Ebeotsu No.1 Dam (Japanese: 江部乙第１号ダム) is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 1.1 km. The dam impounds about 3 ha of land when full and can store 354 thousand cubic meters of water. The construction of the dam was started on 1972 and completed in 1977.