The dam was a tall and long embankment-type with a structural volume of and crest width of . About to the south, there is an auxiliary dam with a height of about and length of approximately . The auxiliary dam helped the reservoir maintain it designed levels given the topography wouldn't allow the single main dam to do so. The dam sat at the head of a drainage area and its reservoir had a capacity of . The reservoir had a surface area of . The dam was built by Shoji Kensetsu and operated by Ebana River Coastal Reclamation District.
