Dam data table 　 Dam No.：498 　 Ryui Dam ［Fukushima Pref.］ Dam Photo （Photo by: Dai） 194037 Hajime Tanaka 193567 Jiro Yanagi 136057 Rui Abe 194039 Hajime Tanaka Location (Latitude, Longitude) N 37°171' 10''，E 140°8' 15''   [Japanese Dam Finder] Purpose／Dam type FA／G Height／Crest length／Dam volume 32.5m／138.3m／31 thousand m3 Catchment area／Water surface area 9km2／11ha Reservoir capacity 939 thousand m3 FY project started／completed ／1961 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.