Dam data table 　 Dam No.：551 　 Iida Dam ［Ibaraki Pref.］ Dam Photo （Photo by: Ike-chan） 077298 Ike-chan 144120 Dam master 165219 Jiro Yanagi 165236 Jiro Yanagi Location (Latitude, Longitude) N 36°251' 28''，E 140°16' 47''   [Japanese Dam Finder] Purpose／Dam type FNW／G Height／Crest length／Dam volume 33m／219.5m／72 thousand m3 Catchment area／Water surface area 20.8km2／28ha Reservoir capacity 2440 thousand m3 FY project started／completed 1974／1991 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.