Dam data table 　 Dam No.：617 　 Nakagi Dam ［Gunma Pref.］ Dam Photo （Photo by: Dam master） 138358 s_wind 041436 Fumufumu 103204 kanayama 138362 s_wind Location (Latitude, Longitude) N 36°191' 07''，E 138°44' 43''   [Japanese Dam Finder] Purpose／Dam type W／G Height／Crest length／Dam volume 41m／148.1m／61 thousand m3 Catchment area／Water surface area 13.1km2／14ha Reservoir capacity 1600 thousand m3 FY project started／completed 1951／1959 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.