[Back] 　[Dams in Japan] Dam table ［R］ Name of dam Prefecture Dam type Purpose Height FY Completed Raizan Oh-tameike Fukuoka E A 25.0 1944 Rentaki Dam Iwate G F 37.7 1968 Rikimaru Dam Fukuoka G FWI 49.5 1965 Rogi Dam Kumamoto G FNW 53.0 2013 Rokkamura Dam Akita E A 17.6 1952 Rokujo Tameike Nagasaki E A 22.0 1916 Rokuronuma Dam Fukushima E A 15.0 1961 Rumoi Dam Hokkaido R FNW 41.2 2009 Ryorigawa Dam Iwate G FNW 43.0 2000 Ryugahana Dam Fukui G FNWP 79.5 1988 Ryuga-ike Yamanashi E A 17.0 1956 Ryui Dam Fukushima G FA 32.5 1961 Ryujin Dam Ibaraki G FNWI 45.0 1978 Ryumon Dam Kumamoto GF FNAI 99.5 2001 Ryumon Dam Saga G FNW 42.2 1975 Ryuoh-ike Kochi E A 17.5 1925 Ryusenji Dam Hiroshima G AW 35.0 1965 Ryutakuji-ike Ehime E A 27.3 1955 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]