Dam data table 　 Dam No.：3345 　 No.2 Okuyatsu Dam ［Chiba Pref.］ Dam Photo （Photo by: Yokohama Shimin Z） 041735 Yokohama Shimin Z 118912 Takashi Yasukochi 118914 Takashi Yasukochi 118915 Takashi Yasukochi Location (Latitude, Longitude) N 35°91' 44''，E 140°11' 28''   [Japanese Dam Finder] Purpose／Dam type W／G Height／Crest length／Dam volume 22.7m／52.5m／8 thousand m3 Catchment area／Water surface area 0.6km2／2ha Reservoir capacity 92 thousand m3 FY project started／completed 1987／1989 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.