawa Dam Fukushima E A 17.5 1949 Notes: 1. Dam purposes are abbreviated as follows: A: Agricultural irrigation   F: Flood control   I: Water supply for industry   N: Non-specified, river flow maintenance P: Hydropower   R: Recreation   S: Snow melting &removing   W: Water supply 2. Dam types are abbreviated as follows: A: Arch   B: Buttress   CSG: Trapezoidal CSG   E: Earthfill   FA: Asphalt face fill   FC: Asphalt core fill   G: Gravity GF: Gravity concrete & fill dam (compound)   HG: Hollow gravity   MA: Multi-arch   R: Rockfill 3. The fiscal year (FY) in Japan is from April 1 to March 31 of the following year. [Back] 　[Dams in Japan]