Dam data table 　 Dam No.：795 　 Ohyachi Dam ［Niigata Pref.］ Dam Photo （Photo by: Hajime Tanaka） 188725 Hajime Tanaka 182141 sagoH 162792 marc no hito 182145 sagoH Location (Latitude, Longitude) N 36°581' 02''，E 138°41' 38''   [Japanese Dam Finder] Purpose／Dam type A／E Height／Crest length／Dam volume 23.2m／1780m／494 thousand m3 Catchment area／Water surface area 17.4km2／19ha Reservoir capacity 1206 thousand m3 FY project started／completed 1975／1989 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.