Dam data table 　 Dam No.：3117 　 Tsuboyama Dam ［Niigata Pref.］ Dam Photo （Photo by: Dam master） 100513 Dai 094125 Dam master 100510 Dai 100512 Dai Location (Latitude, Longitude) N 37°101' 21''，E 138°43' 24''   [Japanese Dam Finder] Purpose／Dam type FA／E Height／Crest length／Dam volume 20.5m／94m／66 thousand m3 Catchment area／Water surface area 2km2／2ha Reservoir capacity 216 thousand m3 FY project started／completed 1987／1997 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.