No.2 Okuyatsu Dam is a gravity dam located in Chiba Prefecture in Japan.

The catchment area of the dam is 0.6 km2.

The dam impounds about 2 ha of land when full and can store 92 thousand cubic meters of water.

The construction of the dam was started on 1987 and completed in 1989.

This article about a dam or floodgate in Kantō region of Honshu, Japan is a stub.