Dam data table 　 Dam No.：2904 　 Kanna Dam ［Okinawa Pref.］ Dam Photo （Photo by: Takashi Yasukochi） 081851 Takashi Yasukochi 081850 Takashi Yasukochi 081861 Takashi Yasukochi 081855 Takashi Yasukochi 081854 Takashi Yasukochi 114588 KIYOTAKA 120066 Fukachan 081862 Takashi Yasukochi Location (Latitude, Longitude) N 26°281' 55''，E 127°56' 58''   [Japanese Dam Finder] Purpose／Dam type FNAW／G Height／Crest length／Dam volume 45m／185m／72 thousand m3 Catchment area／Water surface area 7.6km2／55ha Reservoir capacity 8200 thousand m3 FY project started／completed 1978／1993 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. Please send your comments Copyright 2012 JAPAN DAM FOUNDATION. All rights reserved.