Dam data table 　 Dam No.：597 　 Hayakawa Dam ［Gunma Pref.］ Dam Photo （Photo by: Takashi Yasukochi） 162600 Hiro-M 088261 Dam master 088260 Dam master 088255 Dam master Location (Latitude, Longitude) N 36°261' 05''，E 139°15' 49''   [Japanese Dam Finder] Purpose／Dam type A／E Height／Crest length／Dam volume 26m／241.8m／294 thousand m3 Catchment area／Water surface area 2.9km2／10ha Reservoir capacity 1200 thousand m3 FY project started／completed ／1940 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.